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.

https://www.nbc15.com/content/news/Tech-Tuesday-Prolonging-Battery-Life-567983651.html

--  
Bill Horne
Telecom Digest Moderator

Re: Prolonging battery life [telecom]
On Thursday, February 20, 2020 at 11:46:28 AM UTC-5, Moderator wrote:
Quoted text here. Click to load it

Historical Note:

100 years ago Columbia, a predecessor of Eveready, advertised
its No. 6 dry cell.
https://books.google.com/books?id=YmgwAQAAMAAJ&newbks=1&newbks_redir=0&dq=colliers%20%22home%20sweet%20home%22%20columbia&pg=RA1-PA139#v=onepage&q&f=false

In 1921 Columbia advertised a No. 6 dry cell specifically
for telephone service.
https://books.google.com/books?id=K7o5AQAAIAAJ&newbks=1&newbks_redir=0&dq=%22telephony%22%3A%201920&pg=RA4-PA33#v=onepage&q&f=false
(This magazine has various articles and ads on telephony of  
100 years ago.)

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