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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Thread for new battery breakthrough PR releases

Last post by speedmd « May 27 2022 8:59am
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by Doctorbass » Nov 06 2007 11:32pm
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Last post by speedmd
May 27 2022 8:59am
Lithium Batteries Shipping Rules Discussions

Last post by m3vuv « Sep 02 2021 9:43am
Replies: 292
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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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

25372 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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87633 Views

Last post by Ypedal
Jan 27 2014 12:07pm
DIY pack 18650 lithium safe

Last post by EMX_USD « May 27 2022 4:28am
Replies: 10
by EMX_USD » Apr 13 2020 5:45am

10 Replies

583 Views

Last post by EMX_USD
May 27 2022 4:28am
ANT BMS Why lost bluetooth signal and how restart?

Last post by EMX_USD « May 27 2022 4:24am
Replies: 3
by EMX_USD » Apr 15 2021 3:19am

3 Replies

261 Views

Last post by EMX_USD
May 27 2022 4:24am
What limits LiFEPO4 "12v drop-in" wired in series to 48v?

Last post by amberwolf « May 26 2022 7:24pm
Replies: 3
by iconoclast » May 25 2022 3:30pm

3 Replies

79 Views

Last post by amberwolf
May 26 2022 7:24pm
Split battery into two packs?

Last post by amberwolf « May 26 2022 7:17pm
Replies: 9
by carboncanyon » May 03 2022 12:31pm

9 Replies

316 Views

Last post by amberwolf
May 26 2022 7:17pm
Understanding and Using EGO Power+ Batteries

Last post by surferdudemi « May 26 2022 4:36pm
Replies: 121
by Alan B » Mar 31 2018 9:00pm
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72379 Views

Last post by surferdudemi
May 26 2022 4:36pm
smart bms settings

Last post by eMark « May 26 2022 2:47pm
Replies: 18
by m3vuv » Sep 01 2021 3:30pm

18 Replies

244 Views

Last post by eMark
May 26 2022 2:47pm
New Samsung cell 33G

Last post by john61ct « May 26 2022 2:12pm
Replies: 35
by Overclocker » Feb 17 2017 6:55am
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8199 Views

Last post by john61ct
May 26 2022 2:12pm
Panasonic NCR21700T

Last post by saucerful « May 26 2022 2:05pm
Replies: 14
by Pajda » Jan 02 2021 5:59am

14 Replies

1777 Views

Last post by saucerful
May 26 2022 2:05pm
24 vdc-36 vdc-48vdc batterys

Last post by fechter « May 25 2022 2:57pm
Replies: 7
by 2FAST4ME » May 23 2022 9:39pm

7 Replies

85 Views

Last post by fechter
May 25 2022 2:57pm
Should I replace a bent cell?

Last post by fechter « May 25 2022 2:47pm
Replies: 12
by endrew » May 23 2022 9:41am

12 Replies

172 Views

Last post by fechter
May 25 2022 2:47pm
Lime scooter battery balanced early

Last post by Mobilis « May 25 2022 12:05pm
Replies: 3
by Ghz24 » Apr 11 2022 1:28pm

3 Replies

226 Views

Last post by Mobilis
May 25 2022 12:05pm
icharger failures, detail how your icharger failed

Last post by whatever « May 25 2022 7:57am
Replies: 61
by dnmun » Apr 28 2013 12:20pm
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Last post by whatever
May 25 2022 7:57am
LG Chem Volvo v60/90 hybrid.

Last post by saki « May 25 2022 6:31am

by saki » May 25 2022 6:31am

0 Replies

49 Views

Last post by saki
May 25 2022 6:31am
The Cycle Satiator, universal charger for the enthusiasts

Last post by tomjasz « May 24 2022 10:23pm
Replies: 896
by justin_le » May 26 2014 5:20am
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Last post by tomjasz
May 24 2022 10:23pm
Where do you buy your batteries for ebikes for making cheap good batteries of 36-72 volts??

Last post by eMark « May 24 2022 7:17pm
Replies: 6
by E-driver_ » May 22 2022 6:41am

6 Replies

214 Views

Last post by eMark
May 24 2022 7:17pm
Homemade Battery Packs

Last post by DogDipstick « May 24 2022 6:51am
Replies: 1753
by DrkAngel » Mar 27 2011 10:20am
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545503 Views

Last post by DogDipstick
May 24 2022 6:51am
Common port charging problem

Last post by Treebeard « May 24 2022 6:49am
Replies: 3
by Treebeard » May 23 2022 9:27pm

3 Replies

64 Views

Last post by Treebeard
May 24 2022 6:49am
Paralleling packs with a protection diode?

Last post by amberwolf « May 23 2022 6:39pm
Replies: 9
by rg12 » May 21 2022 6:28am

9 Replies

175 Views

Last post by amberwolf
May 23 2022 6:39pm
noob question- BMS for charge as balance/not discharge

Last post by eMark « May 22 2022 7:51pm
Replies: 2
by Spamh8r » May 20 2022 1:07am

2 Replies

103 Views

Last post by eMark
May 22 2022 7:51pm
Charging a 13s pack

Last post by justaperson76 « May 22 2022 7:28pm
Replies: 29
by justaperson76 » May 08 2022 8:50am
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645 Views

Last post by justaperson76
May 22 2022 7:28pm
Any reason to not go Straight for a 14s, 52v pack for my first battery?

