WORKPRO 20V 4.0Ah Lithium-Ion Battery Pack | 10x 18650 Cells, Lightweight & Safe

Overview

Meet the WORKPRO 20V Battery Pack, built to power your cordless toolkit with steady, reliable energy. The pack houses ten 3.7V, 4,000mAh cells, delivering solid performance while keeping the overall weight to about 1.6 pounds for comfortable handling.

Key features

• Battery type and voltage: Lithium-ion at 20V, featuring ten 3.7V 4,000mAh cells for flexible energy management.
• Compatibility: Well suited for WORKPRO New Series 20V cordless tools such as drill, impact driver, impact wrench, angle grinder, reciprocating saw, grass trimmer, and hedge trimmer.
• Charge status at a glance: Four indicator lights let you assess remaining power quickly, so you can plan tool swaps.
• Safety and reliability: Built-in protections guard against incorrect voltage, overload, short circuits, and overheating; no memory effect means you can charge freely.
• Certified and eco-friendly: All cells meet CE, GS, EMC, PAHS, and ROHS requirements for responsible use.

Real-world use and benefits

Whether you’re finishing a home improvement project or tackling a weekend yard job, this battery pack provides steady energy without adding excessive weight. The 1.6 lb design helps you maintain balance during extended sessions, while the compact form supports precise control when drilling, trimming, or sawing. The four-light indicators support quick decisions on the fly, and the built-in protections give you confidence against unexpected power hiccups.

• Extended runtime: High-capacity cells support longer sessions between charges, reducing interruptions.
• Ease of maintenance: No memory effect simplifies recharging after brief breaks in work.
• Smart planning: The indicator lights help you time recharges or swaps as you work.

What’s included and care

The WORKPRO 20V Lithium-ion Battery Pack is designed to pair with the current 20V tool lineup, delivering dependable performance across your projects. For best results, store in a cool, dry place and follow standard charging guidelines for Li-ion packs.