These 20pcsDisposable High Energy 555/AAA Alkaline Batteries feature high performance， great durability and environmental protection. They have high energy density and low cost. Besides， they are economically attractive even at limited depth of discharge. They can serve as a low-cost base load for large-scale storage， they work well both in low and high temperature conditions. Generally， they can provide excellent continuous power sources to your device. Believe in them and they can bring you much convenience and efficiency!                                    Features             High quality and durable<br> Provide excellent continuous power sources to your device<br> High capacity， high density and long service life <br> They are good both in low and high temperature conditions<br> Fit for many electronic devices<br> High-performance and environmentally-friendly <br>                                                            Specifications             Type     AAA Battery    <br> Weight     8.08oz / 229g    <br> Color     Black    <br> Dimensions     (1.57 x 0.39)" / (4 x 1)cm (H x Dia.)      <br>                                                             Package Includes            20 x Batteries<br>