We are so glad here to recommend you these 2pcs 3.7V 3000mAh 40A AWT IMR High Power Rechargeable 18650 Lithium Batteries! With high-grade cells， it supports heavy load discharge. 3000mAh high capacity offers a long battery life. Compared to traditional alkaline batteries， it has no memory effect and a much longer storage life of charge-discharge recycling. These batteries are also perfect as an emergency back-up or just to extend the use of device between charges. You need to have a try!                                    Features             A great choice for emergency back-up<br> High-grade cells， support heavy load discharge<br> 3000mAh high capacity offers a long battery life<br> Long storage life of charge-discharge recycling<br> Suitable for electronic cigarette or electric tools   <br>                                                            Specifications             Brand     AWT    <br> Model     IMR18650    <br> Color     Red    <br> Weight     3.17oz / 90g    <br> Dimensions     (2.51 x 0.66)" / (6.4 x 1.7)cm (L x Dia.)    <br> Quantity     2 pcs    <br> Battery Capacity     3000 mAh    <br> Battery     Recharge Li-ion Battery    <br> Output     3.7V / 40A       <br>                                                             Package Includes            2 x Batteries<br>