mugg007
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mugg007 got a reaction from Scorp007 in Running Heavy Loads in Daylight to Save Batteries — Advice on My Off-Grid SystemThe heat pump is 1kw. Yes the oven is daytime only
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mugg007 reacted to mzezman in Running Heavy Loads in Daylight to Save Batteries — Advice on My Off-Grid SystemShouldn't be a problem to run the loads during the day - 18kw of inverters should be fine for this
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mugg007 reacted to Bobster. in Running Heavy Loads in Daylight to Save Batteries — Advice on My Off-Grid SystemYour thinking is sound. The way to maximse the potential of any solar system (generation or direct heating) is to quite literally make hay whilst the sun shines.
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mugg007 got a reaction from zsde in Running Heavy Loads in Daylight to Save Batteries — Advice on My Off-Grid SystemBuilding 100% off-grid farmhouse (Location Zinbabwe) — looking for real-world feedback
Planned system:
• 30 × 605 W panels (~18.15 kWp)
• 3 × LuxPower SNA6000 in parallel (18 kW AC)
• 2 × Hinaess PowerGem PLUS 51.2 V, 14.3 kWh each (28.6 kWh nominal) — provision for a 3rd
Use strategy: run all heavy daytime loads (induction 2-plate, under-counter oven, washing machine, 1 HP borehole, 0.5 HP booster VSD, 300 L heat-pump) during sun hours only.
Night loads limited to fridge, freezer, lights, TV, fans, brief booster runs.
Important: I’m intentionally oversizing PV so daytime loads are covered by panels and batteries see minimal daytime cycling — I want these batteries to last as long as possible.
Questions:
1. Is LuxPower + Hinaess a sensible, cost-effective choice here, or should I go Victron + [brand X batteries]?
2. Any real-world experience running heavy daytime loads off-grid like this? What practical pitfalls did you hit?
