Hyperion EOS Sentry Version 3 2-8s HVLI Battery Checker  Balancer  Store Mode 2S ~ 8S Battery compatible with HvLi LiPo, Standard LiPo, LiFe, NiCd, and NiMh capable EOS Sentry 3 displays the total battery pack voltage and a percentage bar graph for estimated remaining capacity View screens for Minimum and Maximum cell voltages, and max cell Gap Large clear display and easy-to-use menu