The WORX 20-volt lithium battery charger is for 20-volt MAX lithium batteries WA3520, WA3525. Use this charger to charge 20-volt WORX lithium batteries for models: WG155, WG155.5, WG160, WG255, WG545. May also be used to charge 20-volt replacement batteries used in models WG151, WG151.5, WG251, WG251.5, WG540, WG540.5, WG890, WG891.
For WORX cordless 20-volt tools: WG155, WG155.5, WG160, WG255, WG545
Use to charge 20-volt lithium batteries: WA3520, WA3525
Charges WORX lithium MAX 20-volt batteries in about 3 hours