CELL9102 WA3742 20V Charger for Lithium Batteries – Replacement Worx Charger 20V WA3520 WA3525 WA3578

Meet the CELL9102 WA3742 charger, a compact 20V lithium battery charger designed for cordless Worx tools. Its small footprint and light weight make it easy to carry, whether you’re prepping for a day in the workshop or a quick on-site job. The charger supports a range of 18V and 20V batteries, giving you flexibility across compatible tools and allowing you to swap batteries without waiting for a separate charger. Built for practical use, it helps keep your toolkit ready without adding clutter to the workspace.

Smart, reliable charging at a glance

The WA3742 features an easy-to-read LED indicator that communicates charging progress in real time. It automatically enters a sleep mode when charging is complete, helping you conserve energy without checking the status constantly. It remains compatible with several 20V power-share batteries, so you can use it with different tools in your kit without juggling multiple chargers.

• LED status readouts keep you informed without guesswork.
• Sleep mode after full charge reduces idle energy use.

Safety and performance you can trust

Cell9102 includes a MultiProtect safety system that guards against overcharging, overheating, and electrical faults, delivering steady performance and ready-to-work readiness. The LED display also communicates to you when the battery is charging, when it’s full, when it’s too hot or cold, or when a battery is defective.

• Overcharge protection and thermal safeguards enhance peace of mind.
• Status indicators guide you through charging, ready state, or faults.

Wide compatibility and fast, efficient charging

Designed for versatility, the WA3742 accepts input from 100V to 240V, letting you power up in different regions or while traveling. It supports 18V and 20V lithium-ion cells, providing a practical charging solution for a range of Worx tools and other compatible devices.

• Universal input enables use worldwide.
• High efficiency charging helps you prep tools faster.

What’s in the box and how to use

What you get is a replacement charger ready to plug into your setup, plus friendly customer support to help with any questions. For best results, pair it with a compatible 20V battery and follow device-specific charging guidelines. Real-world use shows the compact design fits neatly in tool bags, on workbenches, or in vehicles, keeping your tools powered and ready.