Spare battery pack
Li-Ionic battery 7.4v / 1.4Ah unit
If there is a period when you do not intend to use your clippers in the interest of preserving both the batteries over a period of inactivity it is strongly suggested you consult with the clipper manual provided and strictly adhere to the recommendation of the manufacturer.
Manufacturers storage recommendations
Store Li-ion batteries only in a fully charged condition and recharge stored batteries once every month