BetaFPV 1S LiPo/LiHV Whoop Battery USB Charger - Choose BT2.0 or PH2.0

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What a convenient product! This charger is tailored for 300mAh 1S battery. Not only a charger, but also a cell voltage tester! Thanks to the on-board LCD display. The charge current is up to 1A, which improved its efficiency and shorted the charging time. Be sure to choose BT2.0 or PH2.0!

Check out all our 1S chargers, and our BetaFPV gear!


BT2.0 Not sure if it's worth to switch BT2.0? Check more from Joshua Bardwell's video. Proof that BT2.0 connector is better than PH 2.0


  • Designer for either BT2.0 or PH2.0 batteries (choose version)
  • Supports to charge two batteries at the same time, its charging current has upgraded from 0.5A to 1A, which makes the charge speed increase to 2 times.
  • Ingenious design of USB input, it is very convenient for charging. Compatible with mobile phone adapter, computer, etc.
  • Have two functions of testing voltage and charging in one, compact and easy to carry.


Power-on state

  • OUT1/OUT2 can be charged simultaneously
  • Input : USB-5V/2A
  • Output : 4.35V/1A
  • The red light indicates charging, and the green light indicates full charged

    Power-off state

    • OUT1 can be used as battery tester while OUT2 does not possess any function


    • Model: 1S Battery Voltage Checker 
    • Plugs: BT2.0 or PH.20
    • Voltage: Works with regular and HV battery packs
    • Voltage cut off: DC 2.45-4.70V
    • Voltage range: DC 2.50-4.70V(1S)
    • LCD: Red
    • Weight: 15.35g
    • Dimensions: 66.3*23.6*14.4mm
    • Working tem: -20~75℃
    • Storage tem: -25~85℃


        • 1x Battery Charger and Voltage Tester (BT2.0 or PH2.0)