12.8V 280Ah / 314Ah / 320Ah LiFePO4 DIY Battery Kit with Built-in JK BMS 、Display – EU Stock

Power up your energy needs with our premium 12V LiFePO4 DIY battery kits, available in 280Ah, 314Ah, and 320Ah capacities. Each kit comes with a built-in JK Smart BMS and an integrated display screen for real-time monitoring and superior battery management. Designed for high performance and long lifespan, this kit is perfect for RVs, solar systems, off-grid applications, marine use, and more.

Key Features:

• High Capacity Options: Choose from 280Ah, 314Ah, or 320Ah to suit your power requirements.

• Built-in JK Active Balancing BMS: Ensures reliable performance, cell balancing, overcharge/discharge protection, temperature monitoring, and Bluetooth/RS485/RS232 communication (depending on model).

• Integrated Display Screen: Check battery voltage, current, SOC, temperature, and more – in real-time.

• DIY Ready: Pre-assembled with internal BMS – easy to integrate into your system.

• Fast Delivery from Poland Warehouse: No import duties or long wait times for EU customers.

• Safe & Durable: Built with Grade A LiFePO4 cells for over 6000 cycles at 80% DOD.

• Eco-Friendly & Maintenance-Free: Stable chemistry, no memory effect, and extremely low self-discharge.

Battery box, BMS, LCD, connecting connectors, terminals all are included.

We will offer you installation file and video, which is easier for assembling the pack .

Its good for home energy storage system, UPS, Caravans, RV and others .

Applications:

• Solar energy storage systems

• RVs, camper vans, and caravans

• Marine and boating

• Backup power supply

• Off-grid and remote area power

Since 2010, we've been one of the largest wholesalers of rechargeable batteries.

We solely focus on high - quality, grade A, brand - new batteries.

Our range includes LiFePO4, LTO, Sodium, solid - state batteries, and other trending ones.

Both cylindrical and prismatic cells are available, with capacities from 1300mAh to 320Ah.

These batteries are mainly for EVs and residential energy storage.

We have warehouses in Poland, the USA, and China.

This enables customers to select high - quality products and avoid poor - quality batteries.

It also allows us to deliver products quickly.

Moreover, we have a battery pack factory that supports design, OEM, and customization like 12V, 24V, 48V, etc.

We are an honest team.

Trust our 14 - year experience to help you achieve great success.

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