July 2002
Intermediate to advanced
344 pages
8h 37m
English
Content preview from Newnes Radio and RF Engineering Pocket Book, 3rd Edition
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238
Float charging maintains the cell voltage at its nominal while it is
supplying continuous and variable loads.
21.2 Non-rechargeable, primary batteries
While rechargeable batteries are the obvious choice for use in equip-
ment which is in use continuously, disposable types have economic
and logistic advantages for some applications – the batteries are more
expensive long term but no charger is needed. Also primary batter-
ies have up to 4 times the available capacity of their nickel cad-
mium equivalents with less weight. Details of disposable batteries with
some standard nickel-cadmium rechargeable equivalents are given in
Table 21.1.
Lithium primary ...
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