Appendix D: Battery Information
Overview
1 TYPES OF BATTERY
Alkaline primary cells
These cells and batteries offer very long service life compared with Leclanch types in equipments having high current drains. In addition these cells have very low self-discharge currents and are completely sealed.
Available in sizes AAA, AA, C, D and PP3.
Silver/mercuric oxide primary cells
These button cells are suitable for use in calculators, small tools, cameras, clocks, watches, etc. They may often be used as replacements for previously fitted alkaline manganese button cell types. Supplied in boxes of individual blister packs.
Available in six of the most popular sizes.
Ni-Cad sintered cells
Applications where extreme ruggedness and/or high peak currents are required. In addition these cells offer very long service life and can be electrically misused without damage.
Available in sizes N, AAA, AA, C, D and PP9.
Ni-Cad high-temperature sintered cells
Primarily for use in emergency lighting installations these cells and batteries are particularly suitable for charging and discharging at elevated temperatures. Other applications include alarm control panels and emergency and standby areas where higher ambient temperatures are experienced.
Available as single D cells and 3 D cell battery packs.
Note: sintered cells
Have fairly high self-discharge currents and are therefore not suitable for equipment which has to be operational without recharging after being left unattended for long periods of time.
Ni-Cad mass plate cells
Applications where small size and ruggedness are required. These cells have low self-discharge currents and are ideal in small portable equipment.
A range of...