1) Size : D/LR20

2) Nominal voltage: 1.5V

3) Packing: Shrink/box /blister

4) Jacket: Foil

5) Super long lasting power

6) Extra long life span

7) No Mercury And Cadmium Added, which Is Environmental Friendly

8) Excellent leakproof, as a result of pure material

9) OEM is welcome.