Product overview
The RadioLink CM210 Balance Charger is a compact charging accessory for 2S LiPo batteries. Its 40.5 × 21 × 15 mm body weighs 9 g, giving it a small physical footprint for transport with battery equipment. A USB Type-C connection accepts 5 V DC from adapters, computers, mobile power supplies or car chargers. The supplied configuration comprises the charger, a Type-C charging cable and a packaging bag. Battery charging uses a series architecture with bypass balancing, and dynamic balancing operates throughout the charging process.
The CM210 supports pulse charging up to 1.5 A and lists a 0.8 A balancing current. A 500 mAh 2S LiPo battery has a stated full-charge time of 20 minutes under laboratory conditions, with actual time dependent on the supply's maximum current. Repair mode activates below 3.0 V per cell, while a stated 4.16 V threshold triggers trickle charging with automatic 1C adjustment. Protection includes shutdown for circuit or battery errors, a flashing red no-current alarm, input-voltage adaptation and temperature-dependent current reduction. Charging precision is 0.02 V, efficiency reaches up to 82%, and LEDs indicate charging progress.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | RadioLink CM210 Balance Charger |
| Battery compatibility | 2S LiPo battery |
| Dimensions | 40.5 × 21 × 15 mm |
| Weight | 9 g |
| Power input | USB Type-C, 5 V DC |
| Supported power sources | Adapters, computers, mobile power supplies and car chargers |
| Charging architecture | Series charging with bypass balancing |
| Maximum pulse charging current | 1.5 A |
| Charging and balancing current combinations | 0.8 A charging / 0.8 A balancing; 1.5 A charging / 0.8 A balancing |
| Balancing operation | Dynamic balancing throughout charging |
| Full-charge time | 20 minutes500 mAh 2S LiPo battery; laboratory test; charging time depends on the power supply equipment's maximum current. |
| Repair mode activation | Automatic activation below 3.0 V per cellSingle-cell battery voltage below 3.0 V. |
| Trickle charging | Automatic transition at 4.16 V; automatic adjustment to 1C chargingBattery nearly fully charged, at the stated 4.16 V threshold. |
| Fault protection | Automatic charging shutdownCharger circuit or battery error. |
| No-current alarm | Charging stops automatically and the red LED flashesNo current detected for a prolonged period; duration unspecified. |
| Input voltage adaptation | Current automatically falls back to a predetermined levelPower supply voltage falls to 3.7 V. |
| Temperature protection | Automatic current reduction when hot; predetermined current restored after temperature returns to the safe valueCircuit temperature exceeds the safe value; numerical temperature threshold unspecified. |
| Charging precision | 0.02 V |
| Charging efficiency | Up to 82% |
| Charging indication | Battery power indicator LEDs show charging progress |
| Supplied configuration | CM210 balance charger for 2S LiPo batteries, Type-C charging cable and packaging bag |
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