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Re: LTWOO ER9 & ERX - Electronic groepsets Hi All
I'm a bike mechanic in Ireland, and in the last year I've built 5 customer bikes and 1 for me using eRX. And it's all been grand, couple wee hickups here are there, but overall very good, customers happy

For shipping reasons I buy without batteries which I source locally. The batteries I've been using are 14500 800mah un-protected, as the protected cells are too long to fit. Also capacites over 800mah are also too long to fit in the tube without forcing and bending it. I know to my cost, as the wee copper strip up the back of the pack is extremely fragile at the solder between the 2 batteries

Today a customer flatten his battery on a ride, when after re-charging its become apparent that the cells have been allowed to discharge below 30% and ruined them.

I'd presumed that the actually battery tube had a BMS at the top, now I'm not so sure.

Anyone else had issues with the batteries?

Also the manual states that a solid green LED on RD means the battery is fully charged. This isnt the case, if you open up the app you'll see it's charging and not 100%. This was the cause to the confusion for my customer, and the reason he didn't leave home with a full battery
March 29, 2024, 05:06:27 PM 		4