Are you still seeking for a sort of high performance and eco-friendly battery? This 10Pcs LR721 1.5V Button Cell Alkaline Batteries may be a great choice for you. Manufactured with positive material， it guarantees great security of usage. Except that， rechargeable batteries have lower total cost of use and environmental impact than disposable batteries. These batteries can be circularly charged. Each time asks for just several hours charging time， and then you will get fully charged batteries. Additionally， button cell design makes it compact and attractive. It is really an ideal choice. Take one back home; you won’t be disappointed!                                    Features            Made of positive material， security is guaranteedUnique design and non-toxic chemical compound usedSeveral hours’ charging guarantees full power supplyRechargeable batteries have lower cost and environmental impactIt is valuable in wide fields， such as electronic devicesWith creative design of button cell                                                            Specifications             Voltage     1.5V    <br> Type     LR721 Alkaline Battery    <br> Quantity     10PCs    <br> Gross Weight     0.32 oz / 9 g    <br> Color     Silver     <br>                                                             Package Includes            10 x Battery<br>