What a convenient product! This charger is tailored for BT2.0 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. 


  • Specially made for our BT2.0 300mAh 1S battery. Thoughtful design of BT2.0 connector, so you could charge 1S battery of PH2.0 cable by using the adapter cable.
  • 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: BT2.0 1S Battery Voltage Checker 
  • Plugs: BT2.0
  • 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℃

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BT2.0 Battery Charger and Voltage Tester

  • Brands BetaFPV
  • Product Code: BT2.0 Battery Charger and Voltage Tester
  • Availability: 1
  • 10.90CHF

  • Ex Tax: 10.90CHF

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Tags: BT2.0, Battery Charger, Voltage Tester, BetaFPV, Tiny Whoop