I bought it less than a year ago and never used it. I have most of the connections to it along with the power cable. Can charge 4 cells at a time. Prices to sell, I near the PDX airport. Suitable for all common battery types. For example, LiPo/LiHV/LiFe (1-6s), NiMH/NiCd (1-15 batteries), Pb/SLA, and smart batteries. Four ports can simultaneously charge four different types of batteries. Powerful functionality. "pre charging" function provides users with the opportunity to save excessive lithium batteries. Multiple charging functions. Intelligent and secure. It has a temperature cutoff, and once a certain temperature is reached, they will stop charging, reverse protection.