... nonlinear constant current and constant voltage PWM intelligent rapid charger. 2. The charger has three modes (H is big charging current, ... L is a small charging current, O for USB charged external ... with fulled charging batteries. TrustFire TR-007 Li-ion Battery Charger For 16340, 18350, 14500, 14650, 17670, 18500, 18650, 18700, 22650, 26500 ...