DarwinFPV OneLink Battery Parallel Charger 2S/3S/4S LiPo/LiPo-HV, XT30 Input, Parallel Board
DarwinFPV OneLink Battery Parallel Charger 2S/3S/4S LiPo/LiPo-HV, XT30 Input, Parallel Board
DarwinFPV
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Overview
DarwinFPV OneLink Battery Parallel Charger for 2S/3S/4S LiPo/LiPo-HV packs is designed to improve multi-battery charging efficiency and simplify operation while adding layered protection for parallel charging workflows.
Key Features
- Parallel charging for same-model batteries to reduce charging and balancing time compared with charging packs one by one.
- Reduced repeated plugging/unplugging by charging multiple batteries in a single setup.
- Voltage balancing across all cells to minimize overall voltage difference and improve charging efficiency.
- Safety protections: short-circuit protection, overcurrent protection, and independent fuses for each port.
- Compatible with common balance chargers (examples shown: ToolkitRC, ISDT, HotRC).
- Hardware: FR-4 1.6mm thick PCB board + 2OZ thick copper foil; rated to handle 30A high current.
For setup questions or after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications
| Parameter | ONE-LINK 2S Battery Parallel Charger | ONE-LINK 3S Battery Parallel Charger | ONE-LINK 4S Battery Parallel Charger |
|---|---|---|---|
| Input Voltage | 8.4-8.7V | 12.6-13.05V | 16.8-17.4V |
| Charging Current | 2A x 8PCS | 2A x 8PCS | 3A x 4PCS |
| Supported Battery | Lipo/Lipo-HV (2S) | Lipo/Lipo-HV (3S) | Lipo/Lipo-HV (4S) |
| Equalizing current | 2A | 2A | 3A |
| Input Interface | XT30 | XT30 | XT30 |
| Output Interface | XH-JST 3P | XH-JST 4P | XH-JST 5P |
| Dimensions | 2.4x5x11.4 | 2.4x5.8x12 | 2.4x4.6x12.5 |
| Weight | 79.3g | 85.1g | 62.6g |
What’s Included
- ONE-LINK 2S / 3S / 4S Battery Parallel Charger (version dependent)
- Balance Head Extension Cable
- XT60 to XT30 adapter cable
Charging Notes & Safety
- Not recommended to parallel charge batteries with a capacity difference greater than 30% (example: mixing 500mAh and 1000mAh), as it can significantly extend balancing time.
- Not recommended to parallel charge batteries with a large voltage difference (example: mixing single 3.6V and single 3.9V), as it can significantly extend balancing time.
- Do not leave the device unattended while charging.
- RC model products are not toys; ensure the charger is configured correctly and wiring is connected properly.
Details
Charge up to eight same-model LiPo/LiPo-HV packs in parallel to reduce waiting time and simplify your charging routine.
A single setup handles multiple packs at once, helping reduce frequent battery swaps between flights.
Cell balancing across connected packs helps minimize voltage differences for a more efficient, consistent charge.
Built-in short-circuit and overcurrent protection plus independent fuses add extra safeguards for each port.
Works with many popular balance chargers via the XT30 input for easy plug-and-play use.
FR-4 board construction with thickened copper foil supports stable high-current charging and heat dissipation.
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