... efficiency charging way. Boost, recovery and float charging auto work for battery long-life. Use temperature compensation. High accuracy over ... , power full, power low, over-discharge, over load, out short circuit, load on/off, etc.Industry level production standard: wide ... voltage indicate12.0V, ×2/24VOver discharge voltage11.1V(no load)- real-time modified voltage by the discharge rate; 2 ...