NightStar LED flashlight: batteries.shtml

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Don't be fooled by cheap imitations: NightStar versus another
The others may cost less, but this is THE BEST flashlight of its type on the market.
Learn more about our struggles against larger, better financed imitators.
Dealer inquiries

Also available in our store located in Seattle's Wallingford neighborhood - 1905 N. 45th St Drop in and say you saw it on the web for an extra 5% off.

We are a

retailer.

Battery Saver/Estimator

The purpose of this page is to allow you to estimate the overall savings that your organization/group could achieve by replacing a battery using device with a non-battery/renewable energy device (in our case the NightStar magnetic flashlight. The numbers calculated here are for estimations only, and may not necessarily reflect your actual situation. Please be sure check out the assumptions that are listed below.

Fill in your basic facts in this table, and your cost/savings estimates will be displayed below

Are you buying 1-20 (retail cost) ?
Buying 20+ (wholesale cost) ?

How many devices will you be replacing?

How many batteries per device?

Size of batteries?

How often do you change the batteries (annually)?

How often do you check the batteries (annually)?

Estimated battery dollar costs (per battery) $

Estimated time check/replace batteries (minutes)

Cost of person checking/replacing batteries ($/hr)? $

Local cost of hazardous waste disposal (per ton)? $

Enter number of years for estimate years
Everything below is calculated except the initial cost/item

YOUR COSTS/SAVINGS

	Projected Current Usage	Usage with new device	Savings $
Number of batteries		0	$
Disposal weight (lbs)		0	$
Landfill volume (Cu Ft.)		0	see weight
Time savings (Hours)		0	$
Total savings $ year			$
Fill in initial cost of new items ($/device)			$()
Device payback			$

Go ahead put in a million - see how much landfill space the planet would save!

Assumptions/Limitations

The current battery calculations are based on replacing a single type of flashlight (ie. 2D Cell). If you have multiple types of flashlights, do an estimate of each type alone, and then add the results together for your overall savings estimate. This model also assumes that the cost/hour of the person is always the same, and that checking the batteries and changing the batteries take almost the same amount of time. It is also assumed that you are paying a premium for the disposal of hazardous waste - if you are just throwing them in the garbage, SHAME on you! They are a hazardous waste and should be treated as such. (If you don't pay for waste disposal, just enter a zero for landfill costs.)

The following weights and volumes are used for batteries:

AA - 2 inches x .25 inches 22grams
C - 1.75 inches x 1 inch 43grams
D - 2.5 inches x 1.25 inches 115 grams

the volume of batteries does not vary by much from battery to battery, but the weight may vary greatly. In general the heavier the battery, the longer it will last, but the more it costs. So Heavy Duty alkaline batteries may last you longer and have a longer shelf life, but they will also cost more.

The volume figure for batteries has been estimated as if batteries are cubes that would stack neatly together in a landfill, since they are not the actual volume of batteries will be somewhat larger than the estimate.

We encourage you to play around with this to see how changing the parameters will effect your savings. Once again, we stress that this tool is only to be used for estimating the cost and number of batteries that your organization/group might save by switching to a non-battery-using device. Due to the number of factors involved, it may not necessarily reflect your actual savings.

Also note that your actual savings may be higher as this model does not account for the time or cost to replace broken devices.

If you are checking on the NightStar flashlights, remember that NightStar flashlights have a 5 year gaurantee, so switching to NightStars would reduce the replacement cost for flashlights to almost zero.

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