When supplied 6-40 Vdc, Model HESC104 outputs -12, -5, +5, and +12 Vdc, meanwhile charging SLA, NiCd, or NiMH battery (sold separately). Multistage 4 A charger has specially tuned algorithms for each battery type. In case of low battery or main power loss, microprocessor-based supply notifies host PC/104 using PC/104 interrupt. It also accepts input from up to 8 digital temperature sensors. When integrated with company''s proprietary battery, supply consumes less power and measures battery temperature without external sensors. Charger is Level 3 compatible for SMBus.