This sort of thing is par for the course on eBay. Visit our web site or e-mail us for more information on spare part availability. hey man. The razor e300 upgrade kit motor details, please refer to this 13 inch gearless hub motor, it ... dc hub motor, gearless, tubeless tyre (10×4-6) 2. programable brushless dc motor controller 3. throttle with LED battery indicator 4. disc brake plate and caliper 5. electric bike braking levers . Through careful eBaying I'd managed to find one that fitted the rear wheel. I decided to press a 100A megafuse & fuse holder into service. I chose the TK100E08N1, rated at 214A & 80V. Each component should be placed and connected with other parts in specific manner. I got it in slow-mo up on Youtube. SORT OF. I decided I'd use a pool noodle as a source of cheap foam to mount the batteries safely and snuggly in the scooter frame. Rear Wheel Assembly for the Razor E300 (Versions 41+) $64.99. Modifying the heatsink and mounting hardware for parallel FET GOODNESS. Razor E300 36V Tuning, Li-ion 18650 battery power - YouTube It's never enough to just get one that. Privacy Policy The Battery Upgrade For Razor E300 Scooters. I picked up a used Razor 24v ATV with dead batteries and decided to upgrade to 36v using this kit and three new batteries. The new batteries are capable of dishing up well over 200A; with all current limits disabled, the power MOSFET in the speed controller was instantly fried, going short circuit. But I tryed to put a wire across the back of the board like some say to do . My curiosity is killing me. A bit of a twitch but no drive. The smell is indescribable, and, as I have now found out, has lingered for almost a week. I have a new razor ecosmart scooter that runs on 36v setup and 3 x 12v 7ah SLA batteries. We still aren't going fast enough. Related: razor e300 charger razor e300 electric scooter razor e300 battery upgrade razor e300 battery 9ah razor e300 upgrade e300 razor battery charger. Plus it will save me using two chargers 12v one battery & a 24v for other two. Image. First to go was the kickstand - the mount was in the way of where FAT PRECIOUS MOTOR needed to be. Part# W15156290015 Hovertrax X-Ray PC Boards (set of 2) $ 53.99. Check out the video for the full story. All Listings - Current page Auction Buy It Now Classified ads. ExpertPower 12v 9ah Sealed Lead Acid Battery with F2 Terminals (.250")/2 Pack. The 2 x 12V battery system allows the Razor E300 to remain conspicuous even at top speed. Razor E300 Battery Kit, also replaces Ground Force Drifter Models - High Rate. 4.2 out of 5 stars 234. Could be dodgy though, you don't want to put a drill bit through your coils.Hahah, it'd be fun to muck around with one of those carts. Part# W15156290003 Hovertrax Prizma / X-Ray Battery $ 55.99. We definitely got to burning. Learn more about finding a Razor E300 battery upgrade here. FREE Shipping. However, if you don’t want to go for it then, you choose the High Performance Upgrade for Your Razor E200/E200S/E300 Batteries for 28% Longer Run Time VICI High Performance Battery Pack. Add to cart. 10. started a topic almost 3 years ago Hi. Hi, i found an E300 very cheap. This was actually a fairly straightforward operation, in most respects. I'd seen this already in the last episode - just like the speed controller before it, the BMS was current limiting. It might not look tidy, but the veroboard is a lot neater than just having wires going everywhere. Quick Q I need to by pass my E200/300 controller I put 36v and it clicks . Razor E300 Battery Charger (Standard) $14.49. This is an upgraded Razor battery pack with high capacity 15 Ah rated batteries, providing 33% longer run times (time the scooter is in use between charges). Condition is Used.this scooter is in used condition there a scratches here and there and rust on a few parts see photo but scooter runs fine brakes all good can test on collection.COLLECTION ONLY any questions please ask ps Warning: It is illegal to ride electric scooters on public roads, pavements, or cycle paths. The Third battery fit sideways in front of the motor housing. 