My E-GO doesn’t go

[Gary WoodingParticipant @garywooding25363]

[Gary WoodingParticipant @garywooding25363]

I have an E-GO electric bike – it's the folding model. There is an old car-type ignition switch for battery power (you can't run without the key), and a small control panel on the handle bars – see photo. The other day the lights on the ctl panel went out as I was riding, and there was no power to the motor. I didn't stop but pressed the ON/OFF button, the lights came on, so so I continued. I reached my destination (only a mile or so more) without mishap. On my way home the same thing happened.

The battery was fully charged, so what happened. Where should I look for the problem? Any ideas anyone?

[BazyleParticipant @bazyle]

Moisture ingress?

[Grindstone CowboyParticipant @grindstonecowboy]

Ah ha! Fixed one for a friend about a month ago which had very similar symptoms. In his case, it turned out to be the battery protection board, found inside the battery casing. The battery voltage showed as normal when tested with a voltmeter, but when placed under load, it dropped to nearly zero. A new board, which was almost a direct replacement, was found on Amazon for around £14.

Hope it's as easy a fix for yours – it looks to be a very similar bike, Chinese?

If you want more info after testing it under the conditions I described, post again.

Rob

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