APC UPS, 1350VA Sine Wave UPS Battery Backup & Surge Protector with AVR, 2 USB Charging Ports, LCD Uninterruptible Power Supply, Back-UPS Pro Series (BR1350MS) - Walmart.com
APC Back-UPS 450VA 6-Outlet Battery Back-Up and Surge Protector – Home Network BLACK BN450MNW - Best Buy
APC Smart-UPS 1500, SUA1500R2X138 UPS Battery - Wholesale Batteries Direct
Amazon.com: APC UPS Battery Replacement, RBC24, for APC Smart-UPS Models SMT1500RM2US, SMT1500R2-NMC, SU1400RM2U, SU1400RMNET, SUA1500RM2U and select others Black : Electronics