High-Capacity DIY Lithium Battery Pack with BMS

Premium Li-ion 18650 Cells
– Built with high-performance 18650 lithium-ion cells for superior energy density, long cycle life, and stable power output.
Multiple Voltage & Capacity Options
– Choose from 3.7V, 7.4V, 12V, or 14.8V with capacities ranging from 6Ah to 21Ah, tailored for diverse power needs.
Integrated BMS Protection
– Equipped with a smart Battery Management System (BMS) for overcharge, over-discharge, short-circuit, and temperature protection, ensuring safety and longevity.
Customizable & Rechargeable
– Ideal for DIY projects, solar storage, electric bikes, scooters, power tools, robotics, and backup power solutions.
Robust & Reliable Construction
– Precision-welded nickel strips, durable casing, and premium soldering ensure minimal resistance and optimal conductivity.
Wholesale Advantage
– Globally sourced components, bulk pricing, and ultra-competitive rates for high-volume buyers. Order today for the best value!