Lighting watts:
Run this calculator to determine your battery storage needs (Only select what you want to be able to do on batteries over time).
#
Bulbs
Wattage
5 Watt Energy Star
bulb
7 Watt Energy Star bulb
10 Watt Energy Star bulb
20 Watt Energy Star bulb
40 Watt(typical fluorescent)
20 Watt Outdoor Energy Star bulb
T8 17 Watts 4 Foot Fluorescent (1
lamp)
T8 17 Watts 4 Foot Fluorescent (2
lamps)
T8 17 Watts 4 Foot Fluorescent (4
lamps)
T8 32 Watts 4 Foot Fluorescent (1
lamp)
T8 32 Watts 4 Foot Fluorescent (2
lamps)
T8 32 Watts 4 Foot Fluorescent (4
lamps)
Hours Used
#
Bulbs
Wattage
5 Watt Energy Star bulb
7 Watt Energy Star bulb
10 Watt Energy Star bulb
20 Watt Energy
Star
bulb
40 Watt(typical fluorescent)
20 Watt Outdoor Energy Star bulb
T8 17 Watts 4 Foot Fluorescent (1
lamp)
T8 17 Watts 4 Foot Fluorescent (2
lamps)
T8 17 Watts 4 Foot Fluorescent (4
lamps)
T8 32 Watts 4 Foot Fluorescent (1
lamp)
T8 32 Watts 4 Foot Fluorescent (2
lamps)
T8 32 Watts 4 Foot Fluorescent (4
lamps)
Hours Used
#
Bulbs
Wattage
5 Watt Energy Star bulb
7 Watt Energy Star bulb
10 Watt Energy Star bulb
20 Watt Energy Star bulb
40 Watt(typical
fluorescent)
20 Watt Outdoor Energy Star bulb
T8 17 Watts 4 Foot Fluorescent (1
lamp)
T8 17 Watts 4 Foot Fluorescent (2
lamps)
T8 17 Watts 4 Foot Fluorescent (4
lamps)
T8 32 Watts 4 Foot Fluorescent (1
lamp)
T8 32 Watts 4 Foot Fluorescent (2
lamps)
T8 32 Watts 4 Foot Fluorescent (4
lamps)
Hours Used
#
Bulbs
Wattage
5 Watt Energy Star bulb
7 Watt Energy Star bulb
10 Watt Energy Star bulb
20 Watt Energy Star bulb
40 Watt(typical fluorescent)
20 Watt Outdoor
Energy
Star bulb
T8 17 Watts 4 Foot Fluorescent (1
lamp)
T8 17 Watts 4 Foot Fluorescent (2
lamps)
T8 17 Watts 4 Foot Fluorescent (4
lamps)
T8 32 Watts 4 Foot Fluorescent (1
lamp)
T8 32 Watts 4 Foot Fluorescent (2
lamps)
T8 32 Watts 4 Foot Fluorescent (4
lamps)
Hours Used
#
Bulbs
Wattage
5 Watt Energy Star bulb
7 Watt Energy Star bulb
10 Watt Energy Star bulb
20 Watt Energy Star bulb
40 Watt(typical fluorescent)
20 Watt Outdoor Energy Star bulb
T8 17 Watts 4 Foot Fluorescent (1
lamp)
T8 17 Watts 4
Foot
Fluorescent (2 lamps)
T8 17 Watts 4 Foot Fluorescent (4
lamps)
T8 32 Watts 4 Foot Fluorescent (1
lamp)
T8 32 Watts 4 Foot Fluorescent (2
lamps)
T8 32 Watts 4 Foot Fluorescent (4
lamps)
Hours Used
#
Bulbs
Wattage
5 Watt Energy Star bulb
7 Watt Energy Star bulb
10 Watt Energy Star bulb
20 Watt Energy Star bulb
40 Watt(typical fluorescent)
20 Watt Outdoor Energy Star bulb
T8 17 Watts 4 Foot Fluorescent (1
lamp)
T8 17 Watts 4 Foot Fluorescent (2
lamps)
T8 17 Watts 4 Foot Fluorescent (4
lamps)
T8 32 Watts 4 Foot Fluorescent (1
lamp)
T8 32 Watts 4
Foot
Fluorescent (2 lamps)
T8 32 Watts 4 Foot Fluorescent (4
lamps)
Hours Used
If you have additional
lighting appliances, please add them below.
#Volts
x #Amps
= Watts
Quantity
Type:
Wattage
Hours Used
Quantity
Type:
Wattage
Hours Used
Quantity
Type:
Wattage
Hours Used
Kitchen watts:
Choose Kitchen options here
Freezer
None
Auto defrost, 17 cu. ft.
Auto defrost, 21 cu. ft.
6 hours
12 hours
18 hours
24 hours
Refrigerator Combo
None
17.5 cu. ft.
Energy
Star
25 cu. ft. Energy Star
20 cu. ft. Old moderl
25 cu. ft. Old model
6 hours
12 hours
18 hours
24 hours
Toaster Oven
None
Toaster 2 - 4 slice
Toaster oven
Waffle iron
5 minutes
10 minutes
20 minutes
30 minutes
1 hour
1.5 hours
3 hours
Stove
None
***Gas Stove***
1 small range element
2 small range elements
4 small range elements
1 medium range element
2 medium range elements
4 medium range elements
1 large range element
2 large range elements
4 large range elements
5 minutes
10 minutes
20 minutes
30 minutes
1 hour
1.5 hours
3 hours
Oven
None
Conventional
5 minutes
10 minutes
20 minutes
30 minutes
1 hour
1.5 hours
3 hours
Microwave
None
1200 watt microwave oven
1500 watt microwave oven
1800 watt microwave oven
2500 watt microwave oven
5 minutes
10 minutes
20 minutes
30 minutes
1 hour
1.5 hours
3 hours
Include
Coffee maker (standard)
1 pot
2 pots
3 pots
4 pots
5 pots
If you have additional
items that were not listed above,
please add them below.
