Are you feel depressed when you have a variety of rechargeable batteries without a universal adapter and must search the market one by one? We supply with this multifunctional TrustFire charger to meet your requirements. It has 4 slots to charge four batteries with same type in the same time and it can identify both Li-ion and Ni-Mh battery automatically then choose to the best charging mode (Constant current constant voltage a trickle). Fantastic is that it can act as a mobile power for electrical equipment (mobile phone for example) because it has a USB interface to output. Support voltage automatically adjust function enable to charge 1.2V Ni-MH and 3.7V Li-ion batteries.