Battery Technology

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The rules of endless sphere.

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Welcome Message to New Members

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by amberwolf » Aug 07 2016 6:59pm » in General Discussion

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Jul 24 2020 7:11pm
Adding pictures?

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by deronmoped » Dec 11 2009 12:59pm » in General Discussion
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Aug 19 2021 4:34pm

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Thread for new battery breakthrough PR releases

Last post by speedmd « Oct 25 2021 7:53am
Replies: 1769
by Doctorbass » Nov 06 2007 11:32pm
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Last post by speedmd
Oct 25 2021 7:53am
Lithium Batteries Shipping Rules Discussions

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by RLT » Sep 13 2008 1:28am
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Last post by m3vuv
Sep 02 2021 9:43am
RC Lipo pack inspection, series/parallel charging, and lifespan/safety tips

Last post by tomjasz « Sep 24 2019 12:14am
Replies: 172
by neptronix » Aug 01 2013 6:28am
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108543 Views

Last post by tomjasz
Sep 24 2019 12:14am
Sticky thread index for "Battery Technology"

Last post by spinningmagnets « Aug 07 2017 8:33pm
Replies: 5
by spinningmagnets » May 25 2015 7:59am

5 Replies

23796 Views

Last post by spinningmagnets
Aug 07 2017 8:33pm
Battery F.A.Q - Compilation of good stuff !

Last post by Ypedal « Jan 27 2014 12:07pm
Replies: 28
by Ypedal » Apr 03 2011 9:07am
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85160 Views

Last post by Ypedal
Jan 27 2014 12:07pm
Li-ion cells cycle ageing

Last post by Pajda « Oct 28 2021 12:24pm
Replies: 567
by docware » Nov 03 2019 6:36am
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67842 Views

Last post by Pajda
Oct 28 2021 12:24pm
Where can I find a BMS that can manage 2 lipo packs?

Last post by karim-humanitas « Oct 28 2021 10:04am
Replies: 2
by karim-humanitas » Oct 27 2021 4:06pm

2 Replies

42 Views

Last post by karim-humanitas
Oct 28 2021 10:04am
kWeld - "Next level" DIY battery spot welder

Last post by spinningmagnets « Oct 28 2021 9:09am
Replies: 1488
by tatus1969 » Jun 21 2017 6:26pm
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225462 Views

Last post by spinningmagnets
Oct 28 2021 9:09am
Is BMS really necessary?

Last post by elbotas2700 « Oct 27 2021 9:27pm
Replies: 13
by ebike11 » May 28 2017 4:19am

13 Replies

1922 Views

Last post by elbotas2700
Oct 27 2021 9:27pm
APL's Pressure Contact Battery box

Last post by APL « Oct 27 2021 6:02pm
Replies: 56
by APL » Aug 26 2021 2:36pm
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1474 Views

Last post by APL
Oct 27 2021 6:02pm
Joining 2x 7s21p Batterypacks

Last post by transposon « Oct 27 2021 5:09pm
Replies: 5
by SackofFluor » Oct 22 2021 12:49pm

5 Replies

153 Views

Last post by transposon
Oct 27 2021 5:09pm
U004 Battery: changing BMS

Last post by pwd « Oct 27 2021 10:29am
Replies: 1
by Kaio_ » Oct 26 2021 8:01pm

1 Replies

57 Views

Last post by pwd
Oct 27 2021 10:29am
bad charger or bad bms?

Last post by docw009 « Oct 26 2021 1:21am
Replies: 3
by harmonist » Oct 25 2021 6:58pm

3 Replies

79 Views

Last post by docw009
Oct 26 2021 1:21am
Used Cells battery build

Last post by nalu808 « Oct 25 2021 9:49pm

by nalu808 » Oct 25 2021 9:49pm

0 Replies

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Last post by nalu808
Oct 25 2021 9:49pm
Molicel P42a cycle test

Last post by Pajda « Oct 24 2021 4:36am
Replies: 56
by goatman » Aug 01 2020 12:38am
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3520 Views

Last post by Pajda
Oct 24 2021 4:36am
Old laptop cells, ebike battery build

Last post by JayKhan « Oct 23 2021 5:24pm
Replies: 10
by mnplus1556 » Nov 28 2012 4:25pm

10 Replies

2064 Views

Last post by JayKhan
Oct 23 2021 5:24pm
today hardcore ebike battery reapair

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by batteryGOLD » Oct 22 2021 5:19pm

7 Replies

166 Views

Last post by 999zip999
Oct 23 2021 3:25pm
Constant current on nickel, not sure if will heat up

Last post by spinningmagnets « Oct 22 2021 7:21pm
Replies: 1
by rg12 » Oct 22 2021 5:12pm

1 Replies

83 Views

Last post by spinningmagnets
Oct 22 2021 7:21pm
Common pack design mistakes, how to avoid?

