Battery is of great importance in our daily life. Here we have various distinct batteries in our company. We have superior lithium batteries selling and service. Today we would like to recommend you our TangsPower 2100mA 3.7-4.2V Rechargeable 18650 Li-ion Battery with Battery Charger. 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. Rechargeable batteries have lower total cost of use and environmental impact than disposable batteries. Above all， they are suitable for many electronic devices; and it provides excellent continuous power sources to your device. There is a US standard charger included， with which you can charge battery conveniently. Why not make a wise decision right now?                                    Features            High quality and durableProvide excellent continuous power sources to your deviceHigh energy density， long life batteryIt is good both in low and high temperature operationsIt is suitable for many kinds of electronic devicesWith an additional US standard charger                                                            Specifications             Charger Input     100-240V AC， 50/60Hz    <br> Charger Output     4.2V DC， 650mA    <br> Charger Standard     US Standard    <br> Charger Color     Black    <br> Charger for     1 x 18650 Battery    <br> Battery Capacity     2100mA    <br> Battery Voltage     3.7V    <br> Battery Type     18650 Rechargeable Li-ion Battery    <br> Cable Length     31.10" / 79 cm    <br> Weight     5.19 oz / 147 g     <br>                                                             Package Includes            1 x Battery Charger<br>1 x 18650 Battery<br>