Specifications: Input: 100-240V, 50/60 Hz, 1.5A Max Output: 56V, 1A Brand: Power Portable Features: Universal Fast Smart Charger Designed for charging any 48V NiMH and NiCd Battery Packs. (40 Cells pack) Negative delta V(-V) Cuts-off power automatically to ensure a full charge. Protection fuse for over current, short circuit & reverse polarity protection. Includes Bare leads for your customized connectors. LED Display - Red Light: Charging - Green Light: Charging complete and Trickle Charging Dimension: 1.5"H X 2.5"W X 5.5"L Weight: 0.6LB CE and Ul Approved