12v 50ah UB12500 UPS Battery replaces 45ah Sigmas SP12-45, SP 12-45
$127.95
12 Volt 50 ah UB12500 Sealed AGM Uninterruptible Power Supply UPS Backup Battery offers more power, but fits a 40ah battery dimensions. It replaces and upgrades the 45ah Sigmas SP12-45, SP 12-45. Item 45977