Product overview
The RadioLink CM120 is a portable charger for 1S LiPo batteries, positioned as a companion to the F121. Its stated size is 16cm and its weight is 10g, making it a compact accessory for a flight equipment bag. Power enters through a USB 5V DC input, with adapters, computers, mobile power supplies and car chargers identified as usable sources. The supplied configuration consists of one CM120 charger and one packaging bag.
Selectable 1A and 2A charging currents provide two operating settings, with the maximum 2A setting intended for outdoor emergency charging. A 660mAh battery has a stated full-charge time of 20 minutes under laboratory conditions; the time depends on the power supply’s maximum current. Charging precision is 0.02V and efficiency reaches up to 82%. The charger automatically detects battery capacity and switches to trickle charging at 4.16V, adjusting to 1C. A flashing red LED indicates charging, while steady green indicates completion.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | RadioLink CM120 |
| Product type | 1S LiPo battery charger |
| Intended companion | F121 companion charger |
| Power input | USB, 5V DC |
| Supported power sources | Adapters, computers, mobile power supplies and car chargersUSB 5V DC input. |
| Selectable charging current | 1A or 2A |
| Maximum charging current | 2AOutdoor emergency use. |
| Charging time | 20 minutes660mAh battery; laboratory test data; charging time depends on the maximum current of the power supply equipment. |
| Full-charge indication | Steady green LEDBattery fully charged. |
| Charging indication | Flashing red LEDCharging mode. |
| Size | 16cm |
| Weight | 10g |
| Charging precision | 0.02V |
| Charging efficiency | Up to 82% |
| Battery capacity detection | AutomaticDuring charging. |
| Automatic trickle-charging threshold | 4.16VBattery nearly fully charged. |
| Charging-rate adjustment | 1CTrickle charging after the battery voltage reaches 4.16V. |
| Packing list | 1 × CM120 1S LiPo battery charger; 1 × packaging bagSupplied configuration. |
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