Reely X-140 RTF Operating Instructions Manual page 41

d) Rechargeable battery
Input voltage .........................................5 V/DC (via USB)
Rechargeable battery and voltage ........LiPo 3.7 V
Capacity ................................................450 mAh
Charging time .......................................approx. 60 min.
Weight ..................................................12 g (rechargeable battery only)
e) USB charger
Input voltage/current .............................5 V/DC (via USB)
Output voltage ......................................5 V/DC
Input current .........................................min. 500 mA
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