The couple of days ago. I search for information on the 3.7V 500mAh battery for UDI U818A RC Quadcopter, so i would like to describe here.
3.7V 500mAh battery for UDI U818A RC Quadcopter. Read more or Check Price
The opinions of the customers who bought this item
Make sure this is the right kind of battery.it is only heard U 818. Buy these so the fun can last longer . by Debbie Walker
Do yourself a favor and buy this battery instead of Tenergy30536. Those other batteries swell . by RC