Experience fade-free performance and consistent power with this 4 Ah lithium-ion rechargeable battery. Designed for the entire WEN 40-Volt line, it features an onboard meter to monitor charge levels and a quick-release button for easy installation.

• High-capacity 4 Ah lithium-ion cells provide fade-free, consistent power for extended tool operation.
• Compatible with the entire WEN 40-Volt Max Lithium-Ion series, including leaf blowers and chainsaws.
• Integrated onboard battery meter provides real-time status of the current charge level.
• Designed to maintain charge for extended periods during storage and non-use.
• Features an onboard quick-release button for easy installation and removal.
• Ideal for doubling your runtime by keeping one battery in the tool and one on the charger.