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Lithium-ion battery technology:
Getting the most from Smart Batteries
Abstract.............................................................................................................................................. 2
Introduction......................................................................................................................................... 2
Lithium-ion batteries.............................................................................................................................. 2
Battery cycle life............................................................................................................................... 3
Battery capacity ............................................................................................................................... 3
Warranty period.............................................................................................................................. 4
Smart Battery Technology ..................................................................................................................... 5
Smart Battery calibration................................................................................................................... 5
Battery care practices........................................................................................................................... 6
For more information............................................................................................................................ 7
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Summary of Contents for Compaq Lithium-ion battery
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Page 1: Table Of Contents
Lithium-ion battery technology: Getting the most from Smart Batteries Abstract... 2 Introduction... 2 Lithium-ion batteries... 2 Battery cycle life... 3 Battery capacity ... 3 Warranty period... 4 Smart Battery Technology ... 5 Smart Battery calibration... 5 Battery care practices... 6... -
Page 2: Abstract
Abstract This paper tells HP notebook users how to get the most out of their lithium-ion rechargeable batteries in terms of run time and lifespan. Detailed in this document are important facts about Li-Ion batteries, information about HP Smart Battery Technology, and proper battery care practices. Introduction One of the most common questions asked by notebook computer users is "How long will the battery last?"... -
Page 3: Battery Cycle Life
Figure 1. A cycle for a rechargeable lithium-ion battery is the cumulative amount of discharge approximately equal to its full charge capacity. For example, 10 occurrences of a 10% depth of discharge or 2 occurrences of a 50% depth of discharge represent one cycle. -
Page 4: Warranty Period
Warranty period HP provides a 12-month warranty for Li-Ion batteries. The warranty period is based upon the expectation that the battery will deliver 80% of its initial capacity after 300 cycles at low to moderate power loads. High power loads may cause a battery to reach 80% of initial capacity in less than the 12-month warranty period. -
Page 5: Smart Battery Technology
To aid users in monitoring and managing Li-Ion batteries, HP Compaq notebooks provide accurate and instantaneous status information using Smart Battery Technology. HP Smart Battery Technology... -
Page 6: Battery Care Practices
Battery care practices After reading the information presented in this paper, users should be aware of conditions that negatively impact battery run time and lifespan. In summary: • Li-Ion battery cells suffer gradual, irreversible capacity loss with each discharge-charge cycle. Such aging occurs more rapidly as temperature and discharge loads increase. -
Page 7: For More Information
HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. 5982-3550ENUS, 01/2004 Web address ftp://ftp.compaq.com/pub/supportinformation/papers/155l-0601a-wwen.pdf http://www.sbs-forum.org/...