I just bought a new e bike (haibike all mtn 3.0 2020) and the battery didnt come in the bike so i have to install it myself and the battery isnt going in but it has to be the right size. Instructions are useless.
Bosch powertube batteries like your one use a hard lock, you need to unlock the lock with the key when you insert the battery. You can’t just snap it in to place without unlocking
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