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WORX®

20-Volt Power Share 4.0-Ah Battery

Mfg.#
WA3578
Sku#
501700
  • Our more powerful 20V battery--4.0 Ah delivers up to double the run time of the 2.0 Ah battery
  • Delivers increased runtime and powers your 20V cordless WORX tool through the entire job
  • Professional grade, gas-like power with none of the emissions
  • Efficient MaxLithium technology charges quickly and lasts longer
  • Compact and lightweight helps reduce fatigue while you're working

* Estimated stock levels as of Fri, Apr 10, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

20-Volt Power Share 4.0 Amp Hour Battery

Nominal Voltage Information is shown

Specifications

General

Amp Hour 4
Battery Size 20 V
Battery Type Maxlithium
Charge Time ~5 Hours
Charger Model WA3847
Rated Voltage 20
Type Power Tool Battery
Volts 20

Manufacturing Details
The following information is subject to change without notice

Prop 65 Warning Warning WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer, and Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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