About THISS:
We focus on designing and manufacturing varieties of replacement batteries.

Compatible With:(use"Ctrl+F" to find your own PN & Model)
WG151, WG151.5, WG155, WG155.5, WG251, WG251.5, WG255, WG540, WG540.5, WG890, WG891

Replacement Part Numbers:
WA3525 WG545 WG155 WG255

Compatible Chargers:
Recommended to use with WA3732 20-volt lithium charger or WA3847 20-volt lithium quick charger

Battery Storage:
1.Let battery cool down when to try use or charge it
2.Always remove battery pack form your tool when you are assembling parts,making adjustments,cleaning, or when not being used for an extended time
3.If you don't plan on using the Battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects.
Ni-CD, Ni-MH and Li-ion batteries will self-discharge during storage. Remember to recharge the batteries before use
4.Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks