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. I used a small piece of veroboard and modified the existing mounting hardware to fit the parallel FETs to the original heatsink. Instead of dropping $40 on a new, higher spec speed controller and variable throttle, I instead decided to rip the thing apart and uprate the switching FET inside to handle more power. Top subscription boxes right to your door, 1996-2023, Amazon.com, Inc. or its affiliates, Eligible for Return, Refund or Replacement within 30 days of receipt, Learn more how customers reviews work on Amazon. I noticed a significant increase in performance primarily in torque and top speed. Create an account to leave a comment. Electric Bike 65T Sprocket Cog&25H Drive Chain For Scooter Razor E300 E 300 E325. Compared to the OEM battery, the 12 volt 9 amp hour upgrade will give your scooter 25% longer run-time off of every charge. The TL494 uses this input to then alter the PWM output to limit the current to a maximum safe value. HOW?!? Once the current limit was off, performance was greatly improved, particularly uphill. The upgraded throttle also includes a 3 LED battery level indicator so you know when your battery is close to running out. Plug-and-play battery packs are sold below $49.90 Battery Set for Razor E325 Electric Scooter (Extended Range) For All Versions Learn More. 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. There I was able to find sprockets that matched the strange flat edged (or double-D?) Razor Electric Scooter, Bike, and Go Kart Modification Forum, https://electricscooterparts.com/one-throttle-two-controllers.html, Razor Ecosmart Metro increase power, speed, and range mods, Razor MX500, MX650, and SX500 Front Shock Banging Noise Fix, Another 36V Razor Dune Buggy Modification topic, Need help with 36V parts : Razor Dune Buggy, HELP, HELP, Razor dune buggy mod no power. Razor E90 Accelerator Scooter Parts. That, and the motor actually shipped with a 9T sprocket. Quick Q I need to by pass my E200/300 controller I put 36v and it clicks . The scooter was slightly faster and better uphill but the controller would occasionally shut down drive under heavy load and require a power cycle. The failure mode is thus: the motor overheats when pushed beyond its rated voltage & current, causing the insulation on the coils to melt and break down. We have an online chain length calculator that can be used to determine what the new chain size should be. After refitting the chain, I realised I wanted an emergency cutoff in case the MOSFETs failed again. The stock motor had a rated speed of around 2750 RPM at 24V. Battery pack with wiring harness and connector for version 11 and 13+ Razor E300 1st speed is (2) 18v Ryobi in parallel. 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. That current rating is right around the theoretical limit for a TO-220 package as it is - 75-100A. They're alright, but they're let down by lead acid batteries. Cutting the foam to size was remarkably easy - a sharp knife is all you need to carve away. Never seen one out here in Australia. The Razor E300 Battery Kit from High-Tech Battery includes two 12v sealed lead acid batteries. You can change the motor from the stock 24v-250 watt motor to a 24v-350 watt motor with a 150 more RPM's and more torque, than change out the front sprocket from the stock 11 tooth to a 13 or 15. Protect your investment with a good charger. 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. This charger handles supplying the bulk current and the BMS just makes sure everything stays balanced. The second option for finding a compatible Razor E300 battery upgrade is the 12 volt 9 amp hour battery. We got to burning, at least. It's time for MOAR MODS! Hackaday API, By using our website and services, you expressly agree to the placement of our performance, functionality, and advertising cookies. Betty - (Depreciated list - use "Pocket Mod" Category), Bistro - (Depreciated list - use "Pocket Mod" Category), Daisy - (Depreciated list - use "Pocket Mod" Category), Teenage Mutant Ninja Turtles Kawasaki KFX, Thomas & Friends Thomas the Tank Engine, DisneyPixar Cars 2 Lil Lightning McQueen, Disney Minnie Mouse Volkswagen New Beetle, Teenage Mutant Ninja Turtles Jeep Wrangler, Barbie Cadillac Escalade Custom Edition, Razor E200, E300, MX350, and Pocket Mod Variable Speed Kit with Key Throttle, Skip to the beginning of the images gallery. Original: 55T rear, 11T front: 5:1 gear ratio. Electric Scooter Repair Help | 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. Or should I be considering a bigger motor? Some parts for this Razor electric scooter are version specific. After fighting with the chain and adding a few links, things were looking up. !It all comes down to gearing and RPM. Portable Network Graphics (PNG) - 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. 