The ECHO 58-Volt 4 Ah Lithium-Ion Accessory Battery Pack is the most advanced professional grade high Voltage cordless battery in the industry. Featuring triple protection electronics, this battery is equipped to prevent overcharging, overheating and overloading. With a 1 hour recharge time, users can complete big jobs without worrying about running out of power. The ECHO 4 Ah Lithium-Ion Accessory Battery is backed by a 5-year consumer warranty and a 2-year commercial warranty.
