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Last post

Have You Built Battery Pack WITHOUT BMS?

Last post by Diggs « Aug 19 2022 3:17pm
Posted in Battery Technology
Replies: 4
by cheez » Aug 19 2022 8:46am » in Battery Technology

4 Replies

55 Views

Last post by Diggs
Aug 19 2022 3:17pm
How hot do you let a downtube battery get? Is 45-50°C too hot for safety?

Last post by thepronghorn « Aug 19 2022 2:52pm
Posted in Battery Technology
Replies: 1
by harrisonh » Aug 18 2022 6:40pm » in Battery Technology

1 Replies

45 Views

Last post by thepronghorn
Aug 19 2022 2:52pm
Portable snow tank for towing skiers

Last post by JRP3 « Aug 19 2022 2:40pm
Posted in EScooter/EMotorcycle Build Threads
Replies: 61
by Philosoraptor » Dec 11 2021 11:13pm » in EScooter/EMotorcycle Build Threads
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61 Replies

4643 Views

Last post by JRP3
Aug 19 2022 2:40pm
Yamaha YZ250F

Last post by j bjork « Aug 19 2022 2:27pm
Posted in EScooter/EMotorcycle Build Threads
Replies: 426
by j bjork » Jan 05 2021 12:19pm » in EScooter/EMotorcycle Build Threads
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35793 Views

Last post by j bjork
Aug 19 2022 2:27pm
Programming APT AE96600 controller (update: NOT recommended, unstable program)

Last post by larsb « Aug 19 2022 2:18pm
Posted in EBike Technical
Replies: 276
by larsb » Oct 31 2018 12:41pm » in EBike Technical
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276 Replies

44056 Views

Last post by larsb
Aug 19 2022 2:18pm
Torque sensor options in 2022?

Last post by E-HP « Aug 19 2022 1:59pm
Posted in EBike General Discussion
Replies: 24
by mckidney » Aug 11 2022 1:47pm » in EBike General Discussion

24 Replies

483 Views

Last post by E-HP
Aug 19 2022 1:59pm
Uk-c1 display with sabvoton 100a controller

Last post by csm_ecosse « Aug 19 2022 1:55pm
Posted in EBike Troubleshooting
Replies: 3
by csm_ecosse » Aug 14 2022 8:14am » in EBike Troubleshooting

3 Replies

126 Views

Last post by csm_ecosse
Aug 19 2022 1:55pm
Making a hallbach array rotor?

Last post by Hummina Shadeeba « Aug 19 2022 1:37pm
Posted in Motor Technology

by Hummina Shadeeba » Aug 19 2022 1:37pm » in Motor Technology

0 Replies

19 Views

Last post by Hummina Shadeeba
Aug 19 2022 1:37pm
BBSHD GOT PROBLEMS

Last post by WALLEY « Aug 19 2022 1:14pm
Posted in EBike Troubleshooting

by WALLEY » Aug 19 2022 1:14pm » in EBike Troubleshooting

0 Replies

15 Views

Last post by WALLEY
Aug 19 2022 1:14pm
Upgrade brakes and running shifter cable under Tongsheng mid drive motor

Last post by Chalo « Aug 19 2022 12:48pm
Posted in Bike Mechanical & Structural
Replies: 59
by scrolltonowhere » Apr 25 2022 12:47pm » in Bike Mechanical & Structural
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59 Replies

2417 Views

Last post by Chalo
Aug 19 2022 12:48pm
Lithium ion/Hybrid Battery Help

Last post by ColinB « Aug 19 2022 12:45pm
Posted in EBike General Discussion
Replies: 1
by pmmali » Aug 19 2022 12:49am » in EBike General Discussion

1 Replies

45 Views

Last post by ColinB
Aug 19 2022 12:45pm
How much battery capacity is lost annually?

Last post by eMark « Aug 19 2022 12:29pm
Posted in EBike General Discussion
Replies: 24
by #boosted » Jan 18 2021 11:53pm » in EBike General Discussion

24 Replies

1113 Views

Last post by eMark
Aug 19 2022 12:29pm
Using a mask to filter exhaust gasses

Last post by scootergrisen « Aug 19 2022 12:19pm
Posted in General Discussion

by scootergrisen » Aug 19 2022 12:19pm » in General Discussion

0 Replies

12 Views

Last post by scootergrisen
Aug 19 2022 12:19pm
Has anyone built a pack from these Samsung prismatics from Battery Hookup?

