KISAE FAQS

While there isn’t a specific math formula provided to calculate the exact size you need, the sources do give some great tips for pointing you in the right direction!

KISAE makes power inverters in a wide range of sizes, starting at 400 watts and going all the way up to 3000 watts. The right size for you will completely depend on your budget and the specific things you want to plug in.

Here is what you need to keep in mind when choosing:

• Think about what you need to run: Because different electronics require different amounts of power, your first step is to identify exactly what appliances you want to operate.
• Watch out for start-up “surges”: You have to be careful with items that have heavy-duty motors, like sump pumps. These devices need a huge, quick burst of energy (called a surge) just to turn on. Because of this big initial spike in power, you might actually need to buy a larger inverter to handle them safely, even if a smaller inverter seems like it has enough watts for normal running.

Before you begin, it is important to note that KISAE highly recommends having a certified technician or electrician do the wiring to make sure everything meets safety codes and prevents any damage or injury

If you are ready to set it up, here is a simple step-by-step guide based on the KISAE manuals:

1. Pick the Right Location

• Find an indoor spot that is safe from direct sunlight, heat, moisture, and water.
• Make sure to leave at least 3 inches of empty space all the way around the unit so it has plenty of ventilation to stay cool.

2. Mount the Inverter

• Depending on the model and where you are installing it (like in an RV), you generally need to mount it flat on a horizontal surface.
• Use the mounting template to mark your spots, drill four holes, and screw the inverter securely to the surface.

3. Ground the Unit (Safety First!)

• To prevent dangerous shocks, your inverter must be properly grounded. Connect a grounding cable from the inverter’s ground screw to your system’s common grounding point.

4. Connect to the Battery Be extremely careful not to mix up the positive (red) and negative (black) connections! Reversing them will permanently damage your inverter.

• Negative: Connect the black negative cable from the inverter’s negative terminal straight to the battery’s negative terminal.
• Safety Switch: Make sure your DC Disconnect Switch is turned to the “OFF” position.
• Positive: Connect the red positive cable from the inverter’s positive terminal to one side of your Disconnect Switch.
• Fuse: Connect a cable from the other side of the Disconnect Switch to a fuse holder, and then run a final cable from the fuse holder to the battery’s positive terminal.
• Install your fuse into the fuse holder, and turn the Disconnect Switch to “ON”.

5. Test it Out!

• Press the On/Off button on the inverter. You should hear a beep, and the “Power” or “Status” light will turn green to let you know it is working.
• To double-check that power is flowing, plug a small appliance (like a 25W or 40W table lamp) into the AC socket and turn it on

To figure out exactly how long you can run your appliances, you just need to look at two main things: the size of your battery bank (measured in Amp-Hours or AH) and how much power your appliance needs (measured in Watts).

The larger your battery bank and the less power your appliance uses, the longer it will run.

To give you a good idea of what to expect, the KISAE manuals provide some estimated run times based on a standard 12-Volt, 120 Amp-Hour (AH) battery:

• Cordless phone (5W): 150 to 180 hours
• Table Lamp (40W): 27 hours
• 20-inch LCD TV (100W): 11.5 hours
• Refrigerator (120W): 9 hours
• Microwave (1000W): 49 minutes
• Coffee Maker (1200W): 37 minutes

If you need your appliances to run longer, you can simply use a larger battery bank! For example, a 50W appliance will run for about 22 hours on a 120AH battery, but if you upgrade to a larger 240AH battery, it will run for 44 hours

Direct Current (DC) is the type of electricity produced and stored by batteries, vehicle alternators, and solar panels. In the provided KISAE systems, DC power is typically 12 volts or 24 volts.

Alternating Current (AC) is “utility-grade” or household power, typically at 120 volts or 230 volts. This is the exact same type of electricity supplied by a local utility grid, and it is what you need to operate standard household appliances, televisions, microwaves, computers, and power tools.