Last post by pwd « Oct 22 2021 12:42pm
Replies: 331
by Allex » Oct 24 2016 5:54pm
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71073 Views

Last post by pwd
Oct 22 2021 12:42pm
Hot Swappable Battery - 1000A @ 12v or 24V?

Last post by DogDipstick « Oct 21 2021 10:31pm
Replies: 14
by curtis.perrin » Oct 14 2021 4:05pm

14 Replies

424 Views

Last post by DogDipstick
Oct 21 2021 10:31pm
Open source BMS for 48V to 400V lithium-ion battery pack

Last post by ENNOID « Oct 21 2021 2:51pm
Replies: 338
by ENNOID » Feb 20 2018 8:22pm
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63237 Views

Last post by ENNOID
Oct 21 2021 2:51pm
BMS Question.

Last post by electric_nz « Oct 21 2021 2:44pm
Replies: 5
by Noosi » Oct 20 2021 5:33am

5 Replies

179 Views

Last post by electric_nz
Oct 21 2021 2:44pm
Waterlogged lite speed lite bee battery

Last post by docw009 « Oct 21 2021 12:02pm
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by thoroughbred » Oct 13 2021 6:57pm

15 Replies

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Last post by docw009
Oct 21 2021 12:02pm
0.5v on 6v 235ah crowns

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by goatman » Oct 18 2021 7:49pm

2 Replies

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Last post by eMark
Oct 21 2021 10:38am
Chargery C10325 not doing CV phase?

Last post by john61ct « Oct 21 2021 5:47am
Replies: 50
by div » Feb 16 2021 7:29pm
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1248 Views

Last post by john61ct
Oct 21 2021 5:47am
Ebike Battery pack got unbalanced. Reasons?

Last post by eikido « Oct 21 2021 5:24am
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by eikido » Oct 13 2021 3:55am

14 Replies

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Last post by eikido
Oct 21 2021 5:24am
DIY Arduino timed spot-welder, FET-switched, adj. pulse

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Replies: 60
by flangefrog » Sep 08 2016 6:38am
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Last post by Silvaticus
Oct 19 2021 5:25pm
Li-Ion Cylindrical Cell Battery Pack Remaining Capacity v Resting Voltage Table

Last post by Silvaticus « Oct 19 2021 4:35pm
Replies: 1
by BVH » Oct 18 2021 6:55pm

1 Replies

103 Views

Last post by Silvaticus
Oct 19 2021 4:35pm
Modular Battery build

Last post by shabtronic « Oct 18 2021 6:48pm
Replies: 10
by shabtronic » Sep 28 2021 8:13pm

10 Replies

349 Views

Last post by shabtronic
Oct 18 2021 6:48pm
Large Charger for 21700 cells, 50-100 cells simultaneously

Last post by veer « Oct 18 2021 7:38am
Replies: 4
by veer » Oct 14 2021 3:36am

4 Replies

237 Views

Last post by veer
Oct 18 2021 7:38am
Molicell P42a 20s13p Build

Last post by atkforever « Oct 18 2021 3:37am
Replies: 6
by Reecew89 » Oct 08 2021 7:37pm

6 Replies

357 Views

Last post by atkforever
Oct 18 2021 3:37am
BMS needed on four 12v batteries in series?

