True 3500mAh 18m Long-Lasting Lithium Batteries (2 Pack) for Flashlights & Headlamps

A Complete Set Of Specifications

HW 3.7V 18mm Rechargeable Battery

Battery Type and Size - Bottom-Top Type Battery: The battery measures 70mm x 18.5mm, slightly 5mm longer than a regular 18650 battery due to its higher capacity. - Compatibility: Please ensure your device is compatible with this battery before purchasing. The battery is not sold with restricted lithium-ion standalone batteries.

Reliable True Capacity of 3500 mAh - Exact Capacity: This HW 3.7V 18mm rechargeable battery provides a genuine 3500 mAh capacity. - Longevity: Batteries claiming to exceed 5000 mAh often have a much lower actual capacity, making this one a reliable choice.

Built-in Micro USB Port - Easy Charging: Charge with the included 2-in-1 USB cable, no additional charger needed. Simply plug into any USB port anytime, anywhere. - Long Life: More than 1200 charging cycles, making it eco-friendly and cost-effective.

Safety Features - Integrated Safety Circuit: Equipped with a built-in safety circuit, which protects against over-charge, over-discharge, short-circuit, and over-heat. - Complete Safety: Ensures complete safety during charging, providing peace of mind.

High Performance - Stable Output Voltage: Supports a stable 3.7 volt output voltage, ensuring your devices work more stably and last longer. - Ideal Replacement: Perfect for high-frequency use devices, offering optimal performance.

Environmentally Friendly - Rechargeable and Efficient: As a professional battery manufacturer, HW focuses on efficient and energy-saving rechargeable batteries. - Compared to Alkaline Batteries: Rechargeable batteries offer over 1200 cycles, low self-discharge, and constant voltage, providing stable power. - Recyclable and Cost-Effective: Recyclable and cost-effective for repeated use, reducing environmental pollution.

Initial Charging Note - 50%-60% Precharged: The batteries are only precharged to 50%-60% of capacity. - Full Charge Required: Fully charge the batteries to achieve the best performance after 3-5 cycles of charge and discharge.