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White board The most simple design. This board consists of 5 LED's with series limiting resistor...

Three boards 76, failed in Stale's battery in the field - does not run LEDs, SOC output is wro...

After assembly, each board needs to be tested and approved before it may be used in a battery. Th...

One tiny board of 4 cm times 2 cm with 3 terminals: Battery positive Battery negative SOC ou...

Three known problems The ZXTR2012Z voltage regulator cannot handle the battery voltage suddenl...

These BMSs have the LEDs and the button built in, not on a separate board - making our life more ...

Flat with white BMS board Orange wire No GND path to the connector, then no NTC taken to the ...

For the very final version of the BH board, we need to integrate all connectors that make it comp...

The single most expensive components in our boards are the RECOM DC/DC converters. 55 kr/pcs. Ou...

Mapping the pins Compared to black: only noise everywhere Compared to brown: Orange: 9.72V...

The SOC output had a lot of noise on it, causing the displayed percentage on the display to move ...

The BMS makes a 0-10V signal, that is interpreted by the display as state-of-charge in a linear w...

Problem description We see that the smart SOC boards can 'hang up' either by themselves, or if t...

Small module Pinout: B1 = pin 7 B2 = pin 3 Temp1 = pin 6 Temp 2 = pin 1 There is no groun...

The main boards were made of 18mm thick pine boards cut on a CNC mill at Fellesverkstedet. Painte...

The BMS is a Daly Smart BMS with Bluetooth, Li-ion 12S 80A. One must connect to the BMS via th...

The original chargers used the Lester 21486 connector. This connector has three pins, and is real...

Cleaning Building The 2nd generation VW modules The smart modules do not show the ...

Quantity Price per unit w/o MVA VW e-Golf big module 3 20...