For all 12v battery systems with a 4 Amp-hr minimum output. 2024-07 is designed to fit securely into the Breakaway Battery Cases. Temperature compensated design provides continuous recharge with automatic float mode feature to prevent overcharging. 1024 will return trailer breakaway system batteries to their maximum potential. Patent pending. 2025 features an automatic float mode to prevent overcharging. Ideal for seasonal storage and maintenance of recreational vehicles, motorcycles, snowmobiles, lawn tractors, and more.