TEKTRUM 18AH 12V DEEPCYCLE SLA AGM MAINTENANCE FREE RECHARGEABLE BATTERY 18AH 12V DC; Deep cycle AGM technology Safe and maintenance free; No spills, no leaks, no water to check Dimension - 7" x 7" x 3"; Weight - 12.4 LB Broad applications - electric vehicles, wheelchairs, scooters, UPS backups, computer systems, solar energy storage, Emergency Lighting, industrial and medical equipment