Xpressbatteries.com is pleased to be the only authorized United States distributor for Mastersafe by Ritar Battery Company. Ritar battery has been producing many OEM and aftermarket brands for the past seven years. With reliability and consistency as their standards, Ritar battery has been meeting and exceeding all OEM applications for their products. With AGM and GEL products available, Mastersafe becomes one of the largest product lines we offer. Proven reliability at a great price-a great combination!