<b>Specification</b><br> •Battery Chemistry: Lithium polymer<br> •Configuration: 4S<br> •Voltage(V): 11.1V<br> •Capacity(mAh): 6500mAh <br> •Discharge(C): 80C<br> •Dimension:(L*W*H):5.43x 1.77x 1.89 inch/138 x 45 x 48mm (error 0-3mm ). <br>Battery Weight:524g <br>•Connector Type: XT90 and Deans Plug •Balancer Connector Type: JST-XH<br> <b>Charging Attention </b><br> •1. Please use Professional lipo battery charger.<br> •Please don’t Leave a Battery Charging Unattended!<br> •2.Please check carefully the battery condition about the battery surface and battery voltage before using or charging.<br> •3.Please read the instruction carefully before using or charging.<br> •4.Please recharge your batteries regularly, do not wait for the battery to run out before charging it.<br> •5. If the new battery won’t hold a full charge or loss the charge very quickly in a short time, please use Balance Charger to charge and recycle several times first.<br> <b>Some Tips for you</b><br> •Easy way to check your lipo battery Capacity of currently status (for example 4.2V battery):<br> 100%----4.20V<br> 90%-----4.06V<br> 80%-----3.98V<br> 70%-----3.92V<br> 60%-----3.87V<br> 50%-----3.82V<br> 40%-----3.79V<br> 30%-----3.77V<br> 20%-----3.74V<br> 10%-----3.68V<br> 5%------3.45V<br> 0%------3.00V <br> •<b>ATTATION</b><br>: Never to let the voltage below 3.7V or more than 4.2V<br> •<b>Package List</b><br> •1x6500mAh Battery<br> •1x User manual •1xDeans Plug