Description
About this battery
This 850mAh 4S FPV Racing Ultra LiPo battery has a 50C continuous discharge rating and a 100C burst rating. Its supplied connections are an XT60 main connector and a JST-XH balance connector on 14AWG silicone leads. The listed pack dimensions are 58 × 29 × 28mm.
Part number OPR 8504S
Charging and care
Match the cell count, connector and physical fit to your model’s requirements. Use a compatible LiPo balance charger and follow the limits on the pack label. Read the safety guidance before charging, using or storing the battery.




