Battery Storage Box 12V 7Ah to 20Ah with 3S BMS for Lead Acid Replacement

Upgrade your power system with this durable 12V battery storage box designed to convert standard 18650 lithium cells into a compact, high-capacity battery pack. Built with ABS plastic and equipped with a 3S 20A BMS, this enclosure provides safe, stable performance for e-bikes, UPS systems, motorcycles, and other 12V applications. It offers a lightweight alternative to bulky lead-acid batteries while supporting efficient, reliable power output.

Key Features

• Suitable for creating 12V 7Ah–20Ah lithium battery packs

• Includes 3S 20A BMS for safe charging, discharging, and protection

• Compartment holds 3×7 (21 pcs) 18650 cells

• Strong ABS plastic housing for durability and heat resistance

• Lightweight design ideal for replacing traditional lead-acid batteries

• Available in multiple colors: yellow, green, black, blue, gray

• Size: 5.90 in × 2.55 in × 3.70 in

Why Choose Our Battery Storage Box

This battery box provides a practical way to convert 18650 lithium cells into a safer and more efficient 12V power solution. The built-in 3S BMS helps protect your battery from overcharging, over-discharging, and short circuits, ensuring stable operation in demanding environments. It’s perfect for DIY battery projects and users wanting a long-lasting alternative to heavy lead-acid units.

Perfect For

• DIY 12V lithium battery building

• E-bike battery replacements

• Motorcycle battery conversion

• 12V backup systems and uninterrupted power supplies

• Replacing aging lead-acid batteries with lighter, higher-efficiency solutions

📏 Product Dimensions