This is a replacement SLA battery for NP12-12, UB12120 (D5775), PS-12120, YT-12120D, RT12120 and LP12-12. We guarantee the best price and 100% compatibility with your Universal Power UB12120 (D5775) model. The replacement sla batteries also include a minimum of one year warranty. Popular applications for our sla batteries are UPS, emergency lighting, security, fire and burglar alarms, scooters, wheelchairs, medical, and other.