T-3150 Ultra Fast Charger with 8 Tenergy AA 2600 mAh + 4 AAA 1000 mAh NiMH Rechargeable Batteries 4 independent channels for quick charge/trickle charge/bad cell detection ( Mixed AA and AAA cells is acceptiable) Recharge 1-2pcs AA or AAA Ni-MH batteries in 2 hours, and 3-4pcs batteries in 4 hours with switching power technology - high efficiency, compact size & light weight With worldwide input for 100-240V AC 50/60HZ Designed for enhanced performance for high drain applications such as digital cameras, CD players, portable audio devices, hand held games, 2-way radios, PDAs, and other portable high drain digital electronics Can be recharged for up to 1000 times, providing big saving by replacing hundreds of throw away AA/AAA batteries