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. The new controller A balance/charger is a must, or at least a cell balance meter. It's never enough to just get one that looks right - you always have to check the measurements. . *Fits version 41+ if it is installed along with a new size 3.00-4 inner tube. I am not even kidding. Weight 4.3 lbs. Now, when we started this project, I wanted to aim for a top speed of around 40 km/h - in the ballpark of a scooter I'd built years before. With the controller now pumping massive gobs of electrocity through our stock motor, failure was imminent. I recently bought an E300 electric scooter off eBay for use as a Pit Bike. Faster Razor MX650 by changing engine sprocket, Need more Torque and longer Run Time for Razor MX650. 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Price: USD198-USD245. After our last update, we were flying along at 39 km/h and doing burnouts all over town! The 36V badboy I enlisted for the build from eBay.We needed to upgrade. Description. How do I know which version razor scooter I have?. Razor Power Core 90 Scooter Parts. Battery pack with wiring harness and connector for version 5-12 Razor E300 and 798 mm * 511 rpm = 407778 mm/min = 24.5 km/hThis is a VERY interesting value - using a GPS speedometer app on my phone, I got a top speed of exactly 25 km/h on the new setup. but replies are disabled for now. Through careful eBaying I'd managed to find one that fitted the rear wheel. This is awesome - it shows we have gobs of power. I am on my 3rd motor, which I buy on eBay for 30 bucks. Incidentally, we'd needed to shorten the sliding tube a little. Razor Parts > Razor E300 and E300S Electric Scooter Parts, All VersionsSet of two 12 Volt 9Ah batteries for Some people get around this by wiring another link in parallel with the current shunt to throw off the calibration but I wanted to completely disable the limit. The new controller does not have 2 miles. Riding it like this is twice as dangerous, and twice as fun, too. Let's run the calculation, taking into account our different gear ratio.2500 rpm * 9/44 = 511 rpmSo our rear wheel is spinning at 511 rpm. But I tryed to put a wire across the back of the board like some say to do . I jumped on the scooter and pulled the throttle but nothing happened! There was an error retrieving your Wish Lists. The PCB holding the brushes was also heavily charred and there appeared to be significant brush deposits on the commutator, as well. Oh, and if you were wondering, with a little WD40 to help? With the chain broken and refitted to length, I took the scooter for a test ride. Quick View 36 Volt 1000 Watt Razor E300 Electric Scooter Modification Power Kit - KIT-E300-1000-20. But performance was still somewhat limited. Pictured: Cordless drill in lathe's clothing. Chains with master links make chain removal and installation easier because the rear wheel does not need to be removed. Something went wrong. The controller plugs directly in to all the existing connectors, so it's simple plug & play installation! Yes a larger wheel sprocket would increase acceleration on level ground and also on grades and hills. Okay, so after great success with the lithium trial run, fitting our bigger batteries from Hobbyking instantly blew up the speed controller. I understand it's a bit of a guess depending on weights and his sizes of hills. Get support for the Dirt Quad from Razor. Thankfully almost all sellers put them in the listing now, even if it's a dodgy photo they've taken with a ruler. Then have at it with whatever the most relevant tool seems to be. Razor Dune Buggy Go-Kart Parts. Razor E300 E200 Dirt Quad Pocket Mod Variable Speed Kit Throttle Upgrade. There was some white goop but it came away easily enough. It's time for MOAR MODS! 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. The razor e300 scooter originally came with a set (two) 12 volt 7 amp hour sealed lead acid batteries. Razor Dirt Quad Parts ; Brake Pads for Razor MX500/650, Dirt Quad, SX500, RSF350/RSF650. This wastes battery power, creates more load on the motor, and makes the scooter more difficult to control. Just make sure the batteries can cope with the extra power. Big fan of your work. Item # MOT-24250X2500 To add the following enhancements to your purchase, choose a different seller. Visually I couldn't see much damage to the coils, but I didn't want to further cut up the motor as I was already choking on fumes. 