Giant GLI180 4A EnergyPak 5 pin charger tear down

offroad

Active member
Dec 29, 2021
28
31
Wanaka, New Zealand
The case is plastic welded on all 4 sides, no clips to simply open. Use a hobby tool (Dremel) to split the case. Caution: Lots of fine black dust particles.
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Internally, the circuit board is wrapped in aluminium sleeve which acts as heatsink. When you cut and the silver appears, you are through.
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Input circuit has 5A fuse wrapped in heatshrink next to AC socket. If your LED's are dead, you might be lucky and just need to replace fuse. De-solder to replace.
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CANBUS daughter board mounted vertically off PCB. 5 pin connector to integrated LED and 60% charge switch. CANBUS communication is via Giant connector pin 2 (brown or yellow) pin 3 (red or pink) pin 4 (green).


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If your original Giant charger dies, you can use a 42v (4A/6A) compatible and harvest the old 5 pin cable from the old charger and use thick RED and Black wires. You do not need the CANBUS signalling circuit to charge battery.
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