Battery lifetime

Lifetime can be influenced by the end user

UseLifetime of battery pack
Selection of power tool and batterysuitable for the applicationhigh
Selection of power tool and batterytoo weaklow
Load on the battery as a result of the various applications
(applies only to NiCd and NiMH)
Screwdriving/drilling small diametershigh
Load on the battery as a result of the various applications
(applies only to NiCd and NiMH)
Sawing/hammer drilling large diameterslow
Charging process (memory effect)
(applies to NiCd and NiMH)
complete discharging/charginghigh
Charging process (memory effect)
(applies to NiCd and NiMH)
partial discharging/charginglow
mechanical loadnormal treatmenthigh
mechanical loadrough treatmentlow

Lifetime cannot be influenced by the end user

Effect
AgeingEvery battery ages with time, regardless of whether it is in use or not. This results in loss of voltage and capacity.
chemical processAll materials suffer corrosion with time and use. This results in loss of voltage and capacity.
Electrolyte drying outThe electrolyte loses moisture with time and use. This results in loss of voltage and capacity.
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