Welcome to our website， we have different types of batteries sales and service. Today， we are pleased to give you a recommendation of this 2pcs Ultra Fire 18650 3.7V 5000mAH Lithium Battery Yellow. It has the characteristics of high quality and high density， whether operate in low temperature or high temperature， it is durable. In addition， it is rechargeable battery. It can provide continuous power for your device. It is worth having a try!                                    Features             High quality and durable<br> Provides continuous power to your device<br> High energy density， long life battery<br> Durable in low and high temperature operations<br> Fit for camera， watch， calculators and other electronic devices<br>                                                            Specifications             Dimensions     2.56 x 0.71" / 6.5 x 1.8 cm (L x Dia)    <br> Weight     2.82 oz / 80 g    <br> Color     Yellow    <br> Capacity     5000mA    <br> Voltage     3.7V    <br> Quantity     2Pcs    <br> Type     18650 Li-ion Battery     <br>                                                             Package Includes            2 x Battery<br>