NP LiPo Alarm (8s)

Plugs into the balance lead on LiPo and LiFe batteries and will read out the total voltage and each individual cells voltage to help you check on the status of the battery. Will work on 1-8 cell LiPo and LiFe batteries.

Will sound an alarm if the voltage of any cell drops below a set level, which can be adjusted by the user.

See the official Nuprol instructions for the Lipo alarm at their website