Li-ion 18650 6800mah 3.7v rechargeable battery generally used in flashlights, lasers and similar electronic products. charge for a long time before use. large size battery rechargeable flashlights should be used after fully charged. products are checked and sent at the lantern. it has an average height of 6.3 cm to 6.5 cm. it is 1.8 cm in diameter. the pen battery is one size larger and 1 piece will be sent. maximum 10 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 10. there is less than 5 stocks to be sold at the campaign price. the seller determines the selling price of the product you have examined. a product can be sold by more than one seller. the sellers of the products offered for sale by more than one seller are listed according to the price they set for the product, the seller points, the delivery status, the promotions on the products, whether the cargo is free or not and whether the products can be delivered with fast delivery, the stock and categories of the products. is highlighted. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.