w-8 battery replacement for sierra wireless netgear ac779s fuse boost mobile hotspot hantolk <b> battery for w-8 sierra wireless netgear ac779s assure your device next 500 cycle times usage</b><br> <b>product specifications: <b/><br> * battery capacity: 2500mah<br> * battery type: li-polymer<br> * voltage output: 3.85v<br><br> <b>please ensure both model and battery compatible part numbers are matched with your device before purchasing. </b><br> <b>features: </b> <br> 1、built-in battery for w-8. <br> 2、2500mah capacity to meet your needs. <br> 3、voltage: 3.85v, current: 9.5wh. <br> 4、can be used as your spare battery, the original battery is dead, the spare battery can play a big role. <br> 5、100% service guarantee: if you have any dissatisfaction or doubt about our products, please contact customer service as soon as possible, we will give you the best service to guarantee your 100% satisfaction. <br><br> <b>packing list: </b> 1* w-8 sierra wireless netgear ac779s battery. <br><br> <b>attention: </b><br> lithium-ion technology for enhanced battery life. never leave hotspot plugged in to charge for longer than 24 hours. allow battery to drain and re-charge. leaving hotspot plugged into charger without allowing battery to drain, may affect performance of battery and/or ruin battery/device. hotspot should never be left to charge in direct sun, or extreme temperatures (0f/-18c - 113f/45c) <br><br> <b>actual usage time will vary based on user settings, feature use and network. </b><br>