Graupner Polaron AC/DC Sports Charger, Silver Touch sensitive keypad located on high contrast LCD display for programming charge parameters, monitoring charge progress Accepts both AC and DC power inputs: 11-15 V DC, 110-240 V AC Both channels max 120 W/.1--8A at 12V DC; max 60 W/.1--8A @ 110-240V AC 1-7 cell Li-Ion/LiPo with balancing board connectors, 1-14 cell NiMH/NiCd, 1-12 cell Pb/acid Dual cooling fans reduce temperature during charge and discharge