Last post by eMark « May 22 2022 3:46pm
Replies: 28
by CONSIDERABLE SHOUTING » May 11 2022 10:53am
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933 Views

Last post by eMark
May 22 2022 3:46pm
My first of several stupid questions

Last post by MelloYello « May 22 2022 1:32pm
Replies: 13
by MelloYello » May 19 2022 9:33pm

13 Replies

204 Views

Last post by MelloYello
May 22 2022 1:32pm
Cycle life tests of High Energy density cylindrical cells

Last post by Pajda « May 22 2022 5:47am
Replies: 26
by Pajda » Dec 26 2021 8:15am
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26 Replies

2287 Views

Last post by Pajda
May 22 2022 5:47am
Best cell/pouch to use for more energy density

Last post by amberwolf « May 21 2022 9:05pm
Replies: 6
by TheSiege » May 11 2022 11:52am

6 Replies

336 Views

Last post by amberwolf
May 21 2022 9:05pm
Cycle life tests of High Power density cylindrical cells

Last post by Pajda « May 21 2022 12:15pm
Replies: 16
by Pajda » Dec 24 2021 9:22am

16 Replies

1668 Views

Last post by Pajda
May 21 2022 12:15pm
Bench Test Results: Molicel P45B - 50A 4500mAh 21700…an extraordinary cell!

Last post by goatman « May 21 2022 11:26am
Replies: 13
by CamLight » May 17 2022 3:02pm

13 Replies

470 Views

Last post by goatman
May 21 2022 11:26am
Battery Cell Identification

Last post by j bjork « May 20 2022 7:23am
Replies: 5
by Nils » May 18 2022 10:17am

5 Replies

171 Views

Last post by j bjork
May 20 2022 7:23am
Two different lithium batteries in series?

Last post by Scootdan « May 19 2022 8:11pm
Replies: 4
by Scootdan » May 19 2022 3:38pm

4 Replies

107 Views

Last post by Scootdan
May 19 2022 8:11pm
Lightweight & small battery options

Last post by HughF « May 19 2022 9:25am
Replies: 11
by scrolltonowhere » Mar 30 2022 4:12pm

11 Replies

484 Views

Last post by HughF
May 19 2022 9:25am
Lipo battery pack build question

Last post by Atxraider « May 18 2022 5:04pm
Replies: 4
by Atxraider » May 17 2022 12:16pm

4 Replies

130 Views

Last post by Atxraider
May 18 2022 5:04pm
107mph go kart on 28S/18P pack of Molicel P26A

Last post by Hillhater « May 18 2022 4:49pm
Replies: 16
by garolittle » May 13 2022 11:23pm

16 Replies

410 Views

Last post by Hillhater
May 18 2022 4:49pm
Paralleling batteries, separate charging ports & BMS

Last post by ynot « May 18 2022 4:48pm
Replies: 8
by ynot » May 15 2022 9:28am

8 Replies

179 Views

Last post by ynot
May 18 2022 4:48pm
Issues with balancing on new battery pack

Last post by pomah « May 18 2022 1:32pm
Replies: 9
by pomah » May 15 2022 2:47pm

9 Replies

195 Views

Last post by pomah
May 18 2022 1:32pm
When will 4680 cells be available to the public?

Last post by john61ct « May 17 2022 8:21am
Replies: 38
by Username1 » Nov 06 2021 8:59pm
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1948 Views

Last post by john61ct
May 17 2022 8:21am
Bms discharged completely parallel cell

Last post by fechter « May 16 2022 1:38pm
Replies: 1
by sahbin » May 16 2022 1:23pm

1 Replies

84 Views

Last post by fechter
May 16 2022 1:38pm
Ammeter and arduino to calculate real-time cumulative discharge. Sampling rate?

Last post by amberwolf « May 16 2022 12:21pm
Replies: 1
by DaisyVanDonk » May 16 2022 10:22am

1 Replies

71 Views

Last post by amberwolf
May 16 2022 12:21pm
20s LiFePo4 charger recommendations?

Last post by amberwolf « May 16 2022 11:18am
Replies: 8
by PJ01 » May 15 2022 10:56am

8 Replies

152 Views

Last post by amberwolf
May 16 2022 11:18am
What plug is this? Need help identifying a charger plug

Last post by koco « May 16 2022 9:58am
Replies: 4
by koco » May 15 2022 5:45pm

4 Replies

109 Views

Last post by koco
May 16 2022 9:58am
kWeld - "Next level" DIY battery spot welder

Last post by Allex « May 15 2022 4:03pm
Replies: 1548
by tatus1969 » Jun 21 2017 6:26pm
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Last post by Allex
May 15 2022 4:03pm
Coulometer blues

Last post by fechter « May 15 2022 9:58am
Replies: 9
by kenobi66 » May 07 2022 5:59pm

9 Replies

254 Views

Last post by fechter
May 15 2022 9:58am
Open source BMS for 48V to 400V lithium-ion battery pack

Last post by TheRealJohnnyB « May 13 2022 10:01am
Replies: 372
by ENNOID » Feb 20 2018 8:22pm
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71946 Views

Last post by TheRealJohnnyB
May 13 2022 10:01am
BMS w.bluetooth - question

Last post by Amperry417 « May 11 2022 8:59pm
Replies: 9
by Elektrosherpa » Apr 02 2022 1:41pm

9 Replies

528 Views

Last post by Amperry417
May 11 2022 8:59pm
Diy LiFoPo4 Battery & Charger Help

Last post by amberwolf « May 11 2022 12:32am
Replies: 3
by JuicyApple » May 09 2022 9:19pm

3 Replies

182 Views

Last post by amberwolf
May 11 2022 12:32am
Battery charging

Last post by amberwolf « May 09 2022 12:09pm
Replies: 1
by Peter Brigg » May 09 2022 1:48am

1 Replies

134 Views

Last post by amberwolf
May 09 2022 12:09pm
Connecting this battery to controller.

Last post by amberwolf « May 09 2022 12:02pm
Replies: 3
by Jeffclark151 » May 08 2022 5:33pm

3 Replies

141 Views

Last post by amberwolf
May 09 2022 12:02pm

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