This is a replacement SLA battery for PS-682, PS-682F, SLA094, NP8.5-6, DJW6-8.5H and 3FM8.5. We guarantee the best price and 100% compatibility with your Power Sonic PS-682F 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.