Off Grid Solar Tiny Home – Cost, Kit Sizes & Install Guide
Off grid solar tiny home is the next phrase most Portable Dwellings buyers Google after picking a cabin or studio. Firstly, you must match panel watts to daily load or the lights go out. Secondly, cheap lead-acid batteries die fast; lithium lasts a decade. Finally, real NZ prices matter, so this guide uses the exact kits we supply.
Off Grid Solar Tiny Home Kit Prices (NZ, incl. GST)
| System | Array | Battery | Best for | Price |
|---|---|---|---|---|
| 5 kW Kit | 5 kW flex panels | 10 kW LiFePO₄ wall | Full-time 40 ft home | $14 999 |
| 3.5 kW Kit | 3.5 kW flex panels | 10 kW LiFePO₄ wall | Weekend studio | $12 499 |
Power Needs for a Tiny-Home Solar Setup
- 5 kW + 10 kW battery – runs lights, fridge, laptop, washer and a heat pump.
- 3.5 kW + 10 kW battery – covers lights, bar fridge, TV, hear pump and chargers in a 20 ft studio.
Why Lithium Fits an Off Grid Solar Tiny Home
Firstly, LiFePO₄ cells cycle 6 000 + times—about 15 years of daily use. Also, they give back 95 % of stored power, while lead-acid drops to 50 %. Finally, our CELL-X packs show battery level on an LED screen, so you know the reserve.
Key Kit Parts
- Bluesun SFLEX 300 W panels – 23 % efficiency, 25-year power warranty.
- CELL-X W10.24a battery – 10 kW, stackable, 10-year warranty.
- CELL-X hybrid inverter – 1–6 kW, 98 % efficiency, 10 ms switch-over.
Install Steps for Tiny-Home Solar
- Set piles & lay conduit before the home arrives.
- Bond flex panels to the Colorsteel roof—no holes.
- Wall-mount the battery near the switchboard.
- Wire the inverter—our sparky finishes in two hours.
Payback on an Off Grid Solar Tiny Home
A 40 ft home using 9 kWh/day saves about $4 000 per year at 44 c/kWh. Therefore, the 5 kW kit pays for itself in 3 years 8 months and keeps saving for another decade.
Ultimately, choosing the right off grid solar tiny home kit wipes out power bills and delivers real freedom. Get a fixed quote today and move in fully powered within 10 weeks.
FAQs
Are prices GST inclusive?
Yes—$14 999 and $12 499 include GST.
Can I add panels later?
Certainly—kits are modular; just plug extra panels into the combiner.
Will the 5 kW kit run a heat pump?
Yes, a 1 kW unit for around 3 hours after sunset.
Do I need consent?
Most regions waive consent for solar under 10 kW; we supply an electrician’s CoC.
How long is delivery?
Batteries and panels ship with your home; install is done the same day.
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