03/01/2016 at 10:07, Portable Network Graphics (PNG) - This scooter is fun and useful: no problem to put inside into a car and no big weight. All Listings - Current page Auction Buy It Now Classified ads. This worked great and it's hard to lose for $3. $39.99 $ 39. In this video, I'm testing both 48V 500W and 1000W on the Razor E300 electric scooter. Mid-skid. Details. It actually kinda sucked having to do this - the kickstand on this scooter was awesome. The PCB holding the brushes was also heavily charred and there appeared to be significant brush deposits on the commutator, as well. 99. D . At this point, I cannot warn you enough. $30.99. (1) 12V 7Ah Battery (check your applications requirement - may need 2-4 batteries) This was to match the T8F sprocket on the new motor, the original setup using #25 chain. Batteries are the same size as the 7ah version ( 6-DW-7 ), but VICI has thicker grids inside the batteries to store more energy. views How To Deck Grab. The 36V badboy I enlisted for the build from eBay.We needed to upgrade. FREE Shipping by Amazon. Nice :-) I used a couple of SMD 10 ohm resistors I scavenged from an old hard drive. Portable Network Graphics (PNG) - The Razor 12V 9AH Battery Upgrade Kit is shipped fully charged and tested to ensure you the highest quality possible and comes standard with High-Tech Battery Solution's unbeatable one year no-hassle warranty. Are you sure you want to remove yourself as UNDER ANY CIRCUMSTANCES. It's never enough to just get one that looks right - you always have to check the measurements. And it has the eprime hub motor. Refine. Using a 1979 Ariens chassis, but replacing the small engine with a DC motor. $44.99. After getting tired of the low speeds and 12 hour charge times, [TK] decided it was time to swap for lithium batteries . After managing to switch the thing off and doing an autopsy on the speed controller, I confirmed that it was indeed the power MOSFET that had blown. Popular . Otherwise, the structure won’t work as it should be. Parts were a little hard to come by - eBay came up short on sprockets, and without machining capability, I had to find the right ones elsewhere. My original razor scooter I've had since 2009 has reached around 4000 MILES! The chain-driven motor is very quiet, so your neighbors will have nothing to complain about when your kids play down the street, or when you leave the house early in the morning – they wouldn’t even notice it. application notes from various manufacturers, Reverse Engineering: Brushless DC Motor Controller. Razor ecosmart battery upgrade? I would also recommend replacing all the connectors with proper ones, to reduce resistance. I hope that some of this was helpful. Glad to get one for my child today! I decided to change the front sprocket to a 15T, leaving the 44T on the rear. With everything wired up, I went for a test run. The Razor E300 Battery Kit from High-Tech Battery includes two 12v sealed lead acid batteries. 10:53 views Broc Raiford Hustled Me On A RipStik. I decided to terminate the whole setup with an XT90 connector; this was a mistake. $38.43 $ 38. Razor Electric Scootor Battery 6-DW-7 for e200s / e225 / e300 … I've been into electric scooters for a long time. 50. 4.4 out of 5 stars 56. But all great things must come to an end, including the poor MOSFETs we'd crammed into that stock speed controller. Image. Will keep you kids updated. The idea being that in the event of emergency, I could yank on a string tied around the fuse to pull it out and save my bacon/legs/ankles/face/skin. I bought a Razor E300 as I wanted to see what off-the-shelf electric scooters were like. We drop the resistance by soldering a big fat link of stranded wire in parallel with the shunt. TAKE A BURNT OUT MOTOR INSIDE YOUR HOUSE TO WORK ON. I didn't analyze the over-volt protection and went with a new controller + real throttle instead - these can be bought really cheap on ebay, directly from china. Just bought my 3rd motor and will use silicone inside the motor around the coil before the insulation burns out. NEW 1300mAh BATTERY+SCREWDRIVER for IPOD MINI 4GB 6GB . Popular . We found High Performance Upgrade for Your Razor E200/E200S/E300 Batteries for 28% Longer Run Time VICI High Performance Battery Pack. Free shipping. I have an E200 moded for 7s 25c 5Ah LiPo power.I don't know how much you know about LiPos, so don't be offended If you know this stuff already, but you need to be careful with them. 99. 