BetaFPV 2S Battery Charger and Voltage Tester (Power Cable Version)

Pocket-size BetaFPV charger and voltage checker for 2S packs used on micro FPV quads such as 2S whoops and toothpicks. It runs from any USB-C supply, including a PD power bank at the field, and its digital display shows the pack's total and per-cell voltage while it charges.

Key features

• USB-C input with PD3.0: accepts 5–12 V at up to 15 W
• Digital voltage display: total pack voltage plus each cell, live during charging
• Red status LED: off when idle, on while charging, flashing on an abnormal battery
• 2S only, single channel: charges one 2S pack at a time and does not support 1S packs
• 17 g: small enough to live in a whoop case

Specifications

• Input: USB Type-C, 5–12 V, max 15 W, max 2.5 A
• Fast-charge protocol: PD3.0
• Charge voltage: 8.7 V on the BT3.0 version (2S LiHV), 8.4 V on the XH2.54 version (2S LiPo)
• Channels: 1
• Dimensions: 61 × 25 × 17 mm
• Weight: 17 g

BetaFPV builds this charger in a BT3.0 version that charges 2S LiHV packs to 8.7 V and an XH2.54 version that charges 2S LiPo packs to 8.4 V. Match the charge voltage to your pack chemistry; a standard 2S LiPo must never be charged to LiHV voltage.