Experience reliable power protection with our high-quality UPS battery, meticulously designed to be 100% compatible with APC Back-UPS 600VA models, specifically the BE600M1. This robust, black, rectangular battery ensures a seamless fit and easy installation, delivering a plug-and-play solution. Arriving fully charged, it boasts an impressive average life of 4 years, with a runtime of up to 5 years. Manufactured by UPS Battery Center, it's built to perform and last, backed by a 1-year full replacement warranty.