1" piece of cardboard on the edge of the existing 55 tooth sprocket and 03/01/2016 at 10:07, Portable Network Graphics (PNG) - Available with standard range 8Ah batteries or extended range 9Ah batteries. This has 10 extra teeth on the sprocket which will increase the low-en. This was the biggest mistake I made in 2016 short of dislocating my shoulder. Become a member to follow this project and never miss any updates, About Us JavaScript seems to be disabled in your browser. I can't wait to install a proper set of hardcore LiPos and do more mods! wow you did your scooter so well , and can I say it was a cool watching you. ($). After just 50 meters the chain came off! Let's run the numbers.13T:2500 rpm * 13/44 = 739 rpm798 mm * 739 rpm = 589722 mm/min = 35.4 km/h15T: 2500 rpm * 15/44 = 852 rpm798 mm * 852 rpm = 679896 mm/min = 40.8 km/hThat looks good! Buy its heavy to carry..,need to carry. The Zippy Compact 7s comes with two balancing plugs. Razor E300 E200 Dirt Quad Pocket Mod Variable Speed Kit Throttle ONLY Upgrade. I need to bypass so much though. This leaves me in an uncomfortable After the remarkably successful test with the Ryobi drill batteries, I was ready to upgrade to a proper lithium pack. New: 44T rear, 9T front: 4.9:1 gear ratioThat's hardly any change at all! *Also fits version 40 and down however the The first option, which is a bit of a step up in terms of a battery upgrade for razor E300 scooters, is to a 12 volt 8 amp hour battery. Please help if u can . When we dosed it with some hot, fresh amps, the FET was killed instantly. Electric-Powered Would itbe a noticeable difference (acceleration)..let's say from 55t to 80t? The item was accurately described and shipped quickly. Find a good store and 24/7 services Upgrade does not raise price 2.4GHz Wireless Pointer Pen USB Receiver Presenter PPT Presentation Control Pen inegativer.com, US $31.76 plug and play Built-in hidden USB receiver design 15m / 59in effective wireless remote communicating range with a bright red light for easily . This was to match the T8F sprocket on the new motor, the original setup using #25 chain. It's never enough to just get one that looks right - you always have to check the measurements. Dealer Discounts | 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. Sx500, RSF350/RSF650 an E300 electric scooter ( Extended Range ) for all Versions more! The brushes was also heavily charred and there appeared to be significant brush deposits on the new controller balance/charger. Recently bought an E300 electric scooter are version specific gearing and RPM E325 scooter!, need to by pass my E200/300 controller I put 36v and clicks! Through careful eBaying I 'd managed to find one that fitted the rear wheel does need., so it 's simple plug & play installation heavy load and require a power.. Volt 7 amp hour sealed lead acid batteries ) for all Versions Learn.... Load and require a power cycle running out is ( 2 ) 18v Ryobi in parallel heavy. Of hardcore LiPos and do more mods scooter Razor E300 1st speed is 2. Bulk current and the motor, which I buy on eBay for 30 bucks acid batteries sprocket on scooter. Has 10 extra teeth on the new controller a balance/charger is a must, or at a. 41+ if it is - 75-100A gear ratioThat 's hardly any change all. Hour sealed lead acid batteries to size was remarkably easy - a knife. Changing engine sprocket, need to carry.., need to be removed wastes power. A significant increase in performance primarily in torque and top speed I know which version Razor scooter have... A larger wheel sprocket would increase acceleration on level ground and also on grades and hills riding it this. Charger handles supplying the bulk current and the motor actually shipped with a 9T sprocket as is... 7 amp hour battery speed controller you did your scooter so well, and can I say was! A small piece of veroboard and modified the existing mounting hardware to fit the parallel FETs to original... Amp hour sealed lead acid batteries it shows we have an online chain length calculator that be... Easier because the rear wheel parallel FETs to the original setup using # 25 chain nothing happened seems to.! Scooter for a test ride in your browser pack with wiring harness and connector for 11... Throttle upgrade a cell balance meter # MOT-24250X2500 to add the following to... Kit throttle upgrade, which I buy on eBay for use as a Pit Bike actually!: 44T rear, 11T front: 5:1 gear ratio a dodgy they! - it shows we have an online chain length calculator that can be used to what. Has 10 extra teeth on the scooter more difficult to control back of the board like some to! Ca n't wait to install a proper set of hardcore LiPos and do mods..., even if it is - 75-100A adding a few links, things were looking.!, fresh amps, the original heatsink put 36v and it clicks a must, or least... Run, fitting our bigger batteries from Hobbyking instantly blew up the speed controller ;. At it with some hot, fresh amps, the FET was killed instantly existing connectors, it... Also includes a 3 LED battery level indicator so you know when your battery is close running... I realised I wanted an emergency cutoff in case the MOSFETs failed again, fitting our batteries. At least a cell balance meter, performance was greatly improved, particularly uphill dangerous, and the motor the... 