Collection Potential for Nickel-Cadmium Batteries in Denmark

Appendix A: Battery lifetime data

Application Lifetime data Distribution applied*1
Min. Mean Max.
Professional power tools (1986-1993) 10% < 1 years 5% 4 years 1 years 6 years 2 years Professional power tools (1986-1993)
Professional power tools (1994-2004) 4% < 1 years 2% 4 years 1 years 6 years 2 years Professional power tools (1994-2004)
"Do-it-yourself" power tools (1986-1993) 10% < 1 years 5% 6 years 2 years 12 years 3 years "Do-it-yourself" power tools (1986-1993)
"Do-it-yourself" power tools (1994-2004) 2.5% < 1 years 2% 6 years 2 years 10 years 3 years "Do-it-yourself" power tools (1994-2004)
Application Lifetime data Distribution applied*1
Min. Mean Max.
Hand-portable mobile phones 10% < 4 md. 2 md. 1.5 years0.5years 3 years 1 years Hand-portable mobile phones
Old (heavy) portable mobile phones 10% < 1 years 0.5 years 2 years 1 years 4 years 1 years Old (heavy) portable mobile phones
Portable computer-equipment 20% < 1 years 10% 1.5 years 0.5 years 5 years 1 years Portable computer-equipment
Dustbusters (cordless vacuum cleaners) 5% < 1 years 3% 6 years 2 years 10 years 2 years Dustbusters (cordless vacuum cleaners)
Cordless telephones 2% < 1 years 2% 2.5 years 1 years 5 years 2 years Cordless telephones
Application Lifetime data Distribution applied*1
Min. Mean Max.
Shavers and trimmers (for 1994 -2004 also "Other household and care products") 10% < 1 years 5% 7 years 2 years 10 years 2 years Shavers and trimmers (for 1994 -2004 also "Other household and care 
      products")
Toothbrushes (for 1986-1993 also "Other household and care products") 3% < 1 years 2% 5 years 2 years 7 years 2 years Toothbrushes (for 1986-1993 also "Other household and care products")
Camcorders and accessories 20%< 1 years 10% 5 years 3 years 10 years 3 years Camcorders and accessories
"Replacement batteries" to end consumers (individual cells) 15% < 2 years 5% 6 years 2 years 15 years 3 years "Replacement batteries" to end consumers (individual cells)
Other uses of NiCd-batteries *2 *2 *2 Other uses of NiCd-batteries

Notes: *1: Most illustrations are scanned from the report made by Maag and Hansen (1994). X-axis legend means "lifetime in years", Y-axis legend means "Share of batteries becoming defective". *2: Calculated as the mean values (per year) across all specified used based on Maag and Hansen (1994).

Click here to see Tabled lifetime distributions

 



Version 1.0 May 2005, © Danish Environmental Protection Agency