Can a 5kW Battery Power Your Whole House?

It is the question everyone asks before spending seven figures on a home battery: can a 5kW unit actually run my whole house, or just a few things?

The honest answer is yes — but only once you are clear about what "whole house" really means in a Nigerian home. Two numbers decide it, and once you understand them you can size your expectations exactly.

The two numbers that matter

Power (kW) — how much can run at the same time. The JC-YT-5K delivers 5,000W (5kW) of continuous output. That is the ceiling on everything switched on at once. Add up the wattage of the appliances you want running together; as long as the total stays under 5,000W, the battery carries them without complaint.

Energy (kWh) — how long it lasts. The unit holds 5.22kWh (5,220 watt-hours) of usable BYD LiFePO₄ storage. That is the size of the tank. Runtime is simply the tank divided by how fast you draw from it.

What "whole house" looks like in Nigeria

For most homes, a comfortable everyday load is smaller than people fear. A realistic evening looks like this: LED lights through the house (roughly 10–15W each), three or four ceiling fans (60–80W each), a television and decoder (about 150W), the fridge (around 150W while running), the Wi-Fi router, and phones and laptops on charge.

Added up, that is usually 300–600W at any moment — a fraction of the 5kW the battery can push. At that load, 5.22kWh lasts a long time: at 400W you are looking at roughly 12–13 hours; at 300W, closer to a full day. That comfortably covers an overnight blackout with power to spare.

Where the ceiling actually bites

The 5kW limit is about heavy, motor- and heat-driven appliances, and this is where honesty matters:

Air conditioners. A 1HP inverter AC (around 750–900W) is fine and can run for hours. A 1.5HP or 2HP AC, or two ACs together, will eat both the power headroom and the energy quickly — possible, but not "all night, whole house."

Cookers, kettles, water heaters, irons, microwaves. These pull 1,500–3,000W each and drain a 5.22kWh tank in an hour or two. The battery can run them one at a time, but they are not what a home battery is for.

Water pumps and freezers. Fine to run — just remember their start-up surge counts against your 5kW ceiling for a moment.

So a 5kW battery powers your whole essential house — lights, fans, fridge, TV, electronics, Wi-Fi, and a modest AC — through a normal Nigerian blackout. It is not designed to run a fully air-conditioned, all-electric-cooking household off-grid indefinitely. Very few batteries at any price are.

Solar changes the maths entirely

Everything above assumes the battery only discharges. Add the JC-YT-5K's MPPT solar input and the picture shifts: through the day, panels top the battery back up while it powers the house, so you are no longer limited to a single 5.22kWh charge. For many homes this is the difference between surviving a blackout and barely noticing the grid at all.

So — can it power your whole house?

For the way most Nigerian homes actually live — lights, fans, fridge, entertainment, work devices, and sensible cooling — yes, a 5kW / 5.22kWh battery runs the whole house through the outage, and with solar it keeps going. Just keep the big heat-and-motor appliances in mind, and size your expectations to the two numbers rather than the marketing.

If that matches how your home runs, the JC-YT-5K is the unit built for exactly this job.

Frequently Asked Questions

TURSAN JC-YT-5K — 5kW All-In-One Home Battery

5,000W pure sine wave inverter and 5.22kWh of BYD LiFePO₄ storage, with MPPT solar input. Free delivery within Lagos and a 2-year warranty.

₦1,650,050 View the JC-YT-5K →