1.C4 4 slots smart battery charger can charge different batteries together,800mAh max for each slot, no matter for Li-ion battery ,but also for Nimh/Nicd battery;
2.Current setting by manual(0.1a 0.2a.0.3a 0.4a 0.5a 0.6a 0.7a 0.8 a), also can set the current manually for 4th slot when discharge.
3. Each slot with the function of detecting the battery capacity and internal resistance through charging , the 4th slot can detect the battery through discharge.
4.With the LifePO4 memory funtion.