45.2k views . MSRP $ 279.99. With a pile of BLDC controllers lying around, and none that do exactly what I want: better to re-use the parts than start over from scratch! $34.99 $ 34. Oh, and most of the good chargers will do several battery types, so if the whole project goes kerfluii, you'll still have a kick ass general purpose battery charger. Find great deals on eBay for razor e300 battery and razor e300 charger. Note the 44-tooth T8F sprocket fitted to the rear wheel.With the motor in, it was then a matter of fitting the new T8F sprocket to the rear wheel. For safty ride IT'S ENOUGH.The battery is 2x 5s6p and balancers + power connectors are outside of standard battery case (to easy charging by standard Turnigy Akkucell 6s 10A max ). Includes 12 month battery replacement warranty. PowerStar-Razor E200 E300 E300S Battery Replacement Set - Upgraded 9Ah (2 Batteries) 4.0 out of 5 stars 14. FREE Shipping. After our last outing, we knew we had the power, but we lacked the raw speed. The 2 x 12V battery system allows the Razor E300 to remain conspicuous even at top speed. 9.9. AU $17.06. Me on the scooter. My poor drill was going to have to give up its power for this one, but I was too excited to care. I am only going to 36v but with two motors . I'm not even kidding. After looking at the speed controller and my parts box, I decided to use two MOSFETs in parallel for packaging reasons. Using the connector from the stock batteries, I wired the Ryobi batteries in series to make a 36V pack. I was stoked with how neat this turned out. Not a member? The battery I made myself of Samsung 18650 10A of discharge (don't remember model).. But I'd ignored something that should have been blatantly obvious. (2) 12V 9ah rather than (2) 12V seven.0ah Batteries For twenty-eighth Longer time period. & it thst the black ground or the yellow ground . High Performance Upgrade for Your Razor E200/E200S/E300 Batteries for 28% Longer Run Time VICI High Performance Battery Pack Buy Now. How much will it weight then? This 9Ah battery set provides 12% more ride time than the 8Ah batteries sold above. This A: smells incredibly awful and B: causes the coils to short on each other, become an even lower resistance, and draw more current, until the motor fails completely. ;D Skids are fun! I plugged everything in but initially, nothing happened! AU $10.59. I also had to spec a 42V lithium battery charger from eBay; this one is sold for charging ebikes. An unconventional solution but it should do the trick until I can weld something up later.Bolting up the motor to the frame. $44.99 $ 44. Control in Your Hands. Pictured: Cordless drill in lathe's clothing. Riding it like this is twice as dangerous, and twice as fun, too. Part# … Dam u r good I could not of done that. 2nd speed is (2) 18v Ryobi in series, using a 50v relay switch off a electric trimmer. I spliced into those and just didn't charge over 2~3 amps. Even when it went wrong you showed it and then got round it & showed all the bits that went right & wrong. $31.99 $ 31. Razor E300 Scooter Batteries - 12V 7.5AH with F2 terminal The brand new battery set for your Razor E300 Electric Scooter includes 2 AGM batteries - SP12-7.5HR (12 V 7.5 AH). Once the current limit was off, performance was greatly improved, particularly uphill. Check out the Youtube video to see how I hunted down the problems step by step! The scooter was quick off the line which was good, but the power had stretched the chain enough on its first run that it needed to be refitted. Oh well. What to do? All sealed lead acid batteries purchased from High-Tech Battery Solutions are designed specifically for the deep-cycle use associated with all Razor Scooters. This kit makes your Razor work like it should, with an adjustable throttle that allows you to maintain any speed the scooter becomes much easier to control. Otherwise, the structure won’t work as it should be. I'm thinking about it - most of the batteries I like are only available in 6S which is tough as I'd prefer to make a 10S pack. Longtime user of e300 with 2 speeds. Razor E300 Spare Parts. Incidentally, we'd needed to shorten the sliding tube a little. Building an electric scooter with some real power. Worst of all, they take a full 12 hours to charge. 