Last post by Chalo « Aug 19 2022 12:01pm
Posted in Battery Technology
Replies: 20
by CONSIDERABLE SHOUTING » Jul 31 2022 11:50am » in Battery Technology

20 Replies

562 Views

Last post by Chalo
Aug 19 2022 12:01pm
K2 26650 3800mah Lifepo4 Cells (120)

Last post by TrotterBob « Aug 19 2022 11:46am
Posted in Items for Sale - New

by TrotterBob » Aug 19 2022 11:46am » in Items for Sale - New

0 Replies

17 Views

Last post by TrotterBob
Aug 19 2022 11:46am
E-bike with lost connection between motor and battery

Last post by e-beach « Aug 19 2022 11:33am
Posted in EBike Troubleshooting
Replies: 30
by E-driver_ » Aug 13 2022 2:49pm » in EBike Troubleshooting
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30 Replies

410 Views

Last post by e-beach
Aug 19 2022 11:33am
DIY Toroidal Axial Flux PM

Last post by BalorNG « Aug 19 2022 11:14am
Posted in Motor Technology
Replies: 448
by HalbachHero » Apr 13 2021 11:45am » in Motor Technology
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448 Replies

27043 Views

Last post by BalorNG
Aug 19 2022 11:14am
Axial Flux E motors.

Last post by PaPaSteve « Aug 19 2022 10:41am
Posted in EBike Technical
Replies: 3
by ynot » Aug 18 2022 11:49am » in EBike Technical

3 Replies

86 Views

Last post by PaPaSteve
Aug 19 2022 10:41am
Surron and Votol EM150S

Last post by CebulaFpv « Aug 19 2022 10:32am
Posted in EScooters/EMotorcycles
Replies: 3
by oldgx460 » Jun 09 2021 12:29pm » in EScooters/EMotorcycles

3 Replies

513 Views

Last post by CebulaFpv
Aug 19 2022 10:32am
My Bafang Ultra Mountain Bike! Frey AM1000

Last post by Kormyr « Aug 19 2022 10:10am
Posted in EBike Reviews & Testing
Replies: 2515
by robocam » Oct 13 2017 10:25pm » in EBike Reviews & Testing
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2515 Replies

386631 Views

Last post by Kormyr
Aug 19 2022 10:10am
6s Lipo vs 6s4p 18650's

Last post by From-A-To-B « Aug 19 2022 9:38am
Posted in Battery Technology
Replies: 1
by Jimbaloosh » Aug 18 2022 6:29am » in Battery Technology

1 Replies

43 Views

Last post by From-A-To-B
Aug 19 2022 9:38am
Help me to identify this Controller

Last post by eee291 « Aug 19 2022 8:45am
Posted in EBike General Discussion
Replies: 1
by pmmali » Aug 19 2022 5:02am » in EBike General Discussion

1 Replies

29 Views

Last post by eee291
Aug 19 2022 8:45am
la Nina rears her ugly head

Last post by ZeroEm « Aug 19 2022 8:33am
Posted in General Discussion
Replies: 2414
by Dauntless » Jun 11 2016 12:12pm » in General Discussion
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2414 Replies

164929 Views

Last post by ZeroEm
Aug 19 2022 8:33am
Troubles with Max battery current on Kelly Controller

Last post by Tummy000 « Aug 19 2022 8:18am
Posted in EBike Troubleshooting
Replies: 11
by Tummy000 » Aug 11 2022 12:03pm » in EBike Troubleshooting

11 Replies

207 Views

Last post by Tummy000
Aug 19 2022 8:18am
Mock mid-drive Bafang to check if fits frame?

