Shipment contains 2 Raion Power 12V 55Ah replacement battery for Golden Technology GA 541 wheelchair. Valve regulated spill proof technology enables the batteries to be installed in various different positions. Calcium Alloy Grid have less water elecrolyte loss which results in superior battery performance. Absorbed Glass Mat Technology (AGM) is maintenance free. We VOLTAGE MATCH your batteries at NO ADDITIONAL COST in addition to shipping batteries from the same manufacturing batch. Voltage matching increases longevity and performance. Specs(per battery): 12V 55Ah , L XWXH = 9.10 X 5.40 X 8.20 Inches, Weight = 44.00 lbs. Our centrally located warehouse enables us to offer fast shipping on all of our products in the United States. WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.