A unique high performance 12 volt battery, ideal for use in ultra light aircraft with 2 stroke engines up to 100 hp which includes Rotex 277-618. It offers high starting power in a compact, lightweight package. Specially designed top accepts hold-down straps for ultra light installations. Sealed lead-acidbattry- maintenance free. Capacity 5 amps/hr. Peak amps 250, weight 4.4 lbs. Size 2.7″long x 3.5″ wide x 4.5″ high.