4.3 out of 5 stars 244. 6.4. $44.99 $ 44. Les meilleures offres pour RAZOR E300-Upgraded Hand Throttle, contrôleur électrique Kit - 36 Over Volt Kit sont sur eBay Comparez les prix et les spécificités des produits neufs et d'occasion Pleins d'articles en livraison gratuite! You must use the existing cables and hardware to connect your electric scooter battery. Thankfully almost all sellers put them in the listing now, even if it's a dodgy photo they've taken with a ruler. Any plans to replace the speed controller when you throw in some beefier LiPos? Mighty Max Battery 12V 9AH for Razor e200 / e200s / e225 / e300 / e300s / e325-2 Pack Brand Product. Part# W15156205015 Hovertrax Prizma PC Boards (set of 2) $ 53.99. 9.5. So what to do next? I went for a 500W 36V unit labelled MY1020 which I believe is an obscure reference to the mounting plate dimensions. Les meilleures offres pour RAZOR E300-Upgraded Throttle, contrôleur, électrique Kit - 36 Over Volt Kit sont sur eBay Comparez les prix et les spécificités des produits neufs et … To help you in your search, we have completed this list of the Best razor e300 battery. Protect your investment with a good charger. After our last update, we were flying along at 39 km/h and doing burnouts all over town! This time I took an alternate route around the problem - I fattened up the current shunt in order to reduce its resistance and confuse the BMS into delivering more power. X97-0478. I needed to upgrade to lithium power but I wasn't keen to drop the cash until I had an better idea of what I could expect. You should Key to your success in using FETs in this manner is to give each FET its own series gate resistor. £30.91. It was the motor. I can't wait to install a proper set of hardcore LiPos and do more mods! FREE Shipping . 99. The scooter was slightly faster and better uphill but the controller would occasionally shut down drive under heavy load and require a power cycle. AU $48.12. They're alright, but they're let down by lead acid batteries. Self Balancing Rechargeable 36 Volt fits 6.5" 8" 10" UL2272 Certified Samsung. As I mentioned above, the Razor E300 features a hand operated brake which is on the left hand side of the handlebars to provide easy access to pull whenever you need to slow down or stop. I need to bypass so much though. 1 person likes this idea. It is a fantastic battery for e300 razor electric scooter. The original gearing was 11T on the motor, with a 55T rear sprocket. based on your interests. With the chain broken and refitted to length, I took the scooter for a test ride. Cheers! 9:42 31.7k views Sommer Ray Gets A Custom Razor MX650 By Charles Gitnick. Product is out of stock. $44.99 $ 44. Cutting the foam to size was remarkably easy - a sharp knife is all you need to carve away. Then have at it with whatever the most relevant tool seems to be. 06. 1. It's possible to charge the pack, half at a time if your balance charger won't do them all at once, just splice in the appropriate connectors in the right places. With the 24V rechargeable battery system, the E300 HD travels up to 10 miles (16 km) or up to 40 minutes of continuous use on a single charge. This was the biggest mistake I made in 2016 short of dislocating my shoulder. (Specifications subject to change without notice.) High Performance Upgrade for Your Razor E200/E200S/E300 Batteries for 28% Longer Run Time VICI High Performance Battery Pack 4.2 out of 5 stars 240. FAST 'N FREE. I specced a couple of 5 cell, 8 Ah badboys from Hobbyking, with which I'd build a 10S pack. Details. How To Replace a Battery on a Razor E300 Electric Scooter. I am on my 