Remember when you did not depend on cords and gasoline to run your tools? Power your life with a WEN 40-Volt Max Lithium-Ion 4 Ah Rechargeable Battery. Compatible with the WEN 40-Volt Quick Charger (model 40400)， this battery is designed to fit the entire WEN 40-Volt line， including the WEN Leaf Blower and the WEN Chainsaw. Lithium-ion cells create a fade-free power supply that provides 4 amp hours worth of steady and consistent operation. An onboard battery meter informs users when their power supply is running low and in need of a charge. Replace your current battery or add an extra for double the work time， keeping 1-on the charger and 1 in the machine. Forget the hassles of extension cords and gasoline. Its time to simplify your life with a WEN 40-Volt Max Lithium-Ion 4 Ah Rechargeable Battery. Remember when your yard work was easier than ever before? Remember WEN.

Double the run time of your 40-Volt tool with an extra battery

lithium ion cells provide fade-free performance for your tools

4 amp hours worth of battery power

Onboard battery meter informs users the status of the current charge

Compatible with the WEN 40-Volt max lithium-ion series

Maintains charge for extended periods of storage and nonuse

Easy installation with an onboard quick-release button