Graupner Polaron AC/DC Charger, Blue Full color 3" TFT LCD touch display for programming charge parameters, monitoring charge progress Accepts both AC and DC power inputs: 100-240 V AC, 11-28 V DC Both channels max 120 W/.1--8A at 12V DC; max 60 W/.1--8A @ 100-240V 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