Being a battery manufacturer in China, we are specialized in producing a full range of DRY CELL BATTERIES: Super Alkaline and Zinc Chloride, with specifications including: R20/UM1/D Size, R14/UM2/C, R6/UM3/AA, R03/UM4/AAA, 6F22/PP3/9V, 3R12/4.5V, 4R25/4FM//6V, 4R25-2/6V, LR20/AM1/D, LR14/AM2/C, LR6/AM3/AA, LR03/AM4/AAA, 6LF22/6LR61/9V, LR1/AM5/N Size..., etc. Which is all Green products(Mercury & Cadmium free). Meanwhile, we can supply you a few low cost BATTERY TESTER & BATTERY CHECKER, which can be used to quickly check various batteries: D,C,AA,AAA,N,9V and Button Cells.