The Renogy Battery Shunt 300 is a high-precision, smart battery monitoring solution designed for advanced energy systems in RVs, boats, solar arrays, and off-grid setups. Supporting up to 300A continuous current and voltages between 8V and 120V, this battery shunt delivers real-time, accurate insights into your battery bank’s state of charge (SOC), voltage, current, temperature, and energy flow—empowering you to monitor performance, optimize usage, and extend battery life.
Equipped with Bluetooth LE and Bluetooth Mesh connectivity, the Battery Shunt 300 connects seamlessly with the Renogy DC Home App and Renogy ONE Core for intuitive local and remote monitoring. It’s compatible with a wide range of battery types, including LiFePO4, AGM, GEL, lithium-ion, and NiMH, making it a versatile choice for diverse energy storage applications.
Designed for both parallel and series battery configurations, the shunt includes dual battery voltage inputs (B1/B2) and a temperature sensor (T1) to ensure safe, stable operation even in demanding conditions. It also features customizable alarms, automatic SOC synchronization, and historical data logging—all packaged in a compact, surface-mountable design that’s easy to install and maintain.
Check Your Battery Charging Level Anytime Anywhere
Ensures precise battery monitoring via the Renogy ONE Core and DC Home App.
Data Analysis
Track Battery Data Performance Over Time.
The Shunt 300 helps record historical data via Renogy ONE Core and DC Home App.
Batteries Compatibility
Compatible With All Types of Batteries
The Shunt 300 is compatible with all your starter battery and main batteries.
Trusted Performance
Certified Performance
The Shunt 300 has undergone comprehensive testing to not only meet but also surpass exceptionally high standards of excellence.
Temperature Sensor
Battery Temperature Sensor
Detection of the battery temperature is possible with the included temperature sensor.
Track Battery Data Performance Over Time.
The Shunt 300 helps record historical data via Renogy ONE Core and DC Home App.
5-Minute Installation
Effortless Installation in 5 Minutes
It can be placed on top of the battery or securely mounted on the wall with screws. The connection points feature protective covers to effectively safeguard against any loosening caused by various movements.
Fast Connection in 4 Steps
When paired with Renogy ONE Core and DC Home, the Shunt 300 provides a seamless real-time data display experience.
Quick Setup Involves Simple Operations to Get Started
The initial steps for a quick setup are designed to be user-friendly and straightforward, ensuring that users can get started with ease.
Key Features & Benefits
Accurate, Real-Time Battery Monitoring
Tracks SOC, current, voltage, power consumption, remaining runtime, and battery temperature with ±1% accuracy.
Universal Battery Compatibility
Works with all major battery chemistries—Lithium (LiFePO4, Li-ion), AGM, GEL, and Nickel-metal hybrid, supporting capacities from 1–6500Ah.
Integrated Bluetooth Connectivity
Pair with the DC Home App or Renogy ONE Core for easy setup, monitoring, firmware updates, and customizable alarm settings.
Advanced System Protection & Data Logging
Configurable alarms for high/low voltage, SOC, temperature, and charge/discharge current. View historical charge/discharge cycles and battery health data.
Compact, Easy-to-Install Design
Surface-mounted with M10 terminals and optional mounting accessories. Includes 3/8 in lugs, temperature sensor, and quick setup guide.
System Integration
Compatible Apps: DC Home App, Renogy ONE Core
System Types: 12V, 24V, 48V battery banks
Communication Protocols: Bluetooth LE/Mesh
Multi-Battery Support: Monitor batteries in series or parallel
Starter Battery Voltage Monitoring: Optional B2 input
What’s in the Box
Renogy Battery Shunt 300
B1/B2 wires (22 AWG, 1m)
Battery temperature sensor (1.5m)
Mounting screws (3)
Quick Guide
Required terminals & installation tools (user-supplied)
Ideal Applications
RV and camper van power systems
Off-grid solar battery banks
Marine battery monitoring
Cabin or tiny house energy setups
Commercial fleet battery management
The Renogy Battery Shunt 300 is your go-to solution for advanced battery diagnostics, safe power management, and real-time energy monitoring in mobile and stationary solar systems. Whether you’re off-grid, on the road, or preparing for peak energy performance—this device gives you total visibility and control.
High-Precision Battery Monitoring – Accurately tracks state of charge (SOC), voltage, current, temperature, and remaining runtime for 12V, 24V, and 48V battery systems up to 300A continuous current.
Universal Battery Compatibility – Supports a wide range of battery types including LiFePO4, lithium-ion, AGM, GEL, and NiMH, with capacity monitoring from 1Ah to 6500Ah.
Real-Time Bluetooth Connectivity – Easily pairs with the Renogy DC Home App and Renogy ONE Core via Bluetooth LE and Mesh for seamless local and remote monitoring.
Customizable Alarms & Historical Data Logging – Set thresholds for voltage, SOC, current, and temperature with automatic alerts and track detailed battery usage history over time.
Compact, Surface-Mount Design – Easy to install with M10 terminals, temperature sensor input, and multi-battery configuration support for RVs, marine systems, solar arrays, and off-grid energy setups.
