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Battery and Equipment Exchange

CMPower LiFePO4 batteries are designed to last 2,000-4,000 charging cycles if properly cared for.  Thus, if a battery has 50-100 cycles, it is at the beginning of its life.  We have created this page so battery owners who no longer need their batteries because they are selling their boat or moving to a different boat can sell their used LiFePO4 batteries.  This can be a win-win for the battery owner and the buyer.  Custom Marine Products (CMP) does not warranty or take no responsibility for the purchase transaction or the condition of the battery unless it is being sold by CMP.  The transaction is between the battery owner and the buyer.
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It is important to note that the CMPower Battery Bluetooth app provides information about the health of the battery and the number of charge cycles it has logged so the buyer has a pretty good idea about the condition of the battery.  This is what makes the Battery Exchange concept viable.

If you are interested in selling your CMPower battery, simply email us the information listed below and we will post your battery or solar equipment listing.

CMPower LiFePO4 Batteries

Battery Specifications
Rated Capacity                 100Ah
Nominal Voltage                12.8V
Continuous Current           100A
Charge Cycles Used         2 cycles/2000+
Dimensions                        13x6.7x8.3 inches
Month/year Purchased       6/2020
Bluetooth                            YES
Application                          Used as a test battery
Asking Price                        $399
Condition                             Excellent
Quantity                               1

Owner Contact Information
Owner Name                      Tom Trimmer
Email                                   [email protected]
Phone                                  248 705 8337
Location                               Michigan
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Battery Specifications
Rated Capacity                 125Ah
Nominal Voltage                12.8V
Continuous Current           150A
Charge Cycles Used         13 cycles/2000+
Dimensions                        13 x 6.8 x 8.3 inches
Month/year Purchased       3/2021
Bluetooth                            YES
Application                          Used as test batteries
Asking Price                        $499 each
Condition                             Excellent
Quantity                               2

Owner Contact Information
Owner Name                      Tom Trimmer
Email                                   [email protected]
Phone                                  248 705 8337
Location                               Michigan
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Battery Specifications
Rated Capacity                 180Ah
Nominal Voltage                12.8V
Continuous Current           150A
Charge Cycles Used          2 cycles/2000+
Dimensions                        19.3x6.7x9.5 inches
Month/year Purchased       9/2020
Bluetooth                            NO
Application                          Used as a test battery, no Bluetooth
Asking Price                        $499
Condition                             Excellent
Quantity                               1

Owner Contact Information
Owner Name                      Tom Trimmer
Email                                   [email protected]
Phone                                  248 705 8337
Location                               Michigan
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CMPower Solar System Equipment

Semi-rigid Solar Panel Specifications:
Panel Type:                   Class A Monocrystalline 45 SunPower Cells    
Rated Power                              150 Watts
Peak Power Voltage (Vmpp)      25.5 Volts 
Peak Power Amps (Impp)            5.9  Amps 
Open Circuit Voltage (Voc)         30.1 Volts 
Short Circuit Current (Isc)             6.4 Amps
Cell Conversion Efficiency             23.7%

Manufacturer's Warranty         1 Year @ 80% + 4 Yrs prorated
Dimensions                                 26" X 48"
                                               660mm X 1219mm
Weight                                  13.5 pounds, 5.7 kg 
Output Connections:         6 foot (2 meter) duplex cable 3/8 inch OD

Asking Price                        $299
Condition                             Corners were bent during shipping.  Refurbished
Quantity                               2

Owner Contact Information
Owner Name                      Tom Trimmer
Email                                   [email protected]
Phone                                  248 705 8337
Location                               Michigan
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Rigid/glass Solar Panel Specifications:
 Panel Type                   Class A Monocrystalline Bosch
 Rated Power                                     105 Watts 
 Peak Power Voltage (Vmpp)                17.5 Volts 
 Peak Power Amps (Impp)                      6.0 Amps 
 Open Circuit Voltage (Voc)                   21.6 Volts 
 Short Circuit Current (Isc)                     6.48 Amps
 Cell Conversion Efficiency                    17.87%
 Manufacturers Warranty                       5 Years 
 Dimensions                                         26.38" X 39.37"
                                                           670mm X 1000mm 
 Weight                                               18 pounds, 8.2 kg 
 Output Connections:                            MC4

 Asking Price                        $199 each
Condition                             Excellent
Quantity                               3

Owner Contact Information
Owner Name                      Tom Trimmer
Email                                   [email protected]
Phone                                  248 705 8337
Location                               Michigan
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Efficiently and Sustainably Powering Your Boat. Call us any time, we're happy to help you work through designing your boat/van/RV's solar system.
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  • Home
  • Marine Solar Panels
    • Marine Solar Panels
    • Flexible Marine Solar Panels
    • Semi-Rigid Walk On Marine Solar Panels
    • Rigid Marine Solar Panels
    • Stern Rail Mounted Solar Panels
    • Kits - Solar System Kits
    • Van Solar Panels
    • Portable Solar Panels
  • Kits&Electronics
    • Kits - Solar System Kits >
      • Flexible Solar Panel Kits
      • Semi-rigid Solar Panel Kits
      • Rigid Solar Panel Kits
      • Auxiliary Solar Panel Kit
      • Portable Solar Panels
    • Solar Controllers & Electrical >
      • MPPT DuoRacer Dual Output Series
      • MPPT Tracer Series
      • MPPT Victron Smart Solar Series
      • MPPT Xtra-N Series
      • PWM Duo Dual Output Controller
      • Electrical Components
    • Mounting Systems >
      • Flexible Panel Mounting Systems
      • Semi-rigid Panel Mounting System
      • Rigid Panel Mounting System - Top Of Pole
    • Inverters
    • Outboard Motor Lifting Crane
    • Solar Water Heating System For Boats
    • Visit Our Store
  • Lithium Batteries
    • LiFePO4 Lithium Batteries
    • Portable Power Stations
  • Reviews & Installations
    • Reviews/Customer Comments
    • Gallery of Installations
  • System Design
  • Support
    • FAQ
    • Solar System Design & Installation
    • Manuals & Information
    • Solar System Installation Pointers
    • Troubleshooting
    • Contact Us
    • Solar System Installers
    • Battery Exchange Plus
    • Handy Products We Don't Carry
    • Freight Forwarders for International Shipping
    • About us
    • Call (248) 705-8337
    • Return Policy
    • Shipping Rates
    • Marine Solar Panel Sizing Calculator Tool
  • Blog