Innomax Engineering Group

15/08/2026

Absolutely 💯

Before you pick that 5 or 6 kva inverter for your 15.216kW solar + 17.5kVA load, here are the key things you MUST check first:

1. Load Type & Surge
• Motor Loads: Freezers, washing machines, sewing machines, ACs all have 3-5x starting current
• Your 76A running can become 200A+ on startup if 3-4 motors start together
• Solution: Get inverter with 200% surge for 10s and Type C breakers on motor circuits

2. PV Input Rating
• Your array: 24 × 634W = 15.216kW DC
• Check: Inverter MPPT must take ≥16kW PV and VOC ≥ 600V
• 12 panels in series @ 49Voc = 588V. Too close to 600V limit. In cold mornings VOC rises.
• Solution: 2 strings of 12, but confirm inverter max VOC is 800V-1000V

3. Battery Voltage & Charging
• 48V System: For 20kW inverter you need ≥400A battery discharge
• 30kWh or 65kWh bank: Can the BMS deliver 400A continuous?
• Charge Current: 15kW PV can push 15,000W / 48V = 312A into battery. Battery must accept that.

4. Backup Mode & Transfer Time
• Switching time: Must be

14/08/2026

5kva inverter paired with a 5kwh lithium battery by felicity on the roof we have 8 units of 550w half cut solar panel. This system will be powering 2 units of 1 hp inverter Ac

08/08/2026

It’s a wrap guys the installation of a 550w jinko solar panel 8 units

08/08/2026

550w jinko panels install

07/08/2026

03/08/2026

Proper panel sizing is where 90% of off-grid projects fail or succeed.

For an ice block factory, if your panels are wrong, you either waste money or your system dies at night.

Here’s why it’s so critical 👇

1. It Determines If You Actually Run 24/7
Ice machines need to freeze day AND night.
Panels = your only fuel source during the day
If panels are too small:
1. They can’t run the machines AND charge batteries at the same time
2. By 6pm your batteries are half-empty
3. By 2am system shuts down = melted ice = lost money

Proper sizing = Machines run + Batteries full by 3pm

2. It Protects Your Battery Investment
Batteries are the most expensive part.
Undersized panels = batteries stay in “partial charge” daily.
That kills Lithium in 2 years instead of 10. Kills Lead Acid in 6 months.
Proper sizing = batteries charge fully every day = 10yr lifespan

3. It Saves You Money Long Term
Oversized panels = wasted upfront cost.
Undersized panels = you’ll add more panels + new inverter + labor in 6 months. That costs 2x.
Proper sizing = Right CAPEX once + Zero diesel cost forever

4. It Handles Bad Weather Days
Nigeria has cloudy/rainy days. Heat also reduces panel output by 20%.
Engineers use a 1.3x safety factor.
Example: If your load is 10kW, you don’t install 10kW of panels. You install 13kW.
That buffer keeps ice production going even when sun is weak.

5. It Prevents Generator Backup
The whole point of off-grid is to kill diesel.
If panels are undersized, you’ll be forced to run generator “just to top up”.
Proper sizing = True Zero Fuel

03/08/2026

POV: Your solar dies by 10pm 🌙

Reason? Your panels were undersized.

Proper panel sizing means:
✅ Batteries charge fully by 3pm
✅ Power lasts all night
✅ No generator needed

Don’t let bad sizing kill your solar investment.

SaveMoney Nigeria SolarEngineer CleanEnergy TechTok

27/07/2026

How to size solar panels for MAXIMUM efficiency 👇

1. Calculate your DAILY LOAD in Wh
2. Size BATTERY for backup hours
3. Size PANELS to charge battery + run load
Formula: Daily Wh ÷ Sun Hours ÷ 0.75
4. Match VOLTAGE to your inverter MPPT

For Example: 20KWh/day load
= 7.2KW panels minimum
= Install 9KW to account for losses

Over-paneling is cheaper .

Save this before you buy solar 👇
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