The LiitoKala Lii-PD2 and LII-PD4 are universal battery chargers designed for lithium-ion (3.7V/3.2V) and NiMH (1.2V) batteries, including 18650, 26650, 21700, 18350, AA, and AAA. They feature intelligent voltage detection, multi-stage charging, and compatibility with diverse battery chemistries. Both models …