Designed and produced by ECAR Golf.This 48V Lithium Golf Cart Battery – PRO-Li Core 105Ah Battery Package for ECAR 627 is designed to seamlessly integrate into all new or existing 48V model ECAR 627 golf carts. This fully certified, compliant and integrated battery system is best for those looking for approximately 2-3 rounds of golf (or 4-6 hours of use) per charge.*Must be installed by a qualified person, and installation photographs must be supplied for warranty registration to be valid.