---
product_id: 3752221
title: "Morningstar Remote Temperature Sensor (RTS) - Connects Battery to Charge Controller to Provide Accurate Battery Temperature Info When Battery & Controller Temperatures are Likely to Differ by >5C"
brand: "morningstar corporation"
price: "51673CFA"
currency: XOF
in_stock: true
reviews_count: 9
category: "Morningstar Corporation"
url: https://www.desertcart.sn/products/3752221-morningstar-remote-temperature-sensor-rts-connects-battery-to-charge-controller
store_origin: SN
region: Senegal
---

# Lightning & short circuit protected Compatible with 6+ Morningstar controllers Accurate temp sensing ±0.1°C Morningstar Remote Temperature Sensor (RTS) - Connects Battery to Charge Controller to Provide Accurate Battery Temperature Info When Battery & Controller Temperatures are Likely to Differ by >5C

**Brand:** morningstar corporation
**Price:** 51673CFA
**Availability:** ✅ In Stock

## Summary

> 🌞 Charge smarter, last longer — the RTS keeps your solar system cool under pressure!

## Quick Answers

- **What is this?** Morningstar Remote Temperature Sensor (RTS) - Connects Battery to Charge Controller to Provide Accurate Battery Temperature Info When Battery & Controller Temperatures are Likely to Differ by >5C by morningstar corporation
- **How much does it cost?** 51673CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/3752221-morningstar-remote-temperature-sensor-rts-connects-battery-to-charge-controller)

## Best For

- morningstar corporation enthusiasts

## Why This Product

- Trusted morningstar corporation brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Extended Sensor Reach:** Long cable length for flexible installation and accurate remote battery temperature monitoring
- • **Trusted Industry Leader:** Backed by Morningstar’s 5-year warranty and decades of solar tech expertise
- • **Rugged Epoxy-Encapsulated Design:** Built to withstand harsh environments and electrical surges for mission-critical reliability
- • **Precision Temperature Compensation:** Ensures optimal battery charging by measuring battery temp when >5°C difference from controller
- • **Universal Morningstar Compatibility:** Seamlessly integrates with SunSaver MPPT, TriStar MPPT, ProStar, and more for versatile use

## Overview

The Morningstar Remote Temperature Sensor (RTS) delivers precise battery temperature data to your charge controller, optimizing charging efficiency when battery and controller temps differ by over 5°C. Encased in durable epoxy within a power lug housing, it offers robust protection against lightning surges and short circuits. Compatible with multiple Morningstar controllers, this sensor ensures reliable, long-term performance backed by a 5-year warranty and Morningstar’s industry-leading reputation.

## Description

Buy Morningstar Remote Temperature Sensor (RTS) - Connects Battery to Charge Controller to Provide Accurate Battery Temperature Info When Battery & Controller Temperatures are Likely to Differ by >5C: Coolant Temperature - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Works great - Works great adjusting charge rate and temp sense is dead on accurate.
Review: Nice Item - Have not really connected this yet, but it looks like it is good, I like the long cord that is on it.

## Features

- REMOTE TEMPERATURE SENSOR: Morningstar's Remote Temperature Sensor (RTS) provides improved battery charging in solar systems that experience temperature variations during the year. It measures temperature at the battery and the controller uses this data for very accurate temperature compensation.
- HIGH ACCURACY: This sensor is essential when the battery temperature differs by more than 5°C (9°F) from the controller, ensuring accurate temperature compensation for improved battery charging. Provides precise temperature readings maintaining reliable performance across a wide temperature range.
- DURABLE & PROTECTION: For defense against harsh environments, the sensor is securely encapsulated in epoxy within a robust power lug housing. This durable construction protects against lightning surges and short circuits for long-lasting performance and reliability in the most challenging conditions.
- CONTROLLER COMPATIBILITY: The RTS is compatible with various Morningstar models including SunSaver MPPT, TriStar MPPT, SunKeeper, SunSaver Duo, and ProStar. The TriStar has no on-board temperature compensation thus requiring the use of the RTS. Other Morningstar controllers will default to an on-board temperature sensor if a RTS is not connected.
- TRUSTED RELIABILITY: Morningstar Corporation is a US company established in 1993 and is a global leader in manufacturing PWM and MPPT solar charge controllers, inverters, and accessories. Renowned for the industry's lowest hardware failure rate, Morningstar provides dependable, innovative technology for advanced solar applications. Morningstar products include U.S. based Tech Support and are the top choice for mission-critical users.
- The RTS is compatible with SunSaver MPPT, SunSaver Duo, SunKeeper, and all ProStar and Tristar controller models
- The RTS is protected from lightning surges and short circuits.
- The sensor is encapsulated in epoxy inside a power lug housing for maximum protection from harsh environments,
- Five year warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0072P8T9U |
| Best Sellers Rank | #897,726 in Automotive ( See Top 100 in Automotive ) #1,552 in Automotive Replacement Coolant Temperature Sensors #32,827 in Automotive Replacement Engine Cooling & Climate Control |
| Customer Reviews | 4.7 4.7 out of 5 stars (82) |
| Date First Available | December 3, 2011 |
| Is Discontinued By Manufacturer | No |
| Item model number | RTS |
| Manufacturer | Morningstar Corporation |
| Manufacturer Part Number | RTS |
| Product Dimensions | 1.4 x 6.9 x 5.5 inches |
| UPC | 102309368277 |

## Product Details

- **Brand:** Morningstar Corporation
- **Color:** metallic
- **Display Type:** LCD or LED or other appropriate display type
- **Item Weight:** 3.2 ounces
- **Material:** Metal

## Images

![Morningstar Remote Temperature Sensor (RTS) - Connects Battery to Charge Controller to Provide Accurate Battery Temperature Info When Battery & Controller Temperatures are Likely to Differ by >5C - Image 1](https://m.media-amazon.com/images/I/71B6BbYDPTL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great
*by J***4 on December 29, 2018*

Works great adjusting charge rate and temp sense is dead on accurate.

### ⭐⭐⭐⭐⭐ Nice Item
*by A***R on May 27, 2016*

Have not really connected this yet, but it looks like it is good, I like the long cord that is on it.

### ⭐⭐⭐⭐⭐ Works. Shows difference 'tween inside on the meter and ...
*by D***H on November 26, 2017*

Works. Shows difference 'tween inside on the meter and outside where the batts are at. Necessary in Phx, where it sits in the summer, to keep charging rates in check to prevent over heating.

## Frequently Bought Together

- Morningstar Remote Temperature Sensor (RTS) - Connects Battery to Charge Controller to Provide Accurate Battery Temperature Info When Battery & Controller Temperatures are Likely to Differ by >5C
- Morningstar SunSaver 15A MPPT Solar Charge Controller SS-MPPT-15L - Solar Panel Regulator, Supports 12/24V LA/Li Batteries. Load/Lighting Ctrl, HazLoc Rated, Low Noise, 5 Yr. WTY - Designed in the USA
- Morningstar SunSaver Duo 25A PWM Solar Charge Controller (SSD-25RM) - Solar Panel Regulator for Two 12V Batteries, Adjustable Charge Settings, Includes Remote Meter, 5 Year WTY - Designed in The USA

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-08*