5 stars for WLtoy V911 3.7V 130mAh Li-Polymer Battery for Helicopter - Silver + Black. If you have a Wltoys V911, you know you have to buy this Balance Bar For WLtoys V911 4CH RC Mini Helicopter (2-Piece). In Deal Extreme they have a very good price for you. This one is very easy to replace the old battery ... Read more
- very cheap price
- seems like decent quality batteries
- seems to be same capacity as original batteries
- my heli now has tons of flight time without need to charge constantly - my heli now has tons of flight time without need to charge constantly (now the motors get a slightly hot due to constant ... Read more
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