This Powersonic battery is made with Absorbent Glass Mat technology for superior performance. The PS-1270F2 is valve regulated and spill proof constructed to allow safe operation in any position. Because of a rugged impact resistant ABS case and cover it is approved for transport by air. U.L. recognized under file number MH 20845. Power-Sonic batteries has been around since 1970. Their products are sold in over 70 countries worldwide for a broad range of electronic and industrial applications, where cost effective DC power is required.