[5 Hours Fast Charger For Larger Capacity LiFePo4 Battery] Power Queen 14.6V 40Amp LiFePO4 battery charger is rated at a 40 amp large output current, realizing the rapid battery charging. It just takes approximately 5hrs/7.5hrs/10hrs to fully charge the 12V 200Ah battery, 12V 300Ah battery, 12V 400Ah battery system.

[4 Protection Function & Reliability] Adopt the advanced circuit design and strict production process according to the IS09001:2008 quality management system, which provides multi-protection from over-temperature, output short-circuits, output over-voltage, and reverse polarity connection. This comprehensive safety protection guarantees secure battery charging.

[0V Charging Mode For Dead Battery] The charger has an exclusive pre-charge mode that can "wake up" the slept batteries. Simply connect the charger to the battery to restore the battery to the normal voltage.

[Intuitive Chargering status Display & 4 Steps Easy Operation] With an LED charging indicator, the charger shows its real-time operational status, which includes standby, in-charge, fully charged, and charging anomalies. This enables you to monitor the real-time status of the device.

[Complete Accessories Are Available in One Package] Throughout the charging process, the charger smoothly alternates among three charging modes: Pre-Charge Mode, Constant Current (CC), and Constant Voltage (CV), guaranteeing a secure and steady charging experience.