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Electric Vehicle Technology

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  • E-Vehicles General Discussion
    General Discussion about electric vehicles.
    Topics: 2560
    2560 Topics
    30602 Posts
    Last post EV Myths - add your own!
    by ChargePoint View the latest post
    Jul 15, 2018 4:54 pm
  • Battery Technology
    Batteries, Chargers, and Battery Management Systems.
    Topics: 11293
    11293 Topics
    182721 Posts
    Last post Re: BMW i3 Batteries
    by litespeed View the latest post
    Jul 15, 2018 7:55 pm
  • EV Business World
    Topics related to EV businesses
    Topics: 368
    368 Topics
    5094 Posts
    Last post Re: Tesla Model 3
    by Hillhater View the latest post
    Jul 07, 2018 2:48 am
  • Motor Technology
    Electric Motors and Controllers
    Topics: 2422
    2422 Topics
    55234 Posts
    Last post Re: KT motor controllers -- F…
    by casainho View the latest post
    Jul 15, 2018 3:26 pm
  • Active topics
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    Views
    Last post
  • Lithium Batteries Shipping Rules Discussions
    Last post by pahorpet « Jul 11, 2018 10:07 am
    Replies: 276
    by RLT » Sep 13, 2008 1:28 am
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    276 Replies
    42075 Views
    Last post by pahorpet
    Jul 11, 2018 10:07 am
  • Thread for new battery breakthrough PR releases
    Last post by rojitorUser avatar « Jul 02, 2018 11:56 am
    Replies: 1509
    by Doctorbass » Nov 06, 2007 11:32 pm
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    • 58
    • 59
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    • 61
    1509 Replies
    144075 Views
    Last post by rojitorUser avatar
    Jul 02, 2018 11:56 am
  • ES DIY Motor Challenge
    Last post by Chavis « Apr 26, 2018 7:39 pm
    Replies: 318
    by Miles » Nov 28, 2009 5:05 pm
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    318 Replies
    84466 Views
    Last post by Chavis
    Apr 26, 2018 7:39 pm
  • Taking Charge: Let's Develop the Products That We Want!
    Last post by casainho « Mar 31, 2018 3:11 pm
    Replies: 31
    by RevDon » Dec 13, 2007 2:17 pm
    • 1
    • 2
    31 Replies
    19013 Views
    Last post by casainho
    Mar 31, 2018 3:11 pm
  • PM Motor theory - formulae etc.
    Last post by amberwolfUser avatar « Feb 18, 2018 3:58 am
    Replies: 71
    by Miles » Feb 19, 2010 9:19 am
    • 1
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    • 3
    71 Replies
    26816 Views
    Last post by amberwolfUser avatar
    Feb 18, 2018 3:58 am
  • Sticky thread index for "Battery Technology"
    Last post by spinningmagnetsUser avatar « Aug 07, 2017 8:33 pm
    Replies: 5
    by spinningmagnets » May 25, 2015 7:59 am
    5 Replies
    11556 Views
    Last post by spinningmagnetsUser avatar
    Aug 07, 2017 8:33 pm
  • RC Lipo series charging tutorial
    Last post by Jon NCal « Mar 07, 2017 2:50 pm
    Replies: 167
    by neptronix » Aug 01, 2013 6:28 am
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    167 Replies
    59316 Views
    Last post by Jon NCal
    Mar 07, 2017 2:50 pm
  • Resources
    Last post by MilesUser avatar « Apr 23, 2016 4:21 am
    Replies: 27
    by Miles » Feb 04, 2010 3:22 pm
    • 1
    • 2
    27 Replies
    17917 Views
    Last post by MilesUser avatar
    Apr 23, 2016 4:21 am
  • Sticky thread index for "Motor Technology"
    Last post by spinningmagnetsUser avatar « May 25, 2015 8:06 am
    Replies: 2
    by spinningmagnets » May 25, 2015 8:06 am
    2 Replies
    6077 Views
    Last post by spinningmagnetsUser avatar
    May 25, 2015 8:06 am
  • How Motors Work - some educational links
    Last post by jpgeyUser avatar « Mar 20, 2015 8:12 am
    Replies: 13
    by fechter » Feb 02, 2007 10:39 am
    13 Replies
    22739 Views
    Last post by jpgeyUser avatar
    Mar 20, 2015 8:12 am
  • Battery F.A.Q - Compilation of good stuff !
