2S BT3.0 Battery Charger and Voltage Tester

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  • $11.90

BETAFPV offers a 2S version of their Battery Charger and Voltage Tester with the BT3.0 port. This charger is capable of charging LiHV 8.7V batteries. Not only does it have a digital display function, but it also features 2S battery voltage monitoring capabilities. Additionally, it supports PD3.0 fast charging protocol. This compact and portable charger is fully functional and user-friendly, and caters to the charging needs of 2S quadcopter enthusiasts, empowering them to recharge their batteries anytime, anywhere.

Note: LiHV(8.7V) stands for High Voltage Lithium Polymer 2S batteries and LiPo(8.4V) stands for Normal Lithium Polymer Batteries.

2S Battery Charger

  • A compact and portable 2S Battery Charger and Voltage Tester with a digital display, specifically designed for the BT3.0 series of batteries.
  • It supports the PD3.0 fast charging protocol, offering higher power output and multiple charging options for a faster and safer charging experience with compatible devices.
  • Equipped with a digital display function and capable of monitoring battery voltage during charging.
  • Featuring a Type C interface instead of a USB interface, providing an even wider selection of charging options
  • Fulfilling the charging requirements of 2S batteries, this charger is a go-to choice for discerning enthusiasts.


  • Battery Type: BT3.0-LiHV(charging voltage:8.7V)
  • Product Color: White(BT3.0)
  • Input Interface: Type-C USB
  • Input Voltage Range: 5-12V
  • Input Power: Maximum 15W
  • Maximum Input Current: 2.5A
  • Charging Protocol: PD3.0
  • Weight (per charger): 17.0±1.0g
  • Dimensions (L×W ×H): 61*25*17mm
  • Battery Capacity Display: LED Digital Display displays the total voltage and individual cell voltage of the 2S battery.
  • LED Digital Display and Red LED indicate charging status:
LED Digital Display
Indicator Status
Circling rectangular display 
Red light off
Not charging
Total voltage
Red light on
Rectangle symbol
Red light off
Charging completed
No display
Red light flash
Abnormal battery  

    Note: When the charger fails to charge or the red light flashes, please check whether the battery is normal or replace the battery for charging.

      BT3.0 2S Battery Charger

      User Notes

      • Please note the polarity markings on the device and do not connect the charger in reverse polarity.
      • The 2S Battery Charger and Voltage Tester only supports charging for 2S batteries, not 1S batteries.
      • The charger can only charge one battery at a time and is not designed for charging two or more batteries simultaneously.


      This charger is designed to charge 2S LiHV batteries(8.7V) with a BT3.0 battery port. Please note that attempting to charge 2S LiPo batteries(8.4V) may pose a risk of overcharging. To ensure safe and optimal charging, we recommend using it with the BETAFPV BT3.0 450mAh 2S LiHV battery. During the charging process, if the digital display shows a voltage exceeding 8.7V (e.g. 9V), please disconnect the power supply immediately and check if there is any issue with the battery or the charger.

      2S Battery Charger and Voltage Tester

      BT3.0 Series Accessories

      The BT3.0 series accessories represent a line of products tailored exclusively for 2S whoop drones, comprising three categories of items, connectors, battery, and charger, forming an integrated set of accessories capable of working in perfect harmony. The BT3.0 connectors remove the need for balance connectors while streamlining the BT3.0 450mAh 2S Battery and enabling greater convenience and higher performance of the 2S drones. When used in conjunction with the 2S Battery Charger and Voltage Tester, a more efficient and stable charging experience can be achieved.

      BT3.0 Series for 2S Whoop Drone


        • Item: 2S Battery Charger and Voltage Tester | BT3.0
        • 1 * 2S Battery Charger and Voltage Tester | BT3.0
        • 1 * 70*50mm Manual in Chinese and English
        • 1 * 100*150mm Anti-static Bag
        • 1 * Service Card
        BT3.0 2S Battery Charger