Two batteries may be charged at once with the Efest SODA multifunctional battery charger; each slot charges and monitors the batteries on its own. Rechargeable Li-ion, Ni-MH, and Ni-Cd batteries are all instantly recognized by it.
The charger automatically determines the proper voltage and charge mode based on the battery status and offers three charging modes: CC, CV, and Trickle Charge. You may also switch between standard and fast charging modes.
It has a UK plug and can charge the following 3.7V rechargeable Li-ion batteries: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, and 18650.