1)Size:9V/6LR61.
2)Nominal voltage:9V.
3)Packing: shrink or blister card packing.
4)Duration:46hours on the condition of the 620ohm,2h/d,discharge to 5.4V.
5)Brand:Micropower.
6)OEM is welcome.
7)no mercury added. with SGS certificate.
8)super long lasting power.
9)excellent leakproof.