Prolonging battery life [telecom]

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Tech Tuesday: Prolonging battery life

MADISON (WMTV) -- Tuesday is National Battery Day, so in this Tech
Tuesday segment AT&T's Caleb Drolshagen has some tips to help juice
your battery life and keep that phone charged longer.

Bill Horne
Telecom Digest Moderator

Re: Prolonging battery life [telecom]
On Thursday, February 20, 2020 at 11:46:28 AM UTC-5, Moderator wrote:
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Historical Note:

100 years ago Columbia, a predecessor of Eveready, advertised
its No. 6 dry cell.

In 1921 Columbia advertised a No. 6 dry cell specifically
for telephone service.
(This magazine has various articles and ads on telephony of  
100 years ago.)

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