Power-Sonic 12V 21Ah AGM Deep Cycle Battery, 1 Year Warranty. Power-Sonic deep cycle PDC range is purpose-built for those applications which require regular and consistent cycling (charge and discharge). Commonly called deep cycling the oversized negative plates and a specialized paste formulation of the PDC can provide constant power for longer periods of time without shortening the life of the battery.

Features:

• Absorbent Glass Mat (AGM) technology for superior performance
• Valve regulated, spill proof construction for safe operation in any position
• Oversize negative plates and a specialized paste formulation for true deep cycle performance.
• Special additives in the paste ensure superior performance in deep discharge situations.
• Power/volume ratio yielding unrivalled energy density
• Rugged impact resistant ABS case and cover 
• Approved for transport by air. D.O.T., I.A.T.A., F.A.A. and C.A.B. certified
• L. certified

Applications:

• Mobility Scooters
• Electric Bikes
• Caravans
• Marine
• Camping