Radio systems and receivers: choosing a reliable control link
Channels, receiver protocols, telemetry, range, redundancy and what to check before matching a transmitter to a model.
ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers
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Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
ERS-CV01 - Precision Cell Voltage Sensor for compatible ExpressLRS PWM Receivers is a RadioMaster product intended for RC aircraft, FPV, surface and telemetry receiver installations. This page presents the practical buying information in one place: compatibility, SKU, variants, radio protocol, use case and technical details.
The content is written for customer decision-making through RC-MODEL, without supplier prices or outbound purchase routes.
Key Advantages
- Organized for RC aircraft, FPV, surface and telemetry receiver installations.
- Part of the RadioMaster receiver range.
- RF/protocol context: ExpressLRS / ELRS, 2.4GHz, EdgeTX.
- Includes local product imagery and structured specifications for customer comparison.
Core Specifications
- Product Code: RM0157.ERS-CV01
- Product Family: RadioMaster receiver range
- Protocol / RF: ExpressLRS / ELRS, 2.4GHz, EdgeTX
- Weight: 6.5g
- Real-Time Per-Cell Voltage Monitoring: Instantly view individual cell voltages through your radio for improved battery safety and performance.
- Plug-and-Play Balance Port Connection: Easily connects to the battery's balance port for accurate cell-level voltage readings.
- Future-Ready Pass-Through: Includes an in-and-out port to daisy-chain additional ERS telemetry sensors as your setup grows.
- Seamless ExpressLRS Integration: Designed to work effortlessly with compatible ER series ExpressLRS PWM receiver.
- Item: ERS-CV01 Cell Voltage Sensor
- Operating current (serial): 8mA
- Balance port current (8S): 2mA
- Supported cells: 2-8S
- Battery types: LiPo, LiHV, LiFe, LiIon
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| Technical Specifications | |
| Manufacturer | RadioMaster |
| Brand | RadioMaster |
| Product Code | RM0157.ERS-CV01 |
| All Variant SKUs | RM0157.ERS-CV01 |
| Product Type | ERS Series Sensor |
| RadioMaster Collections | Accessories, ERS Series Sensor |
| Product Family | RadioMaster receiver range |
| Application | RC aircraft, FPV, surface and telemetry receiver installations |
| Item | ERS-CV01 Cell Voltage Sensor |
| Weight | 6.5g |
| Protocol / RF | ExpressLRS / ELRS, 2.4GHz, EdgeTX |
| Temperature range | -10 ℃ to +85 ℃ |
| Size | 43.5 × 25 × 7mm |
| Future-Ready Pass-Through | Includes an in-and-out port to daisy-chain additional ERS telemetry sensors as your setup grows. |
| Seamless ExpressLRS Integration | Designed to work effortlessly with compatible ER series ExpressLRS PWM receiver. |
| Voltage accuracy | ±0.01V |
| Real-Time Per-Cell Voltage Monitoring | Instantly view individual cell voltages through your radio for improved battery safety and performance. |
| Plug-and-Play Balance Port Connection | Easily connects to the battery's balance port for accurate cell-level voltage readings. |
| Operating current (serial) | 8mA |
| Balance port current (8S) | 2mA |
| Supported cells | 2-8S |
| Battery types | LiPo, LiHV, LiFe, LiIon |
Tags: RadioMaster, RM0157.ERS-CV01, RadioMaster Accessories, ERS Series Sensors, RC radio