• ☑️【Wide application】: 21700 Batteries size:21mm x 70mm, Capacity: 5500mAh, Voltage:3.6V, Max continuous discharge: 35A, which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, power bank, headlights, toys, remote controls , etc.
• ☑️【Long-lasting and rechargeable】: This 21700 Battery Case Set product is made of durable materials and the quality is very good . Small size and light weight, high capacity, very portable . It can provide you with the necessary charging power source or better help you in emergencies such as travel, emergencies, outdoor adventures, camping or other dangerous situations.
• ☑️【Multiple protections】: The 21700 battery product provides 6 protections, such as temperature protection, short circuit protection, overcharge protection, and overcurrent protection to stabilize the battery. High performance and high reliability, durable replacement for the old or damaged one. Store in a cool, dry place.
• ☑️【Safe and environmentally friendly】: Safe and environmentally friendly, no harm to the environment. The anti-corrosion shell can effectively protect the battery and extend its service life. Preventing waste of non-rechargeable battery. No memory effect, the large battery capacity, allows you to worry no more about your device without power.
• ☑️【CUSTOMER PROTECTION】: 】30 days' refund policy, and 24 hours‘ friendly customer service. Please contact the our support team for the first time if you are not satisfied with this item. We will spare no effort to help you.