12.8V 50Ah LiFePO₄ Battery – Lead-acid Replacement for Deep Cycle Applications

 Product Overview

The Model 1250 is a 12.8V 50Ah LiFePO₄ battery, designed to replace traditional lead-acid batteries in solar, RV, marine, and backup systems. With a high cycle life of over 4000 cycles at 80% DOD and an energy output of 640Wh, it offers reliable, safe, and efficient power storage.

 Key Specifications

• Model: 1250

• Nominal Voltage: 12.8V

• Rated Capacity: 50Ah

• Energy: 640Wh

• Dimensions: 257 × 132 × 200 mm

• Weight: 5.6 kg

• Cycle Life: >4000 cycles (25°C, 80% DOD)

• Charge Cut-off Voltage: 14.6V

• Discharge Cut-off Voltage: 10.8V

• Max Charge Current: 50A

• Max Discharge Current: 100A (for 3s)

• Internal Impedance: ≤ 6mΩ

• Operating Temperature: -20°C ~ 60°C

• Storage Temperature: -20°C ~ 75°C

 Key Features

• Direct lead-acid battery replacement

• Over 4000 deep cycles with stable performance

• Lightweight and compact for mobile applications

• Safe LiFePO₄ chemistry with low self-discharge

• Fast charging & high discharge rate

 Applications

• Recreational Vehicles (RV)

• Solar energy systems

• Marine and trolling motors

• Portable power stations

• Backup power for telecom or lighting