The Efest New Soda Dual Slot Battery Charger delivers intelligent charging for serious vapers and device enthusiasts. Charge two batteries simultaneously with independent slot monitoring, ensuring optimal performance for each cell. Advanced auto-detection identifies Li-ion, Ni-MH, and Ni-Cd batteries, automatically selecting the correct voltage and charging protocol. Three dedicated modes—constant current, constant voltage, and trickle charge—maximise battery lifespan and safety. Toggle between rapid and standard charging speeds to suit your needs. Compatible with 3.7V Li-ion batteries including 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, and 18650 formats. Includes UK plug for convenient operation.