You must feel it troublesome when your LG MS840 Connect 4G runs out of power suddenly under emergency. If you prepare another new and high-capacity battery or replace the old and unworkable original one， you will find it more convenient. This 3.7V 3700mAh Thickened Li-ion Battery + Black Back Cover for LG MS840 Connect 4G we highly recommended is very reliable in performance. Designed into thickened type， it is durable and wear resistant. Besides， safe material ensures your health and safety when using and charging. High capacity design is great to provide you with long standby time and wonderful talking time. This battery can be recharged hundreds of times， very cost-effective and environment-friendly. Enjoy endless pleasure via your cell phone with this high capacity battery!                                    Features            This replacement battery has an integrated microchip to prevent overcharging and to extend battery life Best replacement battery with long-time standby and talk time With an extra back cover for convenient replacement3700mAh high capacity provides you with stable performanceLight weight， high capacity and low impedanceCost-effective and environment-friendly Compatible with LG MS840 Connect 4G                                                             Specifications             Battery Type     Lithium Ion Battery    <br> Dimensions     (2.56 x 1.73 x 0.39)" / (6.5 x 4.4 x 1)cm (L x W x H)    <br> Voltage     3.7V    <br> Capacity     3700mAh    <br> Weight     2.82 oz / 80 g    <br> Compatible with     LG MS840 Connect 4G       <br>                                                             Package Includes            1 x Li-ion Battery<br>1 x Black Back Cover<br>