This is a 2pcs PKCELL/LR20 DOne-time 1.5V Alkaline Batteries Set we highly recommend. It is associated with one-time use， despite being rechargeable. It has high energy density and low cost， they are economically attractive even at limited depth of discharge. It can serve as a low-cost base load for large-scale storage， it is regarded better both in low and high temperature operations. Generally， it fits for camera， watch， calculators and other electronic devices， and provide excellent continuous power sources to your device.                                    Features            High quality and durableProvide excellent continuous power sources to your deviceHigh energy， high density and long battery lifeIt is good both in low and high temperature conditionsFit for camera， watch， calculators and other electronic devicesHigh-performance and environmentally-friendly                                                             Specifications            Dimensions    (2.36 x 1.38)" / (6 x 3.5)cm (L x Dia)    <br>Weight    9.81 oz / 278 g    <br>Voltage    1.5V    <br>Battery Type    LR20 Battery    <br>                                                            Package Includes            2 x Battery