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Electronics/Rechargeable or Non rechargeable batteries Thumb Rule.

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Question
QUESTION: Dear ZZ

What is the Thumb Rule for installing Rechargeable or Non rechargeable batteries in Electronic Devices?.

Thanks
Prashant

ANSWER: The only rule-of-thumb I know of is to read the owners manual that comes with the product which usually specifies the type of replacement battery is required and how to care for the product.

In some cases, if one understands the application and can ascertain reliably the type of current drain that is needed and the sensitivity the product has to dropping voltages then substitute batteries may be  used, but it is best to rely on the manufacturers recommendation.  

Batteries are a special kind of science and that is why there are so many hundreds of battery types and sizes to fit all needs of the user.



---------- FOLLOW-UP ----------

QUESTION: Dear ZZ

1 Is it possible to design a Electronic product which will work with both Rechargeable or Non Rechargeable Batteries?.

2 Most of the Toys manufactured in the mmarket have Rechargeable or Non Rechargeable Batteries?.

Thanks
Prashant

ANSWER: Yes, of course. There are many rechargeable batteries that occupy the same space as the non recharging batteries.  

Since recharging batteries are much more expensive the toy manufacturers often supply the toy with the low cost battering and leave it as the user option to use recharging batteries if they prefer.  It is easy to find aaa, aa, c and 9v batteries in either charging or non-charging batteries.



---------- FOLLOW-UP ----------

QUESTION: Dear ZZ

Thank you.

I.e. In future any electronic product can be designed and manufactured which can work on both Rechargeable as well as Non rechargeable batteries.

This applies to Smartphones, Laptops,Wall clocks,Wrist watches,Toys, Digital Cameras etc?.

Awaiting your reply,

Thanks