Vision sealed AGM battery
12 volt 17 amp unit C20 rate
They are completely sealed and maintenance free, don't make any corrosion and are very resistant to vibration
Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99% and freedom from electrolyte maintenance or water adding.
Long service life, float or cyclic applications.
Low self discharge
These come with a 12 month warranty not pro rata