Last post by ebuilder « Aug 19 2022 8:17am
Posted in EBike Technical
Replies: 34
by Shohreh » Aug 11 2022 5:52am » in EBike Technical
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34 Replies

542 Views

Last post by ebuilder
Aug 19 2022 8:17am
Newbie question re. using a balance-charger in combination with a BMS

Last post by john61ct « Aug 19 2022 8:07am
Posted in Battery Technology
Replies: 4
by theabsurdman » Aug 16 2022 8:05pm » in Battery Technology

4 Replies

121 Views

Last post by john61ct
Aug 19 2022 8:07am
Solderwelding copper on nickel strip to add current capacity

Last post by harvestbarn « Aug 19 2022 8:04am
Posted in Battery Technology
Replies: 5
by Yaroooo » Aug 09 2021 7:01am » in Battery Technology

5 Replies

357 Views

Last post by harvestbarn
Aug 19 2022 8:04am
10S Battery pack limits to P - 36v 10s 4,5,6

Last post by bobbill « Aug 19 2022 8:01am
Posted in EBike Technical
Replies: 5
by bobbill » Aug 17 2022 9:09am » in EBike Technical

5 Replies

94 Views

Last post by bobbill
Aug 19 2022 8:01am
1st Post, 2nd Conversion: Coleman youth ATV

Last post by mtbkrdave « Aug 19 2022 7:49am
Posted in Large EV General Discussion

by mtbkrdave » Aug 19 2022 7:49am » in Large EV General Discussion

0 Replies

22 Views

Last post by mtbkrdave
Aug 19 2022 7:49am
BMS's damaging 52 volt batteries when left with very low current draw off.

Last post by john61ct « Aug 19 2022 7:39am
Posted in Battery Technology
Replies: 15
by Waynemarlow » Aug 16 2022 3:21pm » in Battery Technology

15 Replies

210 Views

Last post by john61ct
Aug 19 2022 7:39am
Open source BMS for 48V to 400V lithium-ion battery pack

Last post by john61ct « Aug 19 2022 7:21am
Posted in Battery Technology
Replies: 376
by ENNOID » Feb 20 2018 8:22pm » in Battery Technology
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376 Replies

74978 Views

Last post by john61ct
Aug 19 2022 7:21am
170mph EV Land Speed Motorcycle

Last post by Frank « Aug 19 2022 5:56am
Posted in EScooters/EMotorcycles
Replies: 55
by coleasterling » Sep 06 2021 2:15pm » in EScooters/EMotorcycles
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55 Replies

2686 Views

Last post by Frank
Aug 19 2022 5:56am
Troubleshooting PAS sensor

Last post by docw009 « Aug 19 2022 5:10am
Posted in EBike Troubleshooting
Replies: 1
by e.mote » Aug 19 2022 4:34am » in EBike Troubleshooting

1 Replies

27 Views

Last post by docw009
Aug 19 2022 5:10am
Show Us Your Homemade Battery Housing

Last post by Dui, ni shuo de dui « Aug 19 2022 4:28am
Posted in EBike General Discussion
Replies: 605
by jimw1960 » Sep 08 2009 8:04pm » in EBike General Discussion
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605 Replies

208911 Views

Last post by Dui, ni shuo de dui
Aug 19 2022 4:28am
kelly controller hall sensor error, current error

Last post by PTeddy « Aug 19 2022 3:20am
Posted in EBike General Discussion

by PTeddy » Aug 19 2022 3:20am » in EBike General Discussion

0 Replies

18 Views

Last post by PTeddy
Aug 19 2022 3:20am
Bafang G062.1000.DC mods to run 4000w +regen

Last post by chuyskywalker « Aug 19 2022 1:42am
Posted in EBike Technical
Replies: 2
by TuomasK » Aug 09 2022 2:12pm » in EBike Technical

2 Replies

181 Views

Last post by chuyskywalker
Aug 19 2022 1:42am
Nickel Strip -- looking for reliable source

Last post by jas67 « Aug 19 2022 12:10am
Posted in Battery Technology
Replies: 5
by jas67 » Aug 14 2022 10:15am » in Battery Technology