    Last post by YpedalUser avatar « Jan 27, 2014 12:07 pm
    Replies: 28
    by Ypedal » Apr 03, 2011 9:07 am
    • 1
    • 2
    28 Replies
    63570 Views
    Last post by YpedalUser avatar
    Jan 27, 2014 12:07 pm
  • BMW i3 Batteries
    Last post by litespeed « Jul 15, 2018 7:55 pm
    Replies: 15
    by Suggs » Jul 13, 2018 5:36 am
    15 Replies
    234 Views
    Last post by litespeed
    Jul 15, 2018 7:55 pm
  • Affordable spot welder for huge packs
    Last post by thunderheartUser avatar « Jul 15, 2018 6:02 pm
    Replies: 8
    by rg12 » Jun 23, 2018 1:35 pm
    8 Replies
    212 Views
    Last post by thunderheartUser avatar
    Jul 15, 2018 6:02 pm
  • Sorensen DCS Series - Modification and Repair Thread
    Last post by methodsUser avatar « Jul 15, 2018 5:41 pm
    Replies: 27
    by methods » Jul 11, 2018 11:12 am
    • 1
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    27 Replies
    143 Views
    Last post by methodsUser avatar
    Jul 15, 2018 5:41 pm
  • EV Myths - add your own!
    Last post by ChargePoint « Jul 15, 2018 4:54 pm
    by ChargePoint » Jul 15, 2018 4:54 pm
    0 Replies
    15 Views
    Last post by ChargePoint
    Jul 15, 2018 4:54 pm
  • KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)
    Last post by casainho « Jul 15, 2018 3:26 pm
    Replies: 2726
    by casainho » Apr 25, 2017 8:37 pm
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    2726 Replies
    90395 Views
    Last post by casainho
    Jul 15, 2018 3:26 pm
  • Keeping Charger always on Bike (plugged in to battery)? bad?
    Last post by amberwolfUser avatar « Jul 15, 2018 2:52 pm
    Replies: 3
    by banthony1 » Jul 15, 2018 11:57 am
    3 Replies
    42 Views
    Last post by amberwolfUser avatar
    Jul 15, 2018 2:52 pm
  • ME0810 doesnt run but continuous clicking heard
    Last post by amberwolfUser avatar « Jul 15, 2018 2:04 pm
    Replies: 12
    by thoroughbred » Jul 10, 2018 10:11 am
    12 Replies
    115 Views
    Last post by amberwolfUser avatar
    Jul 15, 2018 2:04 pm
  • QS 3000w midmotor
    Last post by larsb « Jul 15, 2018 1:47 pm
    Replies: 28
    by bionicon » Apr 04, 2018 9:34 am
    • 1
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    28 Replies
    1251 Views
    Last post by larsb
    Jul 15, 2018 1:47 pm
  • 18650 pack mass-produced video, 4 minutes
    Last post by thunderheartUser avatar « Jul 15, 2018 1:09 pm
    Replies: 1
    by spinningmagnets » Jul 15, 2018 10:15 am
    1 Replies
    48 Views
    Last post by thunderheartUser avatar
    Jul 15, 2018 1:09 pm
  • Varicore Batteries
    Last post by thunderheartUser avatar « Jul 15, 2018 12:54 pm
    Replies: 4
    by tomtom50 » Jul 14, 2018 3:59 pm
    4 Replies
    69 Views
    Last post by thunderheartUser avatar
    Jul 15, 2018 12:54 pm
  • yet another solderless DIY battery pack via NIB's
    Last post by rojitorUser avatar « Jul 15, 2018 10:02 am
    Replies: 225
    by radad » Jun 05, 2014 5:58 pm
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    225 Replies
    51882 Views
    Last post by rojitorUser avatar
    Jul 15, 2018 10:02 am
  • Homemade Battery Packs
    Last post by DrkAngelUser avatar « Jul 15, 2018 7:49 am
    Replies: 1559
    by DrkAngel » Mar 27, 2011 10:20 am
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    1559 Replies
    355122 Views
    Last post by DrkAngelUser avatar
    Jul 15, 2018 7:49 am
  • 788 spot welder
    Last post by georget « Jul 15, 2018 2:52 am
    Replies: 98
    by burningwings » May 14, 2015 10:13 pm
    • 1
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    98 Replies
    13828 Views
    Last post by georget
    Jul 15, 2018 2:52 am
  • bluetooth BMS?
