These are replacement SLA batteries for 3FM7, PS-670, RT670, UB670 (D5734), YT-670 and ES7-6. We supply only brand new, factory fresh, high quality batteries. We guarantee the best price and 100% compatibility with your OEM model. The replacement batteries also include a minimum of one year warranty. Popular applications for our replacement batteries are UPS, emergency lighting, security, fire and burglar alarms, scooters, wheelchairs, medical, and other.