Keep your Mac, more powered w/ the APC Back-UPS 1500VA battery: $130 (Reg. $180)
POWER SAVING BACK-UPS XS 1500 (Discontinued by Manufacturer)
Amazon.com: New Battery Pack for APC Back-UPS XS 1300 LCD BX1300LCD - Compatible Replacement by UPSBatteryCenter (Works ONLY with UPS Model # BX1300LCD) : Health & Household
APC BACK UPS XS 900 - SOLD AS IS – Surplus Select
APC Back-UPS XS BX1000G 1000VA Tower UPS (Discontinued by Manufacturer)