Features: Microcomputer control technology, intelligent realization of six slots complete independence, support six mixed charge mode. Compatible with a variety of voltage cylindrical rechargeable battery, fits for 3.7V (3.8V) lithium-ion battery, 3.2V lithium iron phosphate, 1.2V nickel-metal hydride / nickel-cadmium rechargeable battery. Using constant current, constant voltage charging mode. Battery reverse protection, short circuit protection, zero voltage protection Mobile power function, USB output 5V / MAX 2A, (with low voltage protection, to ensure that the battery not run out, no load automatically shut down, safe use). LCD instantly shows the charging process,battery voltage,battery type and present charging capacity.