Because your everyday electronics require AC power but batteries only store DC power, a power inverter is necessary to bridge the gap by changing the DC current from a battery into usable AC current

Choosing between the two really comes down to what kinds of appliances you plan to plug in and how much you want to spend. The sources break down the differences like this:

Modified Sine Wave Inverters:

• Best for basic needs on a budget: These are the most common and economical inverters you can buy.
• How it works: They produce power in a “stepped” wave, which means the electrical flow isn’t perfectly smooth.
• The downside: Because the power isn’t totally smooth, it can cause your devices to run hotter and might create visual or audio noise (like a hum). However, they are a great choice if you are just running simple appliances where load sensitivity isn’t a big deal and you want to stretch your dollar.

Pure Sine Wave (or True Sine Wave) Inverters:

• Best for sensitive electronics and heavy-duty motors: These provide perfectly smooth, clean power that is identical to (or even better than!) the electricity you get from the power company at your house.
• The benefits: Because the power is so clean, your electronics will run cooler, more efficiently, and without any annoying buzzing or distortion. This helps ensure your equipment runs efficiently and can actually make your devices last longer.
• When you must have it: You absolutely need a Pure Sine Wave inverter to properly run things like digital clocks, light dimmers, battery chargers, and tools with variable speed motors. They are also highly recommended for computers, microwaves, refrigerators, and high-end audio or video gear. Because they offer premium quality, they do cost more than modified sine wave models.

In short, if you are running simple things and want to save money, go with a Modified Sine Wave. But if you want to run sensitive electronics, TVs, or anything with a complex motor safely and efficiently, a Pure Sine Wave inverter is the best choice!

During a power outage, the appliances people choose to run usually depend on whether they are trying to power a home or a business:

In a business: The focus shifts to keeping operations running smoothly and securely. Businesses often use backup systems to power cash registers, payment processing kiosks, and data transmittal equipment. Security is also a major priority, so power is frequently directed to CCTV cameras, security recording, keypads, motion sensors, and door or window sensors, along with basic lighting

In a home: People typically use backup power to keep essential and comforting devices running. This includes kitchen appliances (like refrigerators, slow cookers, and microwave ovens), lighting, fans, and security systems. It is also very common to power electronics to stay connected and entertained, such as radios, communications equipment, computers, monitors, and flat-screen TVs.

Depending on the specific size and wattage of the system you are using (such as their 400W, 800W, or 1800W Home Power Systems), KISAE systems can generally power:

• Safety: Home security system
• Kitchen Appliances: Refrigerators, freezers, microwave ovens, and slow cookers.
• Household & Comfort: General lighting (including energy-saving bulbs, incandescent lights, and floodlights), fans, air conditioning, and water or sump pumps.
• Electronics & Entertainment: Flat-screen TVs, DVD players, radios, audio equipment, and game consoles.
• Home Office & Tools: Desktop computers, LCD monitors, inkjet and laser printers, communications equipment, and corded power tools.

How long your batteries can run the system depends entirely on two things: the size of your battery bank (measured in Amp-Hours or AH) and the amount of power your appliances use (measured in Watts). The larger your battery and the less power you use, the longer your system will run!

To give you a good idea of what to expect, here is how long a standard 120AH battery can run some common items:

• 50W device (like a small fan or laptop): 22 hours
• 80W Small Freezer: 15 hours
• 100W 20-inch LCD TV: 11.5 hours
• 1000W Microwave: 49 minutes

If you need your system to run longer, you can simply use a larger battery bank. For example, a 50W appliance will run for 22 hours on a 120AH battery, but if you upgrade to a 240AH battery, it will run for 44 hours. Additionally, if you are using the KISAE Home Solar 1800 system, the modular design specifically allows you to add extra auxiliary batteries to extend your run time even further.

The system can be recharged and replenished in two primary ways:

• Using solar power: The kits come fully contained with a built-in solar charge controller and connectors for a PV panel, allowing you to harness energy from the sun to recharge the batteries.
• Using utility power: The system also includes a built-in AC charger, meaning you can simply plug it in to recharge it using standard grid power when it is available.