3rd motor, which I buy on eBay for 30 bucks. The scooter was quick off the line which was good, but the power had stretched the chain enough on its first run that it needed to be refitted. I need help! Making that bit of metal thicker but put 36v to it and it clicks . Razor Electric Scootor Battery 6-DW-7 for e200s / e225 / e300 / e300s / e325 SLA Replacement Battery 12v 7.2 (2 Pack) 4.4 out of 5 stars 79. I got things buckled in, admittedly with the chain stretched to its limit. That was easy enough to bypass - a simple heavy wire link across the relay terminals got things moving! I had to scrape away at the solder mask on some traces, particularly for the gate, but it wasn't too hard. Battery Set for Razor® E300 and E300S Electric Scooter (Extended Range) All Versions Set of two 12 Volt 9Ah batteries for all versions of the Razor® E300 and E300S electric scooter. Sort: Best Match. Welcome to the Replacement Parts section for the Razor e300 electric scooters. 107 sold (2pk) ExpertBattery 12V 10AH SLA Battery for Razor Pocket Mod Electric Scooter . Part# W15156290030 Hovertrax X-Ray Motor $ 56.99. 99. I have always had a scooter in my home growing up. Log In. I decided to switch to lithium power using only what I had on me - and I had a lot of fun in the process! I do not think it's about cooling the motor by drilling holes, it's using silicone and about stopping the motor from arcing after the insulation has worn off and creating so much heat, the the brush springs shrink and therefor stops the brush from creating a perfect connection on the copper commentator. Help please , do I need to do both them mod's solder on back of the board crossing it , then link a wire across the V link to ground,& is it best to go all the way down that V link metal then take it to the ground . High Performance Upgrade for Your Razor E200/E200S/E300 Batteries for 28% Longer Run Time VICI High Performance Battery Pack. Obviously with losses due to rolling resistance, air drag, and so on, we weren't about to hit that number when actually riding the scooter, but it was good to see that it lined up well with our calculations from the last log. 10:53 views Broc Raiford Hustled Me On A RipStik. I have watched many videos where it says to upgrade to Lopo batteries, upgrade motors, greats and speed controllers. Log In. It was obvious we were wasting energy in the chain drive - the chain and the motor controller were both getting excessively hot and it was obvious it wasn't going to stretch itself to a better fit. Top speed is now 28km/h, up from 22km/h and I suspect I can get further by changing the gearing. Project owner will be notified upon removal. Step 1 (Remove the deck) First of all, you need an 8 mm open wrench and 4 mm Allen wrench for opening the screws of the scooter’s deck. #rearbrakes4lyf. Yep - all of these failings come down to one thing. This project was 2018. 12V 5AH Battery for Razor E100 E125 E150 E175 Scooter - 4 Pack. How fast will it go? After reassembling everything into the scooter, it was time to test. Tuning Razor E300 @ 36V Li-ion 18650 Power 12 Ah, standard motor + new DC Controller 36-44,6V + grips with Voltage meter..The camera was in my hand - hard to operate the brake and put stable - SORRY :-)Test starting after 11 km of ride - battery has 38,2 V now (full charge of battery has 41,5V). This is an example of the manufacturer rating the gate current capability of the silicon, ignoring the fact the device package can't effectively handle in excess of 100A. That said, I was tired of setting off with it down and then nearly stacking it when it impacted the ground at speed...Next up was the brakes. The 10amp/Hr batteries were about 1/2" taller, but still fit within the plastic fake motor housing. With the 24V rechargeable battery system, the E300 HD travels up to 10 miles (16 km) or up to 40 minutes of continuous use on a single charge. Oscillation is the biggest problem. Get it as soon as Thu, Dec 17. 