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Rechargeable Batteries and Battery Testing for Hospitals Cadex Electronics Inc. www.cadex.com www.batteryuniversity.com December 13 th , 2005 Bruce Adams e-mail: firstname.lastname@example.org Overview Introduction – Cadex Electronics Common Rechargeable Battery Types
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Cadex Electronics Inc.
December 13th, 2005
Global demand data, Freedonia
- Battery Testing. What to Expect
Nickel Metal Hydride
New chemical additives improve self-discharge but at the expense of lower energy density.
Sealed Lead Acid
Weak batteries are picked more often than good ones because weak batteries are charged more frequently and remain on “Ready / Green Light On” longer.
In an emergency situation, the only batteries that are on “Ready / Green Light On” could be the duds.
Expire Date Today
85% Batt ID# 1234
SERVICEDGuidelines for Battery Maintenance 1. Isolate Date Expired Batteries
Battery AnalyzerGuidelines for Battery Maintenance 2. Test/Service Battery
Expire Date 3 Months Later
84% Batt ID# 1234
BATTERIESGuidelines for Battery Maintenance 3. Relabel Battery and Return to Service
Choose a tester that allows you to collect service data and record/report the results appropriately. PC software and accessory label printer may be required.
Choose a tester that can be updated to support batteries for future medical devices. Interchangeable adapters make it easy to accommodate new battery types.
6-10 hrs. for NiCd, NiMH. 12-15 hrs. for Li-Ion. 24 hrs. for SLA.
NiCd – every 30-60 days. NiMH –every 60-90 days. SLA and Li-Ion every ~6 months.
The bottom-line line: Battery testing will improve reliability of medical equipment and minimize the expense of unnecessary battery replacement (lower cost of operation).
For more on battery-related products and information visit the following websites:
www.cadex.com Corporate website
www.BatteryUniversity.comEducational website; offers practical information for battery users in essay form.
www.buchmann.caInformational website; carries articles and the book: "Batteries in a Portable World — A handbook on rechargeable batteries for non-engineers”