We bring forth a comprehensive range of Surecross Power Supplies. For a printable list of all available antennas, accessories, and cabling, refer to the Accessories List. DX81 FlexPower® Battery Supply Module delivers and manages dc voltage from one 3.6V lithium D cell battery. Datasheet 131596. Replacement battery: BWA-BATT-001. DX81H FlexPower Battery Supply Module delivers and manages dc voltage from one 3.6V lithium D cell battery and used to power the polycarbonate housed Intrinsically Safe DX99 devices, datasheet 141517.