Cost Comparison

The following information illustrates the estimated cost savings which can be made over a 3 year period
by running the Police PC8 compared to a standard 2xAA cell metal torch with incandenscent bulb.

This information is designed for illustrative purposes only as some figures are estimated and assumed:

Number of Officers in Force: 1,500
Number of weeks worked per year, per Officer: 48
Cost of incandescent bulb replacement: £1.25
Purchase price of standard metal torch: £8.00
Purchase price of Police PC8 with standard pouch: £17.37

Assumed costs
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	Standard metal torch (2xAA)	Police PC8
Battery life (Duracell)	6 hours (maximum)	60 hours (tested)
Bulb Life	20 hours (average)	100,000 hours (LED)
AA Battery cost (unit)	£0.76 (2 x AA cells @ 38p each)	£1.14 (3 x AA cells @ 38p each)

Annual running costs

	Standard metal torch (2xAA)			Police PC8
Hours use per week	1	1.5	2	1	1.5	2
No. Battery changes per annum	8.7	13.1	17.5	1.0	1.4	1.9
Cost per battery change	£0.76	£0.76	£0.76	£1.14	£1.14	£1.14
Total battery cost per annum	£6.63	£9.95	£13.26	£1.09	£1.64	£2.19
No. of replacement bulbs per annum	2.4	3.6	4.8	0	0	0
Cost per bulb change	£1.25	£1.25	£1.25	£0.00	£0.00	£0.00
Total bulb cost per annum	£3.00	£4.50	£6.00	£0.00	£0.00	£0.00
ANNUAL COST PER TORCH	£9.63	£14.45	£19.26	£1.09	£1.64	£2.19
ANNUAL COST PER AVE. FORCE	£28,808	£43,201	£57,593	£3,272	£4,908	£6,545

Total costs over 3 year period

	Standard metal torch (2xAA)			Police PC8
Hours use per week	1	1.5	2	1	1.5	2
Purchase Price	£23,920	£23,920	£23,920	£56,661	£56,661	£56,661
3 year running cost	£86,424	£129,603	£172,779	£9,816	£14,724	£19,635
Total cost over 3 years	£110,344	£153,523	£196,699	£66,477	£71,385	£76,296

Estimated cost savings using PC8 over 3 year period