    Last post by Alex07 « Jul 15, 2018 1:01 am
    Replies: 558
    by aethyr » Jun 02, 2017 12:57 pm
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    558 Replies
    24684 Views
    Last post by Alex07
    Jul 15, 2018 1:01 am
  • Any Recommendations for a Cheap 14s BMS?
    Last post by Jacob's Ladder « Jul 15, 2018 12:16 am
    Replies: 2
    by Jacob's Ladder » Jul 14, 2018 10:50 pm
    2 Replies
    28 Views
    Last post by Jacob's Ladder
    Jul 15, 2018 12:16 am
  • Wind and Solar vs Coal, Gasoline, Nuclear
    Last post by Toorbough ULL-ZeveighUser avatar « Jul 14, 2018 6:12 pm
    Replies: 2193
    by Hillhater » Jun 05, 2017 4:38 pm
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    2193 Replies
    66210 Views
    Last post by Toorbough ULL-ZeveighUser avatar
    Jul 14, 2018 6:12 pm
  • Model 3
    Last post by macribsUser avatar « Jul 14, 2018 5:08 pm
    Replies: 92
    by recumpence » Feb 22, 2018 8:50 pm
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    92 Replies
    3932 Views
    Last post by macribsUser avatar
    Jul 14, 2018 5:08 pm
  • NiMH to Li-Ion Battery Conversion
    Last post by flippyUser avatar « Jul 14, 2018 4:07 pm
    Replies: 4
    by Astudillo » Jul 14, 2018 10:23 am
    4 Replies
    56 Views
    Last post by flippyUser avatar
    Jul 14, 2018 4:07 pm
  • kWeld - "Next level" DIY battery spot welder
    Last post by sacko « Jul 14, 2018 3:08 pm
    Replies: 371
    by tatus1969 » Jun 21, 2017 6:26 pm
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    371 Replies
    42875 Views
    Last post by sacko
    Jul 14, 2018 3:08 pm
  • Capacitor bank for spot welder
    Last post by rg12User avatar « Jul 14, 2018 11:24 am
    Replies: 13
    by rg12 » Jul 12, 2018 5:02 pm
    13 Replies
    130 Views
    Last post by rg12User avatar
    Jul 14, 2018 11:24 am
  • Speedict neptune lite
    Last post by rosich « Jul 14, 2018 11:20 am
    Replies: 68
    by cwah » Oct 10, 2015 7:27 am
    • 1
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    • 3
    68 Replies
    4772 Views
    Last post by rosich
    Jul 14, 2018 11:20 am
  • Sevcon Gen4 Drive and DVT Software
    Last post by felipe@potencia « Jul 14, 2018 8:57 am
    Replies: 2
    by bernext » Apr 20, 2018 9:25 am
    2 Replies
    265 Views
    Last post by felipe@potencia
    Jul 14, 2018 8:57 am
  • Li-ion 4.35V: How much do we lose by charging it at 4.20V?
    Last post by thunderheartUser avatar « Jul 14, 2018 3:38 am
    Replies: 9
    by thunderheart » Jul 12, 2018 4:45 am
    9 Replies
    203 Views
    Last post by thunderheartUser avatar
    Jul 14, 2018 3:38 am
  • eBike Master Switch Design
    Last post by -dg « Jul 14, 2018 1:32 am
    Replies: 331
    by Alan B » Oct 06, 2013 9:28 am
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    331 Replies
    27431 Views
    Last post by -dg
    Jul 14, 2018 1:32 am
  • BMS for 48V to 400V lithium-ion battery pack
    Last post by fechterUser avatar « Jul 13, 2018 2:29 pm
    Replies: 5
    by ENNOID » Feb 20, 2018 8:22 pm
    5 Replies
    741 Views
    Last post by fechterUser avatar
    Jul 13, 2018 2:29 pm
  • Controller for low voltage high current
    Last post by amberwolfUser avatar « Jul 13, 2018 2:03 pm
    Replies: 6
    by Solexelec » Jun 29, 2018 4:31 am
    6 Replies
    151 Views
    Last post by amberwolfUser avatar
    Jul 13, 2018 2:03 pm
  • BATTERY WELD TAB -SIGMACLAD
    Last post by luminuty « Jul 13, 2018 1:17 pm
    by luminuty » Jul 13, 2018 1:17 pm
    0 Replies
    33 Views
    Last post by luminuty
    Jul 13, 2018 1:17 pm
  • 52V bms
    Last post by x.l.r.8User avatar « Jul 13, 2018 11:21 am
    Replies: 1
    by Monti » Jun 27, 2018 8:56 pm
    1 Replies
    82 Views
    Last post by x.l.r.8User avatar
    Jul 13, 2018 11:21 am
  • Recommended charger for 12s, 4.1 per cell (49.2V)?