Volts
x Amps
= Watts
Quantity
Name:
Wattage
Hours Used
Quantity
Name:
Wattage
Hours Used
Quantity
Name:
Wattage
Hours Used
Household watts:
Choose and calculate household items
Vacuum Cleaner
None
2 Amp
4 Amp
5 Amp
10 Amp (standard)
12 Amp
15 Amp
(Weekly)
5 minutes
10 minutes
20 minutes
30 minutes
1 hour
1.5 hours
3 hours
Include
Clock-Radio
30 min
1 hour
2 hours
3 hours
6 hours
12 hours
18 hours
24 hours
Include
Computer(s) and /or Laptop(s)
30 minutes
1 hour
90 minutes
2 hours
3 hours
4 hours
5 hours
6 hours
7 hours
8 hours
12 hours
18 hours
24 hours
Include
Home Theater Audio
30 minutes
45 minutes
1 hour
90 minutes
2 hours
3 hours
4 hours
5 hours
6 hours
7 hours
8 hours
12 hours
18 hours
24 hours
Include
Satellite Dish
30 minutes
45 minutes
1 hour
90 minutes
2 hours
3 hours
4 hours
5 hours
6 hours
7 hours
8 hours
12 hours
18 hours
24 hours
Include
Ceiling Fan
1 hour
2 hours
3 hours
4 hours
5 hours
8 hours
12 hours
24 hours
LCD TV
None
13" to 19" Lcd
20" to 32" Lcd
33" to 42" Lcd
Big Screen TV Lcd
30 minutes
45 minutes
1 hour
90 minutes
2 hours
3 hours
4 hours
5 hours
6 hours
7 hours
8 hours
12 hours
18 hours
24 hours
LCD TV
None
13" to 19" Lcd
20" to 32" Lcd
33" to 42" Lcd
Big Screen TV Lcd
30 minutes
45 minutes
1 hour
90 minutes
2 hours
3 hours
4 hours
5 hours
6 hours
7 hours
8 hours
12 hours
18 hours
24 hours
LCD TV
None
13" to 19" Lcd
20" to 32" Lcd
33" to 42" Lcd
Big Screen TV Lcd
30 minutes
45 minutes
1 hour
90 minutes
2 hours
3 hours
4 hours
5 hours
6 hours
7 hours
8 hours
12 hours
18 hours
24 hours
Fan
None
Small
Medium
Big
( Standard Room Fan)
1 hour
2 hours
3 hours
4 hours
5 hours
8 hours
12 hours
24 hours
If you have additional
items that were not listed above,
please add them below.
Volts
x Amps
= Watts
Quantity
Name:
Wattage
Hours Used
Quantity
Name:
Wattage
Hours Used
Quantity
Name:
Wattage
Hours Used
Miscellaneous and 240V loads watts:
Choose and calculate Miscellaneous items
Air Conditioner
None
1 Ton
2 Ton
3 Ton
4 Ton
5 Ton
30 minutes
1 hour
2 hours
3 hours
4 hours
5 hours
6 hours
8 hours
12 hours
24 hours
Water Heater
None
Standard Electric Water Heater
Gas Water Heater
30 minutes
45 minutes
1 hour
1.5 hours
2 hours
3 hours
4 hours
5 hours
6 hours
8 hours
12 hours
24 hours
Washer
None
***Gas Washer***
Electric Top Loader 100% Hot/Hot
Electric Top Loader 50% Hot/Cold
Electric Top Loader 100% Cold/Cold
Electric Front Loader 100% Hot/Hot
Electric Front Loader 50% Hot/Cold
Electric Front Loader 100% Cold/Cold
1 load
2 loads
3 loads
4 loads
5 loads
Dryer
None
***Gas Dryer***
Standard Dryer
Energy Star Dryer
1 load
2 loads
3 loads
4 loads
5 loads
Well Pump
None
120V, 1/2Hp
120V, 1 Hp
120V, 2 Hp
120V, 3 Hp
120V, 4 Hp
120V, 5 Hp
240V, 1/2Hp
240V, 1 Hp
240V, 2 Hp
240V, 3 Hp
240V, 4 Hp
240V, 5 Hp
30 minutes
1 hour
2 hours
3 hours
4 hours
5 hours
6 hours
12 hours
24 hours
Booster Pump
None
120V, 1/2Hp
120V, 1 Hp
120V, 2 Hp
120V, 3 Hp
120V, 4 Hp
120V, 5 Hp
240V, 1/2Hp
240V, 1 Hp
240V, 2 Hp
240V, 3 Hp
240V, 4 Hp
240V, 5 Hp
30 minutes
1 hour
2 hours
3 hours
4 hours
5 hours
6 hours
12 hours
24 hours
If you have additional
items that were not listed above,
please add them below.
Volts
x Amps
= Watts
Quantity
Name:
Wattage
Hours Used
Quantity
Name:
Wattage
Hours Used
Quantity
Name:
Wattage
Hours Used
Battery Bank Sizing Results:
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