This technology also called VRLA (Valve Regulated Lead Acid) represents sealed batteries with gas recombination which brings less maintenance with no water refilling needs. These batteries are supplied with acid pack, and would be activated by filling the acid before first use.
Voltage (V)    12
Capacity (Ah/10Hr)    12
CCA (A)    200
Length (mm)    150
Width (mm)    87
Height (mm)    145
Weight with Acid (kg)    4.47
Acid volume (Litre)    0.7
	
Reduction of plates sulfation
	
Higher life cycle (up to three times longer than conventional batteries)
	
Less maintenance (no water refilling needs)
	
Longer voltage hold
	
Maintenance Free
	
Increased power & extended life