NEW VERSION - Now includes automatic balancing function for LiPo and LiFe packs.
Know your packs! EOS SENTRY battery checker for LiIon, LiPo, LiFePO4, NiCd, and NiMH. See Details.
The EOS SENTRY is a quick, convenient, easy-to-use device. It shows at a glance the remaining capacity in your battery pack, cell balance, and other information you need to get the best performance and reliability from your batteries, and avoid costly mistakes.