The Sealey ECS300 Charger Starter is fully electronic, microprocessor controlled The Sealey ECS300 is an Electronic Charger Starter that is suitable for Gel, Lead Acid, Lead Calcium, Silver Calcium as well as stop/start batteries. Stabilised charging current allows improved charging efficiency and reduced charging times using ECS (Electronic Control Systems) technology. Fitted with surge and spike protection during charging and starting. Features: Up to 10 analysis and charge phases Suitable for 12V & 24V electrical systems Fully electronic, microprocessor controlled Surge and spike protection during charging and starting Suitable for Gel, Lead Acid, Lead Calcium, Silver Calcium as well as stop/start batteries Stabilised charging current allows improved charging efficiency and reduced charging times using ECS (Electronic Control Systems) technology Specification:  Supply: 240V  Output: 12/24V  Input Start: 5kW  Input Charge: 1kW  Model No: ECS300  Battery Range: 4-350Ah  BSU Supply: 20A - 13.5V  Polarity Protection: Fuse (1 x 80A)  Output Charge Peak(EN): 45A(30A)  Output Start Peak(EN): 300A(200A)  Fuse: 120/122351 (Single), 120/802260 (Pack of 20)  Charging Rates: 3 x Preset + 1 x Variable to Max. Current