03/01/2016 at 10:07, Portable Network Graphics (PNG) - The 9Ah battery upgrade will provide more ride time and mileage range however they will not make the scooter more powerful or faster. Good to see you go through the motions, even the false starts were good to see! So, how'd it go? Free shipping. Instead, I had to get creative - I decided I'd go with parallel FETs to handle the strain. My lab space and kitchen STILL smell like fiery death a WHOLE WEEK LATER. A shame but not entirely unexpected, I suppose. Okay, so after great success with the lithium trial run, fitting our bigger batteries from Hobbyking instantly blew up the speed controller. I see what u did . Yes - it'll do burnouts. 7.3. Best Match. After just 50 meters the chain came off! 1st speed is (2) 18v Ryobi in parallel. Requires use of original wiring and may require multiple batteries. Its range tends to be between 5-10 miles depending on the terrain it is driven on and rider weight. 9:42 11.6k views How To 180° 5:49 11.6k views How To Do A No Hander. Related: razor e300 charger razor e300 electric scooter razor e300 battery upgrade razor e300 battery 9ah razor e300 upgrade e300 razor battery charger. If you know more on that, let me know. Nathan Reich. think your scooter mod's are cool . 9:42 11.6k views How To 180° 5:49 11.6k views How To … That current rating is right around the theoretical limit for a TO-220 package as it is - 75-100A. Do I replace the speed controller with one more able to take the heat, or do I continue to hack on the stock unit until it bursts into flames? R03-1205. The razor e300 upgrade kit motor details, please refer to this 13 inch gearless hub motor, it ... dc hub motor, gearless, tubeless tyre (10×4-6) 2. programable brushless dc motor controller 3. throttle with LED battery indicator 4. disc brake plate and caliper 5. electric bike braking levers . Featured in this video. We used a flap disc on an angle grinder. Elecrical generator using diesel engine and induction motor. Razor E300 12V 9Ah Scooter Battery - This is an AJC Brand Replacement Brand: AJC Battery. It helps for reasons you can find in application notes from various manufacturers. The scooter was initially incredibly quick, but quickly lost power. Create an account to leave a comment. NEW 1300mAh BATTERY+SCREWDRIVER for IPOD MINI 4GB 6GB . There was some white goop but it came away easily enough. $55.50 $ 55. It’s crazy. Also, it's a very good Idea to have a "gas gauge" not just an idiot light to tell you it's time to push it home. $31.99. a member for this project? $44.99. An improvement, but not enough. Please help if u can . X98-0550 . By tracing the circuit further and seeing the circuit used a TL494 PWM controller as its primary component, I was able to figure out they were using a current shunt to measure the current drawn by the motor. Today I will address the issue of finding a Razor E300 battery upgrade. Best Match. - you always have to check the measurements. Compared to the OEM battery, the 12 volt 9 amp hour upgrade … Gene Johnson. 4. Learn more about finding a Razor E300 battery upgrade here. Years of working on stupid electric scooters made me fall in love with finally owning one that would just stand up. 4.5 out of 5 stars 2,196. The Zippy Compact 7s comes with two balancing plugs. more Format Format. Here we also have the top 10 razor e300 battery just for you. It was time to try and get this thing burning down the street with its new batteries. Love the project. Never seen one out here in Australia. 2.80/2.50-4 Tire for the Razor E-XR (Version 1+) & E300 (Versions 40+) Scooters $21.99. After 40 minutes out of the scooter the rotor was still hot to the touch. That, and the motor actually shipped with a 9T sprocket. The VB1280 Razor is yet another impressive battery pack for Razor electric scooters. Battery (2-12V/7Ah) Front fork Handlebar grips (right/left) Also, as an extra safety precaution Razor have ensured that when the brake is activated, the power to the motor is cut which, as you can imagine, helps to bring the scooter to a safe stop. Razor E300 Scooter Inner Tube (Versions 1-40) $6.99. Add to cart . Next up it was time to do the wiring for the BMS. Already have an account? Control Module Controller For Razor Scooter E200 E300 MX350 Pocket Mod Rocket . Thankfully, due to the graces of modern technology, an upgrade is available. 