This is a replacement SLA battery for UB6420 (40560), PS-6360, DJW6-42-T2, SLA0139, SLA0993 and PT36-6-NB. We guarantee the best price and 100% compatibility with your Crown Battery 6CE36 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.