Budget-friendly Tbb Power 400ah 12v Lithium Iron Phosphate (lifepo₄) Battery Now 30% Cheaper [xSWGf9gQ]

TBB Power 400Ah 12V Lithium Iron Phosphate (LiFePO₄) battery is a high-capacity, long-life energy storage solution designed for demanding off-grid and mobile power applications. With an integrated 300A smart BMS, built-in heating function, and Bluetooth connectivity, this battery is ideal for solar, wind, marine, and leisure systems requiring reliable year-round performance.

Key Features:

• 400Ah capacity @ 12.8V – Provides over 5 kWh of usable energy

• Advanced LiFePO₄ chemistry – Safe, stable, and efficient with over 6000 cycles @ 80% DoD

• 300A Smart BMS – Offers full system protection and real-time monitoring

• Integrated heating – Ensures safe charging in low-temperature environments

• Bluetooth monitoring – View performance metrics directly from your smartphone

• Series and parallel expansion – Scalable for higher voltage or larger capacity systems

• Maintenance-free design – Vibration-resistant and suitable for mobile or marine use

BMS Protection Includes:

• Overcharge and over-discharge protection

• Short circuit and reverse polarity protection

• High/low temperature cut-off

• Cell balancing for optimal performance

Ideal For:

• Solar energy storage systems

• Wind turbine setups

• Campervans, caravans, and motorhomes

• Boats and marine power

• Remote cabins and off-grid buildings

The TBB Power 400Ah LiFePO₄ battery combines high-capacity performance with smart functionality and durability, making it a dependable choice for all-season off-grid energy systems.

Battery Specifications

• Nominal voltage: 12.8V
• Nominal capacity: 400Ah
• Nominal energy: 5.12kWh
• Life cycle: 3000 cycles @100% DoD, at 25°C
• Recommended charge voltage: 14.2V
• Maximum charge current: 200A
• Recommended charge current: 100A
• Maximum discharge current: 200A (Continuous)/ 300A (10 minutes)
• Operating charge temperature: from 2°C to +60°C
• Operating discharge temperature: from -30°C to +60°C
• Humidity: 10-90% (RH)
• Size: 462 x 237 x 326.5 mm
• Weight: 42.5kg

This product is covered by a 5 year warranty.

Warranty

Electrical equipment such as solar charge controllers and inverters have 1 year warranty, unless stated otherwise in our product description. Warranty for our own "Photonic Universe" branded products is provided by Photonic Universe Ltd. If we find any defects in our own products within the warranty period, we will repair or replace such products at our discretion free of charge. Warranty for other products is provided by the product manufacturer and terms and conditions of this warranty might be different from our terms and conditions. Full terms and conditions of the warranty can normally be found in the product manual.

Photonic Universe solar panels are covered by 1 year workmanship warranty in relation to assembly, materials and accessories (connection, cables, diodes, frame etc). In addition, there's a separate performance warranty on solar cells provided by solar cells manufacturers. Most manufacturers of solar cells we use for our solar panels provide the standard industry warranty, which is that solar cells are guaranteed to produce at least 90% of nominal power in 10 years and 80% of nominal power in 25 years.

If you suspect a product defect within the warranty period, please contact us by phone or email with a detailed description of the problem. If the problem cannot be solved remotely and an examination is required, you will be asked to send the item back to us for testing at your cost. If we are involved into repair / replacement of the product and the problem is covered by the warranty, we will return the repaired / replaced item to you at our cost. If the item you sent to us under warranty is in good working condition and no defect is found, it will incur a test service charge and the shipping cost to send the item back to you.