The FULLOAD 1500 by Fulbat is an automatic 8-step charger for lead and gel batteries with a capacity of 4Ah to 30Ah. It can be used as a battery replacement for batteries up to 120Ah. Features: suitable for 5A and 12V batteries 8 charging levels ideal for long-term safe charging and ease of not overcharging. With internal overheating protection terminals and secure fitment kit included in delivery. Charging levels: 1. Initial charge: Test the battery to a full charge. 2. Pulse charge: Regenerates sulfated batteries through a high frequency pulse. 3. Soft-start: Extend battery life by soft-starting the charging process. 4. Basic charge: Reduces the charging time by placing the maximum charge for generating voltage. 5. Absorption voltage: Guaranteed a full charge the battery without overload. 6. Battery test: Test the battery to a full charge. 7. Trickle charge: Trickle charge keeps the battery at 100% charge. Restart every 21 days. 8. Long-term trickle charging: Special charging pulses provide an optimal state of the battery if the battery voltage drops.