Description

The RadioMaster ERS-CV01 Precision Cell Voltage Sensor delivers accurate real-time per-cell voltage monitoring, helping pilots maximize battery safety, performance, and confidence during every flight through seamless ExpressLRS telemetry integration. Its compact plug-and-play design, support for 2–8S batteries, future-ready pass-through expansion, and EdgeTX compatibility provide effortless battery management, detailed telemetry logging, and reliable voltage monitoring for FPV, RC aircraft, helicopters, and fixed-wing enthusiasts.

Features

• 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.

Specifications

• Item: ERS-CV01 Cell Voltage Sensor
• Operating voltage (serial port): 5–8.4V
• Operating current (serial): 8mA
• Balance port current (8S): 2mA
• Supported cells: 2–8S
• Battery types: LiPo, LiHV, LiFe, LiIon
• Voltage accuracy: ±0.01V
• Temperature range: –10 ℃ to +85 ℃
• Size: 43.5 × 25 × 7mm
• Weight: 6.5g

Size

Weight

Package Includes

• 1 x ERS-CV01 Cell Voltage Sensor
• 3 x Heat-Shrinkable Tube
• 1 x Manual QR Code Card