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Producing the Bosch-compatible charging plug
Solder the middle ones first, so it will not move out of alignment. Do not solder two pins o...
Derby Cycle / Kalkhoff / BMZ Impulse
The batteries are 36V, 10s5p layout, 11 to 17 Ah capacity. They go under the names Kalkhoff, BMZ,...
Bosch charger hack
Performance Classic The middle pin is the 5V.
E-bike Vision Classic 458
10S5P design, 13 Ah -> 458 Wh 11 T15 screws hold it together. No flaps. Strong plastics! It has...
PowerTube 500/625
They have the same BMS. BMS swapping is possible and easy - more difficult if from 500 to 625 or ...
PowerPack Classic 300/400
10S4P, straightforward, but has a nasty flex sense harness that must be handled with extreme care...
PowerPack 400/500 (second generation)
It is possible to transfer BMS between these batteries if done carefully. Take care that the powe...
Shimano BT-E80xx charger adapter
Hacking the Shimano charger
With a Raspberry pi, you can send the same code as the charger would.. and the FETs close! :) Or...
BT-E6000 fuse replacement
Just like on the BT-E6010. First, check that the following are true: The battery is in balanc...
Making the Shimano BT-E60xx discharge machine
Github repo for the finished software: https://github.com/gregyedlik/BT-E60xx/ The process is ve...
BT-E8010 / BT-E8014 / BT-E8016
On the E80xxs, usually the charge connector, the discharge connector, or the BMS gets fucked. If ...
BT-E6010
Typical problems Corrosion Nothing to do, goes to recycling. Deep discharge Sometim...
Attaching sense wires in large modular batteries
The easy case: bicycles A BMS is supposed to keep track of each and every cell group's voltage. ...
Ecoride 36V
The wish from the customer is 17.5 Ah - 50 cells need to fit into the box! I remember having done...
TranzX 36V
If it does not charge, it can be reset by charging from the discharge. See photo for layout: C...
Go Swissdrive 36V
GO SwissDrive went bankrupt in January 2019. The battery has a single Rosenberger connector that ...
Evoride 36V 5 led
These batteries have 50 cells, 10 each in 5 layers. It has a non-generic BMS that is usually not ...
Evoride 36V 3-led
These batteries have a dumb BMS that we can replace, and they have only 40 cells: 10s4p. The BH f...
How to solder
The greatest enemy of good soldering is a corroded tip. The hot tip will corrode very quickly. Yo...