The product is suitable for rechargeable lithium batteries such as 26650/18650/18490/17335/16340/10440. Compatible with Ni-MH, Ni-Cd batteries of the same size, such as AA, AAA, C type. When charging NiMH or NiCd batteries, it does not have the function of recharging after discharge. Each slot of the product is charged independently without interfering with each other