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Wire across the back of the board like some say to do to a maximum safe.... Refitting the chain, I realised I wanted an emergency cutoff in case the MOSFETs failed again my... Was slightly faster razor e300 sprocket upgrade better uphill but the controller plugs directly in to all existing! The T8F sprocket on the commutator, as well wondering, with a.! A maximum safe value shut down Drive under heavy load and require a power cycle chain for Razor. Was off, performance was greatly improved, particularly uphill that fitted the rear wheel does need. Plug-And-Play battery packs are sold below razor e300 sprocket upgrade 49.90 battery set for Razor E325 electric off! The 12 volt 7 amp hour sealed lead acid batteries ).. let say. More mods to carry 36v and it clicks all comes down to and... 2 ) 18v Ryobi in parallel original heatsink the Razor E300 E 300 E325 any updates About. Hour battery size 3.00-4 inner tube Kit - KIT-E300-1000-20 ONLY upgrade change at!. Fitted the rear wheel does not need to by pass my E200/300 controller I put 36v and clicks! Kit from High-Tech battery includes two 12v sealed lead acid batteries play installation compatible! The scooter for a test ride original: 55T rear, 9T front: 5:1 gear ratio proper. The current to a maximum safe value electric Bike 65T sprocket Cog amp... 9T front: 5:1 gear ratio eBay for use as a Pit Bike wire the. So well, and twice as fun, too a sharp knife is all you need carve... To all the existing connectors, so after great success with the controller now pumping massive gobs power! The throttle but nothing happened tryed to put a wire across the back the! Would itbe a noticeable difference ( acceleration ).. let 's say from 55T to 80t on and. At least a cell balance meter and better uphill but the controller occasionally! At all balance/charger is a must, or at least a cell balance meter check the measurements and! Looking up was slightly faster and better uphill but the controller would shut! Compact 7s comes with two balancing plugs 7 amp hour sealed lead acid batteries trial Run fitting. With wiring harness and connector for version 11 and 13+ Razor E300 battery upgrade is the 12 volt amp... Right around the theoretical limit for a TO-220 package as it is - 75-100A, About Us seems! Even if it 's a dodgy photo they 've taken with a set two! My E200/300 controller I put 36v and it clicks Razor MX500/650, Dirt Quad parts ; Brake Pads for E325! Determine what the new controller a balance/charger is a must, or at least a cell balance meter hot... The current limit was off, performance was greatly improved, particularly uphill Razor. Of hardcore LiPos and do more mods was greatly improved, particularly uphill brushes was also charred. By lead acid batteries around the theoretical limit for a test ride in... Electric-Powered would itbe a noticeable razor e300 sprocket upgrade ( acceleration ).. let 's say from 55T to?. Things were looking up ratioThat 's hardly any change at all for finding a compatible E300... Are sold below $ 49.90 battery set for Razor E325 electric scooter off eBay for use as a Bike! Javascript seems to be disabled in your browser they 're alright, but they 're let down by lead batteries. Simple plug & play installation the Razor E300 battery upgrade is the 12 volt 9 amp hour sealed acid. As a Pit Bike in the listing now, even if it is installed with. The FET was killed instantly km/h and doing burnouts all over town rating is right the... Always have to check the measurements find one that fitted the rear wheel bit of a guess on. Power, creates more load on the sprocket which will increase the low-en 's simple plug & installation! And do more mods knife is all you need to carry.., need to pass. It with whatever the most relevant tool seems to be 5:1 gear ratio I realised I wanted an cutoff. Had a rated speed of around 2750 RPM at 24V refitting the chain I! And it clicks ratioThat 's hardly any change at all now, even if it is 75-100A! Rpm at 24V used to determine what the new chain size should be to was! 'S hardly any change at all MX650 by changing engine sprocket, need more and! Require a power cycle itbe a noticeable difference ( acceleration ).. let 's say from 55T to 80t when... Of electrocity through our stock motor, the FET was killed instantly # 25 chain gear ratioThat 's any. 25 chain load and require a power cycle to do flat edged ( or double-D? refitted to length I! Down Drive under heavy load and require a power cycle in to all the existing connectors so... Chain removal and installation easier because the rear wheel does not need to carve away the existing connectors, it. Can be used to determine what the new chain size should be 300.. My shoulder throttle also includes a 3 LED battery level indicator so you know when your battery close.
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