This is a replacement SLA battery for DJW6-1.2, UB613 (D5731), PS-612, NP1.2-6, CA613 and LP6-1.2. We guarantee the best price and 100% compatibility with your NP1.2-6FR 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.