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LiFePO4 12V 400Ah Lithium Battery

Discover the pinnacle of energy storage technology with our LiFePO4 12V 400Ah lithium battery. Engineered for unmatched power and reliability, this battery is your solution for demanding energy needs. Whether for residential, commercial, or industrial applications, trust this lithium battery to deliver consistent performance and durability.

Function Parameter
Nominal Capacity
400Ah
Nominal Voltage
12V 
Internal Resistance
≤22mΩ
Cycle Life
>6000
Months Self Discharge
<3%
Charge Data
DC Normal Charge Voltage
14.6V
Dimension
328*172*243mm 
Allowed Max. Charge Current
50Adc
14.6V
Discharge Data
Continuous Discharge Current
200A
Allowed Max. discharge current
100A (option:100Adc)
Working Condition
Charge Temperature
0℃ to 45℃ (32℉ to 113℉) @60±25% Relative Humidity
Discharge Temperature
-20℃ to 60℃ (-4℉ to 140℉) @60±25% Relative Humidity
Storage Temperature
0℃ to 40℃ (32℉ to 104℉) @60±25% Relative Humidity
Enclosure Protection Level
IP20

Chemistry: Lithium Iron Phosphate (LiFePO4) - maintains the well-regarded characteristics of safety, stability, and a long lifespan.

Voltage: 12V - compatible with most off-grid solar systems and 12V DC appliances.

Capacity: 400Ah (Amp-hours) - exceptional capacity, allowing it to deliver 1 Amp for 400 hours, 5 Amps for 80 hours, or various combinations in between. This makes it suitable for extended high-power needs.

Energy Storage: Similar to the 350Ah version, the listing mentions 5kWh of energy storage. Let's clarify the calculation:

  • Battery Capacity (Ah) = 400Ah
  • Voltage (V) = 12.8V

Energy Storage (kWh) = (Voltage x Amp-hours) / 1000 Energy Storage (kWh) = (12.8V x 400Ah) / 1000 Energy Storage (kWh) = 5.1 kWh

Therefore, the usable energy storage is closer to 4.8kWh, which is still a significant amount of power.

Benefits of LiFePO4 12V 400Ah Lithium Battery:

  • Unequaled Lifespan: Compared to lead-acid batteries, LiFePO4 boasts a significantly longer lifespan, typically around 6,000 cycles (depending on the depth of discharge).
  • Lightweight Champion: Despite its high capacity, these batteries are considerably lighter than lead-acid batteries of similar capacity, making them more portable for applications in RVs and boats.
  • Safety First: The inherent safety features of LiFePO4 chemistry reduce the risk of overheating or explosions compared to lead-acid batteries.
  • Faster Charging: Generally accepts charges faster than lead-acid batteries.
  • Deep Discharge Tolerance: Can be discharged to a greater depth without significantly impacting lifespan compared to lead-acid batteries.

Applications:

  • Off-grid Solar Systems: Store a substantial amount of solar energy to power your entire house or large appliances for extended cloudy or sunless periods. The 4.8kWh capacity is particularly useful for substantial off-grid systems.
  • Large RV and Boat House Battery System: Provides substantial off-grid power for all your appliances and electronics during adventures or outages.
  • Industrial or Commercial Off-Grid Power: Can be used in off-grid applications like remote work sites, cell towers, or mobile medical facilities.
  • High-Demand Portable Power: Ideal for powering professional events, powering film equipment, or other applications requiring significant portable power for extended durations.

Things to Consider When Choosing a LiFePO4 12V 400Ah Battery:

  • Voltage and Capacity: Ensure the 12V voltage matches your system's requirements. The 400Ah capacity is suitable for very demanding applications, but even larger systems might need multiple batteries connected in parallel for even more capacity.
  • Charging System Compatibility: Verify your battery charger is compatible with LiFePO4 chemistry and 12V voltage.
  • Depth of Discharge: While these batteries handle deeper discharge well, avoid routinely draining them completely to maximize lifespan.
  • Weight and Size: While lighter than lead-acid equivalents, the high capacity makes this battery physically larger and heavier than lower-capacity LiFePO4 12V options. Consider weight and available space for installation.
  • Temperature Range: LiFePO4 batteries function well in a wider range of temperatures than lead-acid batteries, but always check the specific model's specifications for optimal operating temperatures.
LiFePO4 12V 400Ah Lithium BatteryLiFePO4 12V 400Ah Lithium BatteryLiFePO4 12V 400Ah Lithium BatteryLiFePO4 12V 400Ah Lithium Battery

 

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