power cut out problem

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quicks2k
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Last seen: 14 years 8 months ago
Joined: Tuesday, March 23, 2010 - 13:51
Points: 3
power cut out problem

Hello I'm new here so big HI to everyone :) .
I have a power problem with my kit.
spec:
480w 48v brushless hub motor
48v lipo 10ah pack

when i apply even slight load on my bike the power cuts out and battery voltage reads around 2-3 volts. to get power back i need to disconnect the controller and connect again.

Ive changed the bms and changed the controller but the problem remains, downhill I can almost hit full throttle but on flat surface i get cut out after 1/3 of throttle and on hills even on less.

I've tested individual cells and they all read fine, battery fully charged read 56~ volts.

battery under load reads 45-48 volts and cutout then.

If anyone have any idea what could it be please tell me.

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