This product is a Battery Maintenance System Plus (BMS+) with 230 Volt AC, 50/60 Hz and Six Station Reconditioner. Increase the useful life of your batteries. Using interchangeable battery adapters (sold separately), the BMS+ is capable of charging and discharging, analyzing, conditioning, and cycle testing batteries. It supports NiCd, NiMH, and Li-ion battery chemistries (Li-ion on 6 station models only) and tracks batter voltage and capacity (mAh). Its easy-to-use design supports hundreds of 2-way, cellular, and camcorder batteries. The BMS+ offers a 3-year warranty and includes serial printer port (RS-232). Compatible with the STAR Micronics SP200 series printers, and other printers with STAR emulation.