24V 280Ah/306Ah/314Ah DIY Battery Box for RV ESS

24V Battery DIY Box for 8pcs 280Ah-314Ah Prismatic Cells (with JK Smart BMS)

Take your off-grid power to the next level with our premium 24V battery DIY box. Engineered for high-capacity energy storage, this heavy-duty stainless steel enclosure is the perfect housing for building a professional 24V LiFePO4 battery bank using 8 prismatic cells.

Designed for High-Capacity Prismatic Cells

This 24V battery DIY box is precision-sized to fit 8 pieces of Grade A prismatic cells (Standard dimensions: 173x72x204mm). It is fully compatible with industry-leading brands:

• EVE: 280Ah, 304Ah, 306Ah, 314Ah

• Hithium: 280Ah, 314Ah

• REPT / CATL / Cornex: 280Ah, 302Ah, 314Ah

Smart Power Management with JK B2A8S20P BMS

The heart of this 24V system is the integrated JK B2A8S20P Smart BMS, designed for heavy-duty performance:

• 2A Active Balancing: Automatically equalizes cell voltages to prevent capacity loss.

• 200A Continuous Discharge: High-current output to handle large inverters and motor loads.

• Wireless Bluetooth Monitoring: Real-time data tracking (SOC, Voltage, Temp) via the smartphone app.

• Full Safety Suite: Advanced protection against overcharge, over-discharge, short circuits, and extreme temperatures.

Industrial-Grade Safety & Connectivity

We’ve upgraded the interface for the 24V battery DIY box to ensure maximum safety and convenience:

• 250A Built-in Circuit Breaker: Provides an essential physical disconnect and overcurrent protection for high-power 24V systems.

• 50A Anderson Charging Port: High-speed, plug-and-play charging without the need for traditional M8 terminals.

• All-in-One Dashboard: Features a 3.2-inch LCD status display, a 24V cigarette lighter socket, and dual USB ports for direct DC power.

Complete Packing List (Full Kit)

Everything you need for a professional build is included (Cells sold separately):

• 1x Reinforced Stainless Steel Box

• 1x 250A Circuit Breaker (Pre-installed for safety)

• 2x Heavy-Duty Battery Terminals (Positive & Negative)

• 1x 3.2-inch LCD Display

• 1x 50A Anderson Connector

• 1x 24V Cigarette Lighter & USB Module

• 7x Flexible Busbars (Designed for 8-cell series connection)

• 10x Epoxy Insulation Plates (Comprehensive cell protection)

• 3x High-Spec Silicone Wires (BMS B- to cell, BMS P- to negative, Cell to positive)