Custom-engineered for LiFePO4 (LFP), AGM, and Nano-Silica sealed lead-acid batteries, the Universal Battery Maintainer 4000 is designed to efficiently charge, maintain, and extend the life of your 12-volt batteries. It delivers optimized performance with built-in safety protections and reliable charging stages to keep your batteries in peak condition.

At UPG, were committed to providing the highest standards in quality, performance, and customer experience.

Specifications:

• Charges and maintains LiFePO4 (LFP), AGM, and Nano-Silica sealed lead-acid batteries

• Over-current protection

• Short-circuit protection

• Over-voltage protection

• Input Voltage: 90Vac 132Vac

• Frequency: 47Hz 63Hz

• Max Input Current: 1.5A at 90Vac

• Bulk Charging (Constant Current): 4A

• Absorption Stage (Constant Voltage): 14.6V

• Float Stage (Constant Voltage): 13.6V