APC Dell Smart-UPS 1500VA USB RM DLA1500RM2U replacement battery pack (rechargeable, high rate)
APC BY SCHNEIDER ELECTRIC Replacement UPS Battery For Mfr. No. SMX750, SMX1000, 48V DC - 426P56|APCRBC116 - Grainger
APC 1500VA Smart UPS with SmartConnect, SMT1500C Sinewave UPS Battery Backup, AVR, 120V, Line Interactive Uninterruptible Power Supply Black - Fire and Safety Plus