Because it offers both options, you have the flexibility to keep it topped up from the wall during normal everyday conditions, and the confidence of an indefinite recharge capability from the sun when a power outage occurs

Portable Powerpacks: The ultra-compact PP100 model comes with a high-capacity Lithium-Polymer battery, which helps keep the unit incredibly lightweight at just 1.65 lbs for business travelers. The larger, more powerful PP800 model includes a sealed lead-acid battery.

Home Power Backup Systems: The fully contained plug-and-play backup kits, which include the HS400, HS800, and HS1800 models, all feature built-in, high-capacity lead-acid batteries.

It is also great to know that you aren’t strictly limited to just the included batteries! The Home Solar 1800 system, for example, is designed with a modular setup that allows you to easily connect additional 12V battery banks or a KISAE Auxiliary Battery Box to extend your run time.

Furthermore, if you are building a custom setup using KISAE’s standalone inverter-chargers or smart battery chargers, their technology is highly versatile. You can supply your own batteries, and the systems are fully compatible with Gel, Flooded, AGM, and Lithium battery chemistries.

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Here is why you might choose a KISAE backup system over a generator:

They are lightweight and compact: KISAE power products are designed to be a safe and clean alternative to bulky, heavy generators, making them much easier to move and store

They are completely safe for indoor use: Unlike gas generators that create dangerous exhaust, KISAE systems produce absolutely no harmful fumes or emissions. This means you can safely keep and operate them right inside your home or business during an outage.

They operate silently: Traditional generators can be incredibly loud and disruptive, but KISAE backup systems are designed to offer completely silent operation.

There are no fuel requirements: With a KISAE system, you do not have to worry about buying, storing, or running out of gas. Instead of fuel, they rely on rechargeable batteries that can be topped up by solar panels or utility power.

To decide which system is right for you, you just need to answer four simple questions:

1. Where are you going to use it?

• At home or your business: If you need backup power for power outages, look at the Home Power Systems (like the HS400, HS800, or HS1800). These are all-in-one, plug-and-play kits that are completely safe for indoor use.
• On the go: If you are camping, traveling, or working outside, a Portable Powerpack is best. The lightweight PP100 is great for business travelers charging laptops and phones, while the larger PP800 can run TVs and small power tools (and even jump-start a car!).
• In an RV, Boat, or Work Truck: You will want to look at Inverter-Chargers or standalone power inverters. These are built tough to handle the bumps and vibrations of life on the road or water, and they connect directly to your vehicle’s battery bank.

2. What are you plugging into it? As we talked about earlier, if you are just running basic appliances on a budget, an affordable Modified Sine Wave inverter will do the trick. But if you want to run sensitive electronics, computers, TVs, or anything with a variable speed motor, you will definitely want to invest in a True/Pure Sine Wave system.

3. How much power do you need? You will need to match the size of the system to the appliances you want to run. KISAE offers systems ranging from small 100-watt portable packs all the way up to heavy-duty 3000-watt systems. You just need to add up the total wattage of the items you plan to run at the same time to see how big your system needs to be.

4. How do you want to recharge it? Think about how you want to put energy back into your batteries once they run low:

Many KISAE systems actually combine these options into one unit for maximum flexibility!

From the wall (Utility Power): You can use standard AC chargers.

From the sun: You can use Solar Charge Controllers connected to solar panels.

From your engine: If you are in a vehicle, you can use DC-to-DC chargers that pull power from your alternator while you drive.

The amount of time you can run an appliance depends entirely on two things: the amount of power your appliance requires (measured in Watts) and the capacity of your system’s battery bank.

For example, the large KISAE Home Solar 1800 (HS1800) kit comes with a built-in 60 Amp-Hour (Ah) battery. According to KISAE’s run time charts, here is how long that 60Ah battery will run different power loads:

• 50 Watts (like a small fan or laptop): 11 hours
• 100 Watts (like a 20-inch TV): 5 hours
• 200 Watts: 2.5 hours
• 500 Watts: 49 minutes
• 1000 Watts: 15 minutes
• 1500 Watts: 8 minutes

The best part is that you aren’t strictly limited to just those times! The Home Solar 1800 system features a modular design, meaning you can easily connect an extra KISAE Auxiliary Battery Box or your own 12V batteries to add more capacity and significantly extend your run time