Portable LiPo Balance Charger (USB-C, Fast Charging)

The is an ultra-compact 2S LiPo balance charger designed for sailors and RC users who want a fast, simple, and travel-friendly charging solution. It uses a 5V USB-C power input, so it can be powered from everyday sources such as a wall adapter, laptop, car USB charger, or power bank. Charger automatically adapts its charging current to the available power source to avoid overload. Key Features 1) USB-C power input for true portability The portable USB charger runs from 5V via USB Type-C, which means you are not tied to a bulky dedicated charger power supply. You can charge from common modern USB sources, including: USB wall adapters laptops/computers car USB chargers mobile power banks This makes charging at the club, in the workshop, or while traveling significantly more convenient, and you are sure from our products before that Sailboat RC truly cares a lot about your convenience while sailing and visiting many international events through years worldwide. 2) Designed specifically for 2S LiPo batteries This charger is intended only for 2S LiPo packs (7.4V nominal), helping keep operation simple and focused. It supports 2S LiPo only, with charging through the 2S balance connector (3P XH2.54 port). A dedicated charger is often easier to use in the field because there is less setup, fewer menus, and reduced risk of selecting the wrong battery type/cell count. 3) Fast charging with integrated balancing Charging current: up to 1.5A Balance current: 0.8A The fast charger uses a charging approach that combines charging and balancing in a more efficient way (described as “series charging with bypass/dynamic balance”), helping reduce waiting time compared with simpler low-current mini chargers. A 500mAh 2S LiPo can be charged very quickly under favorable conditions (depending on the power source capability). 4) Automatic power-source adaptation (safer for weak USB sources) One of the standout practical features is the chargers’s self-adaptive power behavior. This compact charger automatically adjusts/falls back current when the input source cannot maintain voltage, helping prevent overload of weaker USB supplies. In practice: This improves reliability when charging from different USB sources (older adapters, laptop ports, small car chargers, etc.). 5) Low-voltage pre-charge / repair function It has a low-voltage pre-charge / repair mode that can activate when a cell is deeply discharged (below a stated threshold), intended to help recover over-discharged 2S LiPo packs. Important note for users: This is a useful recovery aid, but any over-discharged LiPo should still be inspected carefully and handled using proper LiPo safety practices. 6) Trickle charging near full charge for battery care It automatically changes behavior as the pack nears full charge (around 4.16V/cell) and switches to a gentler finishing phase (“trickle” / optimized final charging), intended to support both charging efficiency and battery longevity. This is a premium-touch feature for a charger in such a small format. 7) LED charging progress indication This compact fast USB charger uses LED indicators to show charging progress and status. It has battery voltage/progress states and abnormal-condition indications (including red LED abnormal alerts). This allows quick visual confirmation without needing a screen. 8) Built-in protection logic This fast charger will be useful in many radio-controlled sailboats, cars, boats, drones or planes as it also highlights multiple safety behaviors, including: abnormality detection / charging stop no-current detection alarm/stop behavior over-temperature current reduction adaptive current control for safer charging These features are intended to improve safety and protect both charger and battery during charging. Technical Specifications: Product type: 2S LiPo balance charger Supported battery type: 2S LiPo only Input voltage: 5V DC Input connector: USB Type-C Battery connector: 3P XH2.54 balance port (2S balance connector) Charging current: up to 1.5A Balance current: 0.8A Maximum output power: 20W Per-cell full charge voltage: 4.2V max per cell Charging precision: 0.02V Dimensions: 40.5 × 21 × 15 mm Weight: 9 g (approx.) Status indication: multi-LED status/progress indication Modes/operation behavior: charging / balancing with automatic control features; RadioLink also references repair-related low-voltage recovery behavior. What’s in the box The package includes: Fast USB charger USB Type-C charging cable packaging bag / standard packaging contents. ** To complete your premium “RC workflow”, this makes the USB compact charger ideal as a portable field charger or a fast charger in your regatta kit, and we only suggest you to add the following item to your Cart too for charging more batteries at once: https://www.sailboatrc.com/product/fast-charger-wall-adapter-eu-plug-4-usb-ports/