Introducing the SUPERFIRE AB5 18650 rechargeable lithium battery, offering a substantial actual capacity of 3400mAh for long-lasting power. This battery is designed without PCB protection for simplicity and cost-effectiveness. Utilizing low self-discharge technology, it maintains power during long-term storage. With a high-performance protective circuit board, it ensures voltage stability and reliable performance. Rechargeable up to 500 times, it provides a sustainable and environmentally friendly power solution.