Power Bright PW3500-12 Power Inverter 3500 Watt 12 Volt DC To 110 Volt AC
Power Bright PW3500-12 Power Inverter 3500 Watt 12 Volt DC To 110 Volt AC

How to choose a proper power inverter ? 

There are so many different size power inverters, also with so many different watts appliances, and we still need to power different appliances meantime. 

So, how to calculate the correct watts and amps, then to choose a proper Power Inverter is very necessary and important.

From the point of utilization, it depends on the Watts(or amps) of what you want to run (find the power consumption by referring to the specification plate on the appliance or tool.)

From the point of professional:

One of the key difference between inverters is how much AC power they produce. Add up the wattage of each device you will run simultaneously, and make sure the inverter will supply sufficient AC power.

To select an inverter  that has enough power for your application, add the watts for items you may want to run at the same time. Use  the total wattage, plus 20%, as your minimum power requirement.

It is advisable to buy a larger model than you think you will need (at least 10% to 20% more than the largest appliance load).

For example, you want to power a computer, with a 17″ monitor, some lights, and a video.

Coffee Maker: 320 Watts
LCD TV: 120 Watts
Laptop: 100 Watts
Total Needed: 540 Watts

Here some Information for the Common Appliances.

 

Note: the wattage’s given below are estimates. The actual wattage required for your appliances may differ from those listed. Check the namplate ont he appliance to determine the actual wattage required.

* Appliances and tools with induction motors (marked *in tables)may require from 3-7 time the listed wattage when starting. The start-up load of the appliance or tool determines whether an inverter has the capability to power it. Be sure to check the specific wattage requirements and operating instructions for appliances /tools to be used. Also, air conditioners are a very difficult load because of the high start-up surge. Use the locked Rotor amps to determine the start-up surge requirement.

F.Y.I.

(conversion formula: Watts/120 volts = Amps…….Amps*120 volts=Watts)

 

Common Appliances Estimated Watts Suggested Inverters
Coffer Maker 600-1200 Cobra CPI-1590
Keurig 1500(max)

200-400(continuous)

Samlex SSW-2000-12A
Blender 300-1000 Power Bright 1100
Microwave

(600-1000 Watt Cooking Power)

1000-2000 KISAE SW1220

Xantrew PRO watt SW 2000

Waffle Iron 800-1500 Power Bright 2300

Samlex SAM-2000-12

Wagan Slim Line 2000

Energizer EN2000

Cobra CPI-2590

Hot Plate 700-1500
Electric Skillet 1000-1500
Toaster Oven 800-1500
Hair Dryer 1000-1875
Vacuum Cleaner 300-1500
Space Heater 750/1500
Clothes Iron 1000-1500
*Refrigerator 500-700
*Chest Freezer 600
*Washing Machine 500-1000 KISAE MW 1215

Samlex SAM-1500-12

Power Bright 1500

Furnace Fan 750-1200
Household Fan 50-120 Cobra CPI-480

Power Bright XR400-12

Samlex SAM-450-12

Clock Radio 10-50
Stereo 30-100
Cell Phone Charger 10 Energizer EN 120

Cobra MicoPort 150

Laptop Computer 20-75 KISAE SW 1204

Samlex PST-300-12

Wagan Elite 400 PRO

MacBook Pro 85
iPad/Tablet 10-20 Samlex PST-120-12

Wagan Elite 200 PRO

Desktop with Monitor 200-400 Samlex PST 600-12

Xantrex PRO watt SW 600

Inkjet Printer 15-75 Samlex PST
Laser Printer 500(continuous)

2000 (peak)

Samlex PST 2000-12

KISAE SW 1220

Photographic Strobe

(300 Watt-Second)

1200 (peak) Samlex PST-600-12

Xantrex PRO watt SW 600

Aquarium 50-1000 KISAE Abso 1000

Magnum Energy MMS 1012G

TV 32″ LEC/LCD 50 KISAE SW 1210

Xantrex PRO watt SW 600

Wagan Elite 700 PRO

KISAE MW 1215

Samlex SAM-1500-12

Power Bright 1500

Xantrex XPower 1500

TV 42″ Plasma 240
Home Theater Projector 200
Blu-Ray or DVD Player 15
Satellite Dish/ Receiver 20-30
Video Game Console

(Xbox/PS4/Wii)

40-140

 

Common Tools Estimated Watts Suggested Inverters
Angle Grinder 900 KISAE MW1215

Samlex SAM-1500-12

Power Bright 1500

Xantrex Xpower 1500

Drill (1/4″-1/2″) 500-960
Disc Sander 1200
Jig Saw 300-1200
Band Saw 700-1200
Table Saw 1800 Power Bright 2300

Cobra CPI-2590

Xantrex XPower 3000

 

Cicular Saw 1400-1800
Chop/Cut Off Saw 1500-1800
Shop Vac 6.5 hp 1440
*Electric Chain Saw 14″ 1200 Wagan Pro Line 3000
*Airless Sprayer 1/2 hp 750 Energizer EN 2000
*Air Compressor 1 hp 2000 Wagan Pro Line 5000

 

Pumps and Air Conditioners Estimated Watts Suggested Inverters
*Well Pump 1/3 hp 750 (Running)

1400-3000 (Starting)

Power Bright PW3500-12

Wagan Pro Line 3000

*Well Pump 1/2 hp 1000 (Running)

2100-4000 (Starting)

Wagan Pro Line 5000

Xantrex XPower 5000

*Sump Pump 1/3 hp 800(Running)

1300-2900(Starting)

Xantrex Freedom HF 1800

KISAE Abso 2000

*Sump Pump 1/2 hp 1050(Running)

2150-4100 (Starting)

Xantrex Freedom HF 1800

KISAE Abso 2000

*Air Conditioner

7000 BTU to 10,000 BTU)

1000-1500(Running)

2200-5000(Starting)

Wagan Pro Line 5000

Xantrex XPower 5000

Power Bright PW3500-12 Power Inverter 3500 Watt 12 Volt DC To 110 Volt AC
Power Bright PW3500-12 Power Inverter 3500 Watt 12 Volt DC To 110 Volt AC

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