Battery Managment (BMS)

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Shipping to US resumed

Last post by johu « Sat Jan 31, 2026 6:40 pm
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by johu » Sun Sep 07, 2025 3:30 pm » in General

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Forum Rules

Last post by johu « Mon Oct 21, 2024 10:00 am
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by johu » Mon Oct 21, 2024 10:00 am » in General

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Feature and Issue tracking

Last post by jerrykco « Mon Apr 21, 2025 6:14 pm
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by johu » Fri Oct 20, 2023 6:36 pm » in General

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Help Interpreting BMS data

Last post by ekohn04 « Tue Apr 30, 2024 3:56 am

by ekohn04 » Tue Apr 30, 2024 3:56 am

0 Replies

2858 Views

Last post by ekohn04
Tue Apr 30, 2024 3:56 am
Replacing the VW BMU aka implementing high level BMS functions

Last post by johu « Sun Apr 28, 2024 9:15 pm
Replies: 19
by johu » Mon Nov 20, 2023 8:27 pm

19 Replies

16181 Views

Last post by johu
Sun Apr 28, 2024 9:15 pm
BMS benchmarking and reverse engineering

Last post by EdvartsW4E « Thu Apr 18, 2024 7:47 am
Replies: 6
by dadez87 » Sun Nov 20, 2022 5:16 am

6 Replies

12525 Views

Last post by EdvartsW4E
Thu Apr 18, 2024 7:47 am
Manual discharge of a 60v pack

Last post by arber333 « Sun Apr 14, 2024 3:18 pm
Replies: 6
by FFMan » Fri Apr 12, 2024 8:21 am

6 Replies

3862 Views

Last post by arber333
Sun Apr 14, 2024 3:18 pm
SOC estimation of LFP battery packs

Last post by johu « Mon Apr 08, 2024 2:29 pm
Replies: 4
by m.art.y » Sun Apr 07, 2024 6:24 pm

4 Replies

2962 Views

Last post by johu
Mon Apr 08, 2024 2:29 pm
SOH Meter for Battery Pack When You Purchase Them

Last post by Tachopis « Wed Mar 06, 2024 5:06 pm
Replies: 5
by Tachopis » Wed Mar 06, 2024 10:29 am

5 Replies

3612 Views

Last post by Tachopis
Wed Mar 06, 2024 5:06 pm
Porsche PHEV Battery Module - charging and balancing

Last post by boekel « Wed Feb 28, 2024 8:41 pm
Replies: 2
by willar » Thu Dec 14, 2023 5:20 pm

2 Replies

15625 Views

Last post by boekel
Wed Feb 28, 2024 8:41 pm
Battery pack building best practice

Last post by Jacobsmess « Wed Feb 28, 2024 4:17 pm
Replies: 2
by Jacobsmess » Wed Feb 28, 2024 11:24 am

2 Replies

2358 Views

Last post by Jacobsmess
Wed Feb 28, 2024 4:17 pm
EVSE controller PCB

Last post by tom91 « Wed Jan 10, 2024 5:21 pm
Replies: 29
by tom91 » Sat Jun 06, 2020 4:27 pm
1

2
29 Replies

17175 Views

Last post by tom91
Wed Jan 10, 2024 5:21 pm
Chevrolet Bolt EV Batter Pack internal VITM[BECM] Controller (K16/BECM) CAN communication method

Last post by bupark007 « Fri Nov 24, 2023 6:08 am

by bupark007 » Fri Nov 24, 2023 6:08 am

0 Replies

16276 Views

Last post by bupark007
Fri Nov 24, 2023 6:08 am
Ideal Cell Resistance for the18650 battery cells / ORION 2

Last post by tom91 « Wed Nov 01, 2023 4:00 pm
Replies: 5
by jsimonkeller » Wed Nov 01, 2023 2:40 am

5 Replies

14149 Views

Last post by tom91
Wed Nov 01, 2023 4:00 pm
Bender ISO165C for Isolation Monitoring

Last post by boekel « Tue Oct 31, 2023 9:11 pm
Replies: 5
by DrJeff » Tue Nov 26, 2019 9:30 pm

5 Replies

10964 Views

Last post by boekel
Tue Oct 31, 2023 9:11 pm
6 pin signal connector for Elcon HK-J-440/20 charger

Last post by tom91 « Tue Sep 26, 2023 10:09 am
Replies: 2
by Europaman » Sun Feb 26, 2023 2:35 pm

2 Replies

7178 Views

Last post by tom91
Tue Sep 26, 2023 10:09 am
Volt gen2 BMS

Last post by P.S.Mangelsdorf « Thu Sep 14, 2023 1:34 am
Replies: 50
by arber333 » Wed Sep 16, 2020 1:06 pm
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2

3
50 Replies

36337 Views

Last post by P.S.Mangelsdorf
Thu Sep 14, 2023 1:34 am
Contactor Control

Last post by johu « Tue Sep 12, 2023 10:00 am
Replies: 3
by johnsongt350 » Sun Sep 10, 2023 1:03 pm

3 Replies

6806 Views

Last post by johu
Tue Sep 12, 2023 10:00 am
Battery cooling DIY

Last post by claverjoe « Mon May 29, 2023 4:48 am
Replies: 16
by arber333 » Tue Jul 06, 2021 12:04 pm

16 Replies

16042 Views

Last post by claverjoe
Mon May 29, 2023 4:48 am
Cheap BMS solution for a 96S pack (32 3s4p LGChem Modules)

Last post by Alibro « Sun May 14, 2023 9:52 am
Replies: 7
by Jacobsmess » Tue Apr 25, 2023 4:02 pm

7 Replies

7801 Views

Last post by Alibro
Sun May 14, 2023 9:52 am
Tesla BMS HV Isolation sensing question

Last post by EV_Builder « Wed May 03, 2023 8:31 pm
Replies: 1
by lawliet » Wed Dec 29, 2021 1:19 am

1 Replies

6936 Views

Last post by EV_Builder
Wed May 03, 2023 8:31 pm
Renault Fluence BMS? (who needed one?)

Last post by Gaalauto « Fri Apr 21, 2023 6:08 am
Replies: 6
by boekel » Tue Apr 13, 2021 5:50 pm

6 Replies

8654 Views

Last post by Gaalauto
Fri Apr 21, 2023 6:08 am
Isabellenhutter shunt

Last post by FFMan « Tue Feb 28, 2023 9:41 pm
Replies: 6
by FFMan » Tue Feb 28, 2023 3:44 pm

6 Replies

7630 Views

Last post by FFMan
Tue Feb 28, 2023 9:41 pm
Gerber files 4 Tesla BMS

Last post by medolino « Mon Feb 27, 2023 3:36 pm
Replies: 2
by medolino » Sun Feb 19, 2023 8:39 pm

2 Replies

6271 Views

Last post by medolino
Mon Feb 27, 2023 3:36 pm
Battery care pre BMS for testing

Last post by Bigpie « Sun Feb 26, 2023 10:01 pm
Replies: 3
by FFMan » Sun Feb 26, 2023 8:28 pm

3 Replies

6130 Views

Last post by Bigpie
Sun Feb 26, 2023 10:01 pm
Help Make a List of BMSs for Beginners

Last post by wovenrovings « Sat Jan 28, 2023 11:45 am
Replies: 14
by MattsAwesomeStuff » Tue Aug 03, 2021 8:30 pm

14 Replies

13756 Views

Last post by wovenrovings
Sat Jan 28, 2023 11:45 am
BMS for EV Battery For Solar Installation

Last post by arber333 « Wed Jan 25, 2023 11:05 am
Replies: 2
by HedgePig » Tue Jul 19, 2022 1:27 pm

2 Replies

6933 Views

Last post by arber333
Wed Jan 25, 2023 11:05 am
Combining multiple OEM batteries = How best? [SOLVED]

Last post by acollins22 « Mon Jan 16, 2023 1:31 pm
Replies: 4
by acollins22 » Sat Jan 14, 2023 7:15 pm

4 Replies

9508 Views

Last post by acollins22
Mon Jan 16, 2023 1:31 pm
Charging in subzero

Last post by johu « Mon Jan 09, 2023 10:20 am
Replies: 12
by janosch » Fri Dec 16, 2022 4:24 pm

12 Replies

8751 Views

Last post by johu
Mon Jan 09, 2023 10:20 am
I am calculating chargelimit & dislimit myself

Last post by tom91 « Fri Dec 09, 2022 10:43 am
Replies: 4
by janosch » Wed Dec 07, 2022 11:50 am

4 Replies

6681 Views

Last post by tom91
Fri Dec 09, 2022 10:43 am
Orion BMS - High Side Driver

Last post by KimchiKimKim « Sat Dec 03, 2022 9:28 am
Replies: 2
by KimchiKimKim » Thu Dec 01, 2022 12:01 am

2 Replies

6209 Views

Last post by KimchiKimKim
Sat Dec 03, 2022 9:28 am
Original Orion vs Orion 2 query

Last post by nkiernan « Thu Dec 01, 2022 9:56 pm
Replies: 6
by nkiernan » Thu Jan 27, 2022 8:08 am

6 Replies

8448 Views

Last post by nkiernan
Thu Dec 01, 2022 9:56 pm
Cheap(ish) BMS from Aliexpress

Last post by arber333 « Wed Nov 23, 2022 9:56 pm
Replies: 41
by Alibro » Sun Apr 25, 2021 9:28 am
1

2
41 Replies

29911 Views

Last post by arber333
Wed Nov 23, 2022 9:56 pm
how important is balancing?

Last post by johu « Mon Oct 31, 2022 5:52 pm
Replies: 6
by muehlpower » Sun Oct 30, 2022 9:42 pm

6 Replies

10991 Views

Last post by johu
Mon Oct 31, 2022 5:52 pm
Voltage threshold for balancing

Last post by tom91 « Mon Oct 31, 2022 3:26 pm
Replies: 9
by catphish » Thu Dec 09, 2021 6:16 pm

9 Replies

11492 Views

Last post by tom91
Mon Oct 31, 2022 3:26 pm
Combining outputs of batteries through inverters, converters, or chargers

Last post by johu « Wed Oct 26, 2022 6:26 am
Replies: 10
by CaliMountains » Fri Sep 30, 2022 10:06 pm

10 Replies

7224 Views

Last post by johu
Wed Oct 26, 2022 6:26 am
A new module to look at

Last post by SciroccoEV « Wed Sep 07, 2022 4:54 pm
Replies: 4
by SciroccoEV » Tue Mar 02, 2021 1:48 pm

4 Replies

5469 Views

Last post by SciroccoEV
Wed Sep 07, 2022 4:54 pm
When is a pack fully charged.

Last post by tom91 « Thu Sep 01, 2022 11:47 am
Replies: 7
by VWJoe » Tue Aug 30, 2022 7:23 pm

7 Replies

4546 Views

Last post by tom91
Thu Sep 01, 2022 11:47 am
BMS for an electric car 72s

Last post by m.art.y « Mon Jul 18, 2022 2:29 pm
Replies: 1
by gyra83 » Mon Jul 18, 2022 11:23 am

1 Replies

3385 Views

Last post by m.art.y
Mon Jul 18, 2022 2:29 pm
Gen 1 Volt STM32 HAL based BMS

Last post by jon volk « Sat Jul 16, 2022 4:52 pm

by jon volk » Sat Jul 16, 2022 4:52 pm

0 Replies

2272 Views

Last post by jon volk
Sat Jul 16, 2022 4:52 pm
Two outlander packs with single simpBMS coding help.

Last post by bigmotherwhale « Fri Jul 08, 2022 9:21 pm
Replies: 4
by bigmotherwhale » Wed Jun 08, 2022 10:26 pm

4 Replies

2104 Views

Last post by bigmotherwhale
Fri Jul 08, 2022 9:21 pm
RS232 Serial isolation repeater

Last post by arber333 « Mon Jul 04, 2022 10:24 am
Replies: 6
by arber333 » Mon Jul 04, 2022 8:00 am

6 Replies

1702 Views

Last post by arber333
Mon Jul 04, 2022 10:24 am
Which model s board with simp bms?

Last post by celeron55 « Sun Jun 05, 2022 8:13 am
Replies: 3
by vwbrady » Thu Mar 17, 2022 5:20 am

3 Replies

1884 Views

Last post by celeron55
Sun Jun 05, 2022 8:13 am

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