5 Replies

140 Views

Last post by jas67
Aug 19 2022 12:10am
Mid-Drive Motor Tangent Accent 6000w

Last post by ropower86 « Aug 18 2022 10:48pm
Posted in Items for Sale - Used

by ropower86 » Aug 18 2022 10:48pm » in Items for Sale - Used

0 Replies

42 Views

Last post by ropower86
Aug 18 2022 10:48pm
Modular Battery suitcase

Last post by Dui, ni shuo de dui « Aug 18 2022 10:04pm
Posted in Battery Technology
Replies: 4
by Dui, ni shuo de dui » Aug 12 2022 3:21am » in Battery Technology

4 Replies

203 Views

Last post by Dui, ni shuo de dui
Aug 18 2022 10:04pm
E-S Stealth Electric Bike Owners

Last post by Theodore Voltaire « Aug 18 2022 9:48pm
Posted in EBike Build Threads
Replies: 18894
by voicecoils » Dec 30 2010 6:37am » in EBike Build Threads
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18894 Replies

2070742 Views

Last post by Theodore Voltaire
Aug 18 2022 9:48pm
"Every available accessable shuttle bus East of the Mississippi":

Last post by nicobie « Aug 18 2022 8:33pm
Posted in General Discussion
Replies: 4
by Stealth_Chopper » Aug 18 2022 3:16pm » in General Discussion

4 Replies

56 Views

Last post by nicobie
Aug 18 2022 8:33pm
My new electric motorcycle

Last post by Albie72 « Aug 18 2022 7:49pm
Posted in EScooters/EMotorcycles
Replies: 74
by Albie72 » Feb 20 2021 9:57am » in EScooters/EMotorcycles
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74 Replies

4398 Views

Last post by Albie72
Aug 18 2022 7:49pm
Axiom: a 100kW+ motor controller

Last post by HighHopes « Aug 18 2022 7:29pm
Posted in Motor Technology
Replies: 596
by marcos » Jun 22 2017 3:27pm » in Motor Technology
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596 Replies

148324 Views

Last post by HighHopes
Aug 18 2022 7:29pm
What size battery do I have?

Last post by ebuilder « Aug 18 2022 5:10pm
Posted in EBike Technical
Replies: 3
by arcticfly » Aug 17 2022 2:01am » in EBike Technical

3 Replies

98 Views

Last post by ebuilder
Aug 18 2022 5:10pm
Bafang BSO2 shuts down for hours

Last post by ebuilder « Aug 18 2022 4:59pm
Posted in EBike Troubleshooting
Replies: 3
by libbybikes » Aug 18 2022 3:01pm » in EBike Troubleshooting

3 Replies

53 Views

Last post by ebuilder
Aug 18 2022 4:59pm
Cycle Analyst V3 preview and first beta release

Last post by lightrush « Aug 18 2022 4:48pm
Posted in EBike Reviews & Testing
Replies: 4798
by justin_le » Mar 23 2012 2:56am » in EBike Reviews & Testing
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4798 Replies

990479 Views

Last post by lightrush
Aug 18 2022 4:48pm
best Bafang Mid Drive option for off-road trike? No human power input

Last post by PaPaSteve « Aug 18 2022 4:37pm
Posted in EBike Non-hub Motor Drives
Replies: 9
by Amber » Aug 04 2022 9:52am » in EBike Non-hub Motor Drives

9 Replies

353 Views

Last post by PaPaSteve
Aug 18 2022 4:37pm
What is your watt usage at 15 mph?

Last post by BalorNG « Aug 18 2022 2:45pm
Posted in EBike General Discussion
Replies: 17
by Gorillazilla » Aug 16 2022 9:33am » in EBike General Discussion

17 Replies

330 Views

Last post by BalorNG
Aug 18 2022 2:45pm
Need Input for Trek Farley 7 Fat Bike Build

Last post by Nuckingfuts « Aug 18 2022 2:36pm
Posted in EBike Build Threads
Replies: 11
by Nuckingfuts » Aug 09 2022 2:30pm » in EBike Build Threads

11 Replies

318 Views

Last post by Nuckingfuts
Aug 18 2022 2:36pm
Zero motorcycle battery

Last post by Tussb442 « Aug 18 2022 2:01pm
Posted in EScooters/EMotorcycles
Replies: 2
by Tussb442 » Aug 17 2022 9:29pm » in EScooters/EMotorcycles

2 Replies

83 Views

Last post by Tussb442
Aug 18 2022 2:01pm

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