Welcome to visiting our site. We have superior Lithium batteries selling and service. There is no doubt that they are high quality and durable as well as high energy density. Also， these batteries are regarded better both in low and high temperature operations. Generally， they fit for camera， watch， calculators and other electronic devices， and provide excellent continuous power sources to your device. It is worth a try!                                    Features            High quality and durableProvides excellent continuous power sources to your deviceHigh energy density， long life batteryIt is good both in low and high temperature perationsFit for camera， watch， calcutors and other electronic devicesThe battery electric core is from SANYO Japan                                                            Specifications            Brand    TangsFire    <br>Type    18650    <br>Marking Capacity    3600mAh    <br>Voltage    3.6 - 4.2v    <br>Chargering Time    6Hours    <br>Dimensions    6.5 x 1.8cm / 2.56" x 0.71" (L x Dia.)    <br>Plus Plate    No    <br>PCB Protector    No    <br>Rechargeable    Yes    <br>Color    Green    <br>Weight    3.1oz / 88g    <br>Battery Type    Lithium battery    <br>                                                            Package Includes            1 x 2Pcs TangsFire 18650 3600mAh 3.6 - 4.2V Lithium Batteries without Board Green