Last post by john61ct « Oct 17 2021 8:16am
Replies: 2
by pongyboy1 » Oct 17 2021 4:47am

2 Replies

100 Views

Last post by john61ct
Oct 17 2021 8:16am
Rectifier Huawei R4850G2 48V 42~58V 3000w

Last post by JayKhan « Oct 16 2021 1:49pm
Replies: 162
by vicens » Jan 20 2017 11:18am
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34595 Views

Last post by JayKhan
Oct 16 2021 1:49pm
four failed smart bms's

Last post by robb « Oct 16 2021 4:20am
Replies: 12
by robb » Sep 29 2021 3:25pm

12 Replies

549 Views

Last post by robb
Oct 16 2021 4:20am
heat shrink size for 14s6p triangle batttery

Last post by markz « Oct 15 2021 1:00am
Replies: 1
by davidpearlstein » Oct 14 2021 2:35pm

1 Replies

92 Views

Last post by markz
Oct 15 2021 1:00am
today citycoco battery repair hardcore

Last post by batteryGOLD « Oct 13 2021 4:16pm

by batteryGOLD » Oct 13 2021 4:16pm

0 Replies

93 Views

Last post by batteryGOLD
Oct 13 2021 4:16pm
Quick question about pack design idea

Last post by UDMH_and_N2O4 « Oct 13 2021 12:07pm
Replies: 12
by garolittle » Oct 12 2021 12:36pm

12 Replies

308 Views

Last post by UDMH_and_N2O4
Oct 13 2021 12:07pm
Spot Welding Copper Strips to 18650 Battery Cells

Last post by john61ct « Oct 12 2021 4:16pm
Replies: 545
by mkp007 » Nov 06 2016 7:44pm
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95089 Views

Last post by john61ct
Oct 12 2021 4:16pm
Power Tool Batteries

Last post by miro13car « Oct 12 2021 11:17am
Replies: 1
by TheSiege » Oct 08 2021 9:55am

1 Replies

183 Views

Last post by miro13car
Oct 12 2021 11:17am
Paper or Plastic ... O-ring gasket for cylindrical lithium ion cells

Last post by garolittle « Oct 11 2021 11:37pm
Replies: 2
by garolittle » Oct 11 2021 2:07pm

2 Replies

157 Views

Last post by garolittle
Oct 11 2021 11:37pm
PAS level and battery range: is it normal?

Last post by MaximilianMM « Oct 11 2021 10:42pm
Replies: 15
by MaximilianMM » Oct 06 2021 12:46am

15 Replies

292 Views

Last post by MaximilianMM
Oct 11 2021 10:42pm
BMS identification

Last post by kgff « Oct 10 2021 3:26am

by kgff » Oct 10 2021 3:26am

0 Replies

106 Views

Last post by kgff
Oct 10 2021 3:26am
Building a 12v Van Battery

Last post by ZeroEm « Oct 09 2021 6:14pm
Replies: 5
by danmar713 » Oct 07 2021 2:53pm

5 Replies

192 Views

Last post by ZeroEm
Oct 09 2021 6:14pm
Think i overdischarged battery pack

Last post by jonyjoe303 « Oct 09 2021 12:17pm
Replies: 3
by adamjs16@gmail.com » Oct 06 2021 3:00pm

3 Replies

170 Views

Last post by jonyjoe303
Oct 09 2021 12:17pm
suron bee Test drive real POV video 2:30min

Last post by batteryGOLD « Oct 08 2021 7:22pm

by batteryGOLD » Oct 08 2021 7:22pm

0 Replies

114 Views

Last post by batteryGOLD
Oct 08 2021 7:22pm
Building a 12v Van Battery

Last post by ZeroEm « Oct 08 2021 11:04am
Replies: 6
by danmar713 » Sep 21 2021 4:21pm

6 Replies

295 Views

Last post by ZeroEm
Oct 08 2021 11:04am
BMS opinions

Last post by DogDipstick « Oct 08 2021 2:31am
Replies: 18
by Reecew89 » Oct 04 2021 7:07pm

18 Replies

403 Views

Last post by DogDipstick
Oct 08 2021 2:31am
What thickness of pure nickle strip to use?

Last post by DMC « Oct 08 2021 12:28am
Replies: 3
by noa_mocan » Oct 06 2021 3:23am

3 Replies

194 Views

Last post by DMC
Oct 08 2021 12:28am
The Cycle Satiator, universal charger for the enthusiasts

Last post by Chalo « Oct 07 2021 11:42pm
Replies: 865
by justin_le » May 26 2014 5:20am
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159910 Views

Last post by Chalo
Oct 07 2021 11:42pm
Looking for advice setting up battery using high current cells

Last post by Shockwave333 « Oct 07 2021 2:23pm
Replies: 5
by Shockwave333 » Oct 06 2021 11:08pm

5 Replies

143 Views

Last post by Shockwave333
Oct 07 2021 2:23pm

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