povway 5200mah 2s lipo battery 50c 7.4v rc battery hard case for rc cars, rc truck, rc airplane, rc helicopter, drone, quadcopter (2s 5200mah 50c tplug -1pack) povway <b>specification</b><br> •battery chemistry: lithium polymer<br> •configuration: 2s<br> •voltage(v): 7.4v<br> •capacity(mah): 5200mah <br> •discharge(c): 50c<br> •dimension:(l*w*h):5.35x1.77x0.95 inch/136x45x24 mm (error 0-3mm ). <br>battery weight:9.9oz/281g.<br>•connector type: deans/t 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> •2x5200mah battery<br> •2x user manual<br>