External Switchmode Constant Current Split-Charge, two states: fast charge with charge termination and trickle charge end module. Fast Charge, 1C, Main Termination is achieved by Negative Delta Voltage or Delta Temperature Cut-Off and failsafe back-up: maximum temperature cut-off and 4-5 hours timer. Two Visual indicators are provided: Power-On and Charging using distinctive patterns to indicate the current charger status. This family is available in low profile 94V0 Polycarbonate plastic, no vents cases, size: 118 x 60 x 33 (mm), SMT/Through-Hole Components Single-Platform Design, has integral multi-fold heatsink thermal conduction cooling. Single Output, current regulated, are available up to 60W power, with outputs ranging from 1 cell to 48V battery configurations; accepts Universal Input: 90-264 VAC 47-63Hz, has Class B EMI Filter, meets Safety Agency Requirements: UL60950 and UL2601, CE Compliant. Modified and Custom Designs are also available. Made in USA option available upon request.