    Last post by x.l.r.8User avatar « Jul 13, 2018 11:16 am
    Replies: 10
    by Baron » Jun 27, 2018 6:04 pm
    10 Replies
    243 Views
    Last post by x.l.r.8User avatar
    Jul 13, 2018 11:16 am
  • Power PCB for Lebowski Controller to be combined with Bobc's processor board
    Last post by emmgeeUser avatar « Jul 13, 2018 10:56 am
    Replies: 162
    by Lebowski » Nov 27, 2017 5:51 am
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    162 Replies
    8074 Views
    Last post by emmgeeUser avatar
    Jul 13, 2018 10:56 am
  • ULtra Compact 1800W charger + Eltek programming
    Last post by pm_dawn « Jul 13, 2018 5:51 am
    Replies: 249
    by Doctorbass » Jul 18, 2015 12:06 am
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    249 Replies
    30067 Views
    Last post by pm_dawn
    Jul 13, 2018 5:51 am
  • Kelly Phase Amps to Battery Amps
    Last post by kebekua « Jul 13, 2018 2:32 am
    Replies: 52
    by rg12 » Jun 14, 2018 5:23 am
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    52 Replies
    645 Views
    Last post by kebekua
    Jul 13, 2018 2:32 am
  • Lightweight lithium battery for car
    Last post by DVDRW « Jul 13, 2018 1:53 am
    Replies: 13
    by flat tire » Jun 22, 2018 8:59 pm
    13 Replies
    430 Views
    Last post by DVDRW
    Jul 13, 2018 1:53 am
  • Spot welder doesn't work with 0.15mm pure nickel
    Last post by DVDRW « Jul 13, 2018 1:31 am
    Replies: 14
    by rg12 » Feb 15, 2017 4:04 am
    14 Replies
    752 Views
    Last post by DVDRW
    Jul 13, 2018 1:31 am
  • Revolt RV-series motor review and comparisons
    Last post by ElectricGodUser avatar « Jul 12, 2018 11:44 pm
    Replies: 45
    by ElectricGod » Jun 27, 2018 4:01 pm
    • 1
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    45 Replies
    754 Views
    Last post by ElectricGodUser avatar
    Jul 12, 2018 11:44 pm
  • Cooling fans inside Hub motors
    Last post by OffroaderUser avatar « Jul 12, 2018 10:46 pm
    Replies: 486
    by Cowardlyduck » Feb 01, 2014 11:57 pm
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    486 Replies
    59260 Views
    Last post by OffroaderUser avatar
    Jul 12, 2018 10:46 pm
  • Fuse-wire for individual cells, DIY Tesla style
    Last post by Addy « Jul 12, 2018 4:00 pm
    Replies: 68
    by spinningmagnets » May 02, 2017 7:43 pm
    • 1
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    68 Replies
    6644 Views
    Last post by Addy
    Jul 12, 2018 4:00 pm
  • Highest capacity 18650 cells
    Last post by flippyUser avatar « Jul 12, 2018 3:42 pm
    Replies: 36
    by ryan1685 » Apr 28, 2018 12:18 am
    • 1
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    36 Replies
    1258 Views
    Last post by flippyUser avatar
    Jul 12, 2018 3:42 pm
  • Opportunity Charging in the UK/Belgium/Holland
    Last post by grindz145User avatar « Jul 12, 2018 1:27 pm
    Replies: 9
    by grindz145 » Jul 05, 2018 12:54 pm
    9 Replies
    189 Views
    Last post by grindz145User avatar
    Jul 12, 2018 1:27 pm

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