French researchers have announced a prototype of an 18650 sodium-ion battery ... However, lithium isn’t the only possible choice for rechargeable cells. Lithium has a lot of advantages.
Worldwide voltage, suitable for the whole world, car adapter is available; Compatible for Li-ion batteries 18650 18490 18350 17670 17500 16340(RCR123), 14500 Ni-MH/Ni-Cd A AA AAA batteries and 3 ...