Features: Absolutely maintenance free. Spill proof design – totally sealed. No acid handling. Superior capacity - 15% higher than SLA capacity. Extreme vibration resistance - reinforced battery case. Heavy duty terminals - Easy to install. Low discharge rate. Ready to use - Plug-and-Play. Starting power: +20% CCA than SLA range Capacity: +20% CCA than SLA range Taller plates - built-in copper nuts.