Renogy Battery Temperature Sensor for DC-to-DC On-Board Battery Chargers
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Visit CalculatorThe Renogy Battery Temperature Sensor for DC-to-DC On-Board Battery Chargers is designed to improve charging accuracy and extend battery life by providing real-time battery temperature monitoring. When connected to a compatible Renogy DC-to-DC On-Board Battery Charger, the sensor automatically adjusts charging voltage based on battery temperature, ensuring optimal charging performance in both hot and cold environments. Featuring a durable 3-meter cable, RJ12 connector, and simple plug-and-play installation, this accessory is an essential upgrade for maximizing battery health in RV, marine, overlanding, and off-grid power systems.


Everything you need is included with your product.
| Specification | Details |
| Temperature Range | -20°C ~ +80°C |
| Connector | RJ12 |
| Probe | 6*50mm copper |
| Cable Length | 3 meters / 118 inches |
| Cable | 4-conductor copper cable with PVC jacket, 26 AWG |
What does this temperature sensor do?
It monitors the temperature of your battery and allows a compatible Renogy DC-to-DC charger to automatically adjust charging voltage for optimal charging performance.
Which chargers is this sensor compatible with?
The sensor is compatible with Renogy 12V 20A, 40A, and 60A DC-to-DC On-Board Battery Chargers.
Why is temperature compensation important?
Battery charging requirements change with temperature. Automatic compensation helps prevent overcharging in hot weather and undercharging in cold weather, improving battery life.
Where should the sensor be installed?
The sensor should be placed on the top or side of the house battery to provide accurate temperature readings for the charger.
How long is the sensor cable?
The included cable measures 118 inches (3 meters), providing flexibility for a variety of installation layouts.
Is installation difficult?
No. The sensor features a plug-and-play RJ12 connector that simply plugs into the compatible Renogy charger for quick installation.
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