What is the best state of charge to keep the batteries on my etap groupset whilst the bike is in winter hibernation? I took it out for a brief spin and noticed the batteries had drained whilst being sat still on my rack.
Leave them disconnected on the shelf at around 50% charge at room temp. Dont store them with zero charge.
Leaving batterys on charge in the chargers for long periods of time is probabaly the worst way to store them.
Ta, this is what I shall do.
@deleted started
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What is the best state of charge to keep the batteries on my etap groupset whilst the bike is in winter hibernation? I took it out for a brief spin and noticed the batteries had drained whilst being sat still on my rack.