Off-Grid 450W Cabin Solar Power System - Base Kit

Off-Grid 450W Cabin Solar Power System - Base Kit
Off-Grid 450W Cabin Solar Power System - Base Kit
$1,694.30 List price $2,347.10

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Select from the hand designed upgrades below
Battery Bank Options
Add-Ons for Trojan Flooded Lead Acid Battery Option 450W Cabin Kit
Mounting Options
Item code Model number
KITCABINBASE450 Off Grid Cabin 450W


See our video on how to use our Off Grid Solar Calculator:

450W Off Grid Cabin
Solar Power System

This 450 Watt Cabin Kit includes 3 150 Watt solar panels. If you need help sizing a system for your off grid cabin, check out our Off Grid System Calculator, to see if this kit is the right size for your needs.

How much power will I get from this 450 Watt Cabin Kit, on average, each month? Find where you live on this Sun Hours Map:

Cabin Kit 450W Insolation Map

Base Components of this Cabin Kit:

We've included the solar panel(s), inverter, and solar charge controller this Cabin Kit. Battery Bank and Mounting options are below.

450 Watt Cabin Kit Includes:
Part Number Item Description Quantity
ALTS-150W-12P altE 150 Watt Solar Panel 3
PVCMC4-MF-15FT MC4 Connector Cables, 15ft 1
GENSR-2HOLES-LN 1/2" Strain Relief, 2 Round Holes/Locknut 1
GENSR-1HOLE-LN 1/2" Strain Relief, 1 Round Holes/Locknut 1
MIDMNPV3 Midnite Solar MNPV3 Combiner Box 1
GENBRKDIN-15 15 Amp Din Rail Mount Breaker 1
MIDKID30AMPPT Midnite Solar KID 30A MPPT Charge Controller 1
MIDMNSPD-115 Solar Surge Protection Device - 115V DC 1
MIDMNDCSERIESC Midnite MNDC Series C Aluminum Enclosure 1
SAMPST-1000-24 Samlex PST 24V 1000W Pure Sine Wave Inverter 1
GENSHNT500/50 500A 50mV Shunt 1
MIDMNEDC-80 80A 150 VDC Panel Mount Breaker 1
GENBRKDIN-30 30A DC Din Rail Mount Breaker 2


For Mounting Options, decide from the table below and add to cart above:

Mounting Type Shingle Roof Mount Option

IronRidge Roof Mount Option
Top of Pole Mount Option

Top of Pole Mount Option
Mounting Option Item Code KITCABIN450ROOF TWOUNI-TP/04
Kit Includes IronRidge XR1000 7' Rails, Mid/End clamps,
Tamarack Solar Top of Pole Mount for up to 3 Panels
PSF Up to 90 PSF Up to 50 PSF


For Battery Bank Options, decide from the table below and add to cart above:

Battery Type Trojan J200-RE Premium Flooded Lead Acid Battery

Trojan J200-RE Flooded Battery
Outback EnergyCell 200NC Sealed AGM Battery

Outback 200NC Sealed Battery
SimpliPhi Power Lithium Battery

SimpliPhi Power Lithium Battery
Battery Bank Item Code KITCABIN450FLA KITCABIN450AGM SIMPHI1310-12V
# of Batteries in Kit
(Necessary cables also included)
(2) Trojan J200-RE Flooded Lead Acid Batteries
8" 2/0 Battery Interconnect Cable, Black
(2) Outback 200NC Sealed AGM Batteries
8" 2/0 Battery Interconnect Cable, Black
8" 2/0 Battery Interconnect Cable, Red
(1) SimpliPhi 1310Wh- 12V Lithium Battery
Maintenance (Watering) Yes No No
Maximum Recommended Depth of Discharge (DoD) 50% 50% 80%
# Cycles at Max Recommended DoD 1600 3000 10000
Battery Voltage 12V 12V 12V
Battery Amp-Hours (C/20 Charge Rate) 200 Ah 178 Ah 102.4 Ah
Battery Watt-Hours (C/20 Charge Rate) 2400 Wh 2136 Wh 1310 Wh
Total Battery Bank Capacity (C/20) 4.8kWh 4.27 kWh 2.62 kWh
Maximum Useable Capacity
at Max DoD
2.4 kWh 2.13 kWh 2.1 kWh
Average Price Per Battery $298 $499 $1745
Average Cost/kWh Cycle* $.16 $.16 $.16
Average Lifespan 7 years 8 Years 15 Years
Operating Temperature Range -20° to 45°C -23° to 60°C -20° to 60°C
Weight per Battery 132lbs 131 lbs 33 lbs
Warranty 5 Years 2 Years 10 Years
Country of Origin USA China USA
Pros Smart Carbon technology for 15% improved cycle life.
Least expensive option up front.
Nano Carbon technology improves charge/discharge.
Avg cost up front.
Maintenance Free.
Maintenance Free.
Modular and lightweight.
Safe, non-toxic,
environmentally benign.
No cooling or ventilation needed.
Lowest lifetime cost.
Cons Maintenance required (watering).
Replacement costs (~4X over life of solar system).
Limited to 4 strings in parallel.
Replacement costs (~4X over life of solar system). Highest up front cost.

*Average Cost/kWh Cycle = (Avg Price Battery/(# Cycles x DoD X Wh)) x 1000

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