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140 Watt RV Solar Maintainer

140 Watt RV Solar Maintainer
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Price: $1,379.00
Availability: 10
Model: 140 Watt 7.91 Amp
Manufacturer: RV Solar Installation
Average Rating: Not Rated

Available Options:
Order your system with Tilting Solar Panel Mounts:

140 Watt 7.91 Amp 12 Volt MPPT Solar Electric Battery Maintainer System

Our installation customers are eligible for a 10% discount on replacement LED lighting bulbs.

The 140 Watt Solar Battery Maintainer system is the perfect system for weekend warriors or vacationers with moderate 12 volt electrical demands. The 140 Watt Maintainer System can produce 39.55 to 55.37 amp hours per day under clear sunny skies*. This system will give you electrical independence and is a great starting point for those new to RV solar electric systems. The 140 maintaier system will charge all types of batteries commonly used in today's RV's.

The advanced circuitry of MPPT solar controllers can boost the battery charge capacity of the system up to 30%. That's like getting a free 25 watt solar panel!

The 140 Watt Solar Battery Maintainer system is expandable to 280 watts! If in the future you find that you'd like more solar power it is possible to add one 140 watt module to the existing system.

The Blue Sky Solar Boost 2000E charge controller is a flush mounted controller that we'll install in a wall somewhere in your RV. The black face plate blends in nicely with RV interiors. The easy to read digital display provides a wealth of information on the systems status. The three position switch on the face of the controller toggles the display from solar current, battery voltage and system boost. System boost is the difference between amps the solar panels are generating and the boosted amps that the controller is sending to the batteries.

The 140 Watt Maintainer System Includes:

  • 1 - Kyocera KD140SX-UFBS 140 watt 7.91 Amp 17.7 Volt (12 volt nominal) Solar Module
  • 1 - Blue Sky Solar Boost 2000E MPPT charge controller
  • 1 - Battery Temperature Sensor
  • 6 - Smart Feet Solar Panel Mounts
  • 40 Foot of 10/2 Tray Cable
  • Complete Installation

The components listed above are our recommendation for developing the best solar system possible. The price of this system can be reduced by selecting the Morningstar SunSaver Duo charge controller. The 140 watt system can be expanded to 280 watt in the future.
System installation time: 1 day

KD 140SX-UFBS Data Sheet
KD 140SX_UFBS Warranty
Blue Sky 2000E MPPT Controller 

Solar Module - 2 year workmanship - 20 year output
Solar Controller - 5 years
Solar Mounts  - 1 year
Solar Installation - 1 year


  • RVSC Dual Tilt Solar Panel Mounts - Tilting solar module mounts combined with an MPPT controller can increase your solar systems output up to 30% during the winter months.
  • Morningstar SunSaver Duo - Changing the default charge controller to a SunSaver Duo will decrease the cost of your installation but you'll loose the benifit of the MPPT current boosting capibilities of the Blue Sky 2000E.

This installed system is only available to our Metro Denver & Colorado customers who are able to leave the RV for installation and system testing.
Prices based on availability and are subject to change if component prices change since last site update. Last update 3/13/13.
Price excludes 4.6% sales tax.

* Based on 5 hours strong sunlight during winter and 7 hours summer.


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140 Watt RV Solar Maintainer
Click to enlarge
140 Watt RV Solar Maintainer
Click to enlarge
140 Watt RV Solar Maintainer
Click to enlarge
140 Watt RV Solar Maintainer
Click to enlarge