Overview
The Inner Balance™ Coherence Plus Bluetooth Sensor is powered by a high-efficiency lithium-ion polymer battery designed for long-term use and stability. This internal power source enables the high-precision 500 Hz sampling required for medical-grade HRV accuracy.
Battery Specifications
- Type: Lithium-ion / Polymer (Model 301730).
- Performance: Provides up to 80 hours of battery life on a single charge.
- Energy Density: 0.444 Wh at a nominal 3.7V.
- Weight: The battery cell weighs only 3.1g, contributing to the sensor’s lightweight 1.5 oz total weight.
Charging Best Practices
- Connector Type: Always use a USB-C cable for charging.
- LED Indicators:
- Blinking Red: Low battery (charge required).
- Pulsing Amber/Orange: Currently charging.
- Solid Green: Fully charged and ready for use.
- Standard Power: Charge via a standard computer USB port or a 5V USB wall adapter.
Safety and Maintenance
The battery is housed in a strong, non-serviceable PC-ABS thermoplastic pod. Users should not attempt to open the pod, as this voids the warranty and may damage the seal. The battery has passed rigorous UN38.3 testing, including altitude simulation, thermal cycling, and vibration, ensuring safety during air and sea transport.