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High-Load Appliance Capability

Because 15kVA inverters are designed for heavy loads (15,000 VA), they can easily manage surge currents from motors and compressors. 

• Air Conditioners: 3 to 5 inverter ACs (typically 1HP–1.5HP).

• Refrigeration: Multiple freezers and fridges.

• Pumping: 1HP–2HP Water Pumping Machine.

• Kitchen/Laundry: Washing machine, microwave, electric iron, and blender.

• General Electronics: Multiple TVs (4–6), satellite decoders, sound systems, 30+ LED bulbs, laptops, and charging ports. 

Estimated Runtime (20kWh Storage) 

The 20kWh battery provides high usable energy (often ~18kWh at 90–95% depth of discharge), allowing for substantial runtime. 

• High Usage (ACs, Freezer, Pump): 6–9 hours.

• Moderate Usage (Fridge, TV, Fans, Lights): 12–15 hours.

• Low Usage (Essential appliances only): 18–20+ hours. 

Key System Benefits

• Lithium Longevity: Unlike lead-acid batteries, this LiFePO4 battery supports high discharge rates, giving 5,000–10,000+ cycles, ensuring years of service.

• Scalability: Often, 20kWh is achieved by combining multiple smaller batteries (e.g., 4 x 5kWh or 2 x 10kWh).

• Hybrid Compatibility: Most 15kVA inverters are "hybrid," allowing seamless integration with solar panels, grid, or generators to recharge the 20kWh bank. 

Note: For 24/7 uninterrupted power, it is recommended to add solar panels to prevent relying solely on the grid for recharging