99. Popular . Control Module for Razor Trikke E2 ZK2400-DP-FS-ROHS Connector Controller. Product Title. The stock speed controller and the two 18V 1.4Ah Ryobi lithium drill batteries I had already. 196 sold. My razor E200 now it's the way it shod be. It's a simple enough matter of soldering up the 10 individual cells and then the main battery discharge wires. Today I will address the issue of finding a Razor E300 battery upgrade. [TK] had an older Razor E300 that uses lead acid batteries. Featured in this video. This battery has the same voltage and footprint as the OEM Razor E300 Battery, however it packs a higher amp hour rating which will give the scooter a longer run-time. 2pk 12V 7AH Battery for Razor Scooter ES300 E200 E300 Bella Betty Daisy Vapor Buy Now. 4.3 out of 5 stars 180. Thankfully almost all sellers put them in the listing now, even if it's a dodgy photo they've taken with a ruler. Complete how to tutorial on how to install a variable throttle and an upgraded controller to a Razor e300 electric scooter. Lasts you a lifetime. The speed controller, right, with the old blown IRFB3607, left. MSRP $ 279.99. With its twist-grip acceleration control and hand-operated rear brake, the E300 HD puts power and control in your hands. Get it as soon as Thu, Dec 17. Clamping bracket not easily visible. Replacing it with another TO-220 wasn't going to cut it. 2018. Thought about drilling cooling holes in the motor? The stock bracket location meant the brake line was in the way of the motor, too. Best razor e300 battery . Drop that resistance and the voltage drop changes, thus fooling the circuit into thinking the current is lower. Sort: Best Match. I could hear a relay clicking every time I hit the throttle though. wow you did your scooter so well , and can I say it was a cool watching you. Our Razor 12V 9AH Battery Upgrade Kit is comprised of high-rate discharge batteries specifically designed for use in scooter applications. They're alright, but they're let down by lead acid batteries. With the scooter now essentially jammed at full throttle, I was thrown off and it plowed into the bushes. Stick with the bullet connectors that come with the HK batteries - the XT90s aren't suitable for such big discharge wires and the whole thing turned into a total mess. FAST 'N FREE. The output is the same, but the runtime is extended up to 28%! Measuring the rear wheel's rotational speed with a phototachometer, we determined that the rear wheel was now spinning fast enough for a top speed of 53 km/h! 12V 9Ah Battery(s) - 24 Volt Kit - Fits E200, ES300, … shipping: + AU $6.88 shipping . I wanted speed! Contact Hackaday.io When we dosed it with some hot, fresh amps, the FET was killed instantly. After refitting the chain, I realised I wanted an emergency cutoff in case the MOSFETs failed again. Razor E300 Wiring Diagram – e300 razor scooter battery wiring diagram, razor e300 battery wiring diagram, razor e300 throttle wiring diagram, Every electrical structure consists of various unique parts. The cordless-drill-come-lathe was the way to do it. Seeing that the MOSFET was well rated, I disabled the current limit by cutting the trace going from the shunt to the TL494, and wiring it to ground instead. I am not even kidding. I've been into electric scooters for a long time. The first runs were not quite up to scratch - only 34 km/h. SLA Battery, 12V, 7AH, Razor Scooter E300S – 2 Pack Buy Now. Get it as soon as Thu, Dec 10. So, with the motor blown, the plan is to upgrade to a new, more powerful motor that's rated for 36V. How To Replace a Battery on a Razor E300 Electric Scooter. I couldn't get close to the previous speeds I'd reached and there was a hot, burning smell. Battery: 24V (two 12V) sealed lead acid, rechargeable Includes: Battery charger E300S: Seat post and padded seat easily remove for stand-up riding RIDER TYPE: Age: 13+ Max Rider Weight: 220 lb (100 kg) Product Dimensions: 40” x 16.5” x 42.5” (1015 mm x 420 mm x 1080 mm) Weight: 19.5 lb (43 kg)