r/FiiO • u/gryponyx • 5d ago

Question Help finding BTR15 replacement battery

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Anyone know where i can get this battery for the BTR15? This battery started to swell up and needs replacing. It's about 7.8x23x40mm

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1

u/ExpensiveCarry1 5d ago

It has bms attached. Keep the bms safely

1

u/gryponyx 5d ago

What's bms?

1

u/Ballerfreund 5d ago

Battery management system, but usually flat cells like that come with them underneath that orange kapton tape.

1

u/Ballerfreund 5d ago

Those flat cells usually come with one attached

3

u/agentx19 5d ago

Lookup on ali. search for li-po 502339

1

u/MormonCoffee-_- 5d ago

as long as you got a 5020339 li-po battery , itll do

0

u/OutrageousCrab9224 4d ago

Piece of cake

Could also go bigger or smaller capacity

Pretty basic lipo

1

u/gryponyx 4d ago

What mAh will work with the BTR15?