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What is this know-how?

General knowhow

This wiki-like know-how has been produced by Yedlik AS and Battkomp AS in the years 2020 to 2024 ...

Updated 4 months ago by Greg Marton

Report on failed repaired scooter batteries

Other batteries

We've received 6 batteries of the model TP-BA150H on 15th August. S/N Repaired befo...

Updated 5 months ago by Greg Marton

Robustness, repairability, and reusability of the NFCP3628B

Other batteries

These batteries are replacing the familiar NEE1009-W batteries. The NEE1009-W batteries are in us...

Updated 5 months ago by Greg Marton

Ninebot 90 cell battery NEE1009-W

Other batteries

Remove the PH2 screws on the edge of the battery. DO NOT remove the T10 screws on top or bottom ...

Updated 5 months ago by Greg Marton

Daly BMS

General knowhow

We like to use the Daly BMSs from AliExpress, because: waterproof no exposed components feel...

Updated 5 months ago by Greg Marton

Promovec 36V with rear lights

E-bike battery guides

NOTE: This battery needs a key, if the key is missing, to be able to discharge one should sho...

Updated 5 months ago by Greg Marton

MOVEXX 24V pallet jack

Other batteries

How to open Remove the 4x 6mm HEX bolts - need LOTS of torque because they are glued...

Updated 5 months ago by Greg Marton

Off Course 36V

E-bike battery guides

Feedback from actually building it The isolation plates need to be thicker and longer so...

Updated 5 months ago by Greg Marton

Wisper 36V

E-bike battery guides

We see three types of Wisper batteries, all 36V: Short brick Long brick Pillion (rare) We...

Updated 5 months ago by Greg Marton

Black LFP pallet jack battery

Other batteries

  24V, 20Ah 8S1P LFP with pouch cells UART communication most likely In this battery, B2 wa...

Updated 5 months ago by Greg Marton

How many cells fit in different battery housings

E-bike battery guides

Battery 36V 15Ah - MH1/17.5Ah MJ1 BH 48V   9Ah MH1/ 10.5Ah MJ1 BH 36V 12Ah MH1/14Ah MJ...

Updated 5 months ago by Greg Marton

Biltema MultiX 36V

Other batteries

10S1P arrangement, Samsung 25R cells. (High power, low capacity!) The BMS does not actually have ...

Updated 5 months ago by Greg Marton

Water damaged BMSs

E-bike battery guides

Updated 5 months ago by Greg Marton

Clean Motion Zbee

Other batteries

This battery was out of balance - one cell is 3.23 while the rest is all 3.33V. CALB-TUV...

Updated 5 months ago by Greg Marton

Radinn batteries

Other batteries

The housing is made of two parts: Shiny plastic top layer, onto which the rubber mat i...

Updated 5 months ago by Greg Marton

Ecobike 48V report

E-bike battery guides

Sticker No serial number anywhere on the battery (other than on the BMS itself) Lotsa Polish ...

Updated 5 months ago by Greg Marton

How to charge Giant batteries w/ XLR-3 connector

E-bike battery guides

pin 1: positive+, pin 2: empty, pin 3: negative-

Updated 5 months ago by Greg Marton

How to charge Derby battery w/o official charger

E-bike battery guides

If I touch together the orange and brown signal wires, the charging works.

Updated 5 months ago by Greg Marton

Biltema

E-bike battery guides

Reset If the cells are not in deep discharge, the problem will be that the BMS goes into a fault...

Updated 5 months ago by Greg Marton

Battery enabler

Bosch PowerPacks

We need to build a simplified version of this: https://www.seeedstudio.com/CANBed-FD-Arduino-CAN...

Updated 5 months ago by Greg Marton