Power Sonic PS-6100 6V 12AH SLA Battery Pack of 6 — Replacement for APC RBK520

Power Sonic PS-6100 6V 12AH sealed lead-acid (SLA/AGM) battery — sold as a Pack of 6. These rechargeable, maintenance-free and spill-proof batteries are designed for UPS and backup applications and can be mounted in any position. They are built to resist shocks and vibration for dependable performance. Physical specifications: (L) 5.95 x (W) 2.00 x (H) 3.86. Weight: 4.30 lbs. Suitable as a replacement for APC RBK520. Full One Year Warranty.