This is a  WORX WA3732  WA3742  3 to 5 Hour Charger for 18V and 20V Lithium Ion Batteries WA3520 and WA3525 with indicator light showing charge status. 

500mA  electric current

thick wire  ---------- more safety ----------charge faster than thin wire charger !!!!!

3-4 business day delivery  

The WORX 20-volt lithium battery charger is for 20-volt MAX lithium batteries WA3520, WA3525, WA3512, WA3512.1, 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, WA3512, WA3512.1

- Charges WORX lithium MAX 20-volt batteries in about 3 hours

- Product Dimensions: 100 x 2.5 x 1 inches ; 1 pounds 

This spec. is only relevant for this item: WORX WA3732 3 to 5 Hour Charger for 18V and 20V Lithium Ion Batteries WA3520 and WA3525

Spec.: 100V-240V Universal,  U.S.Wall socket. With Display Indicator light for battery status!

Shipped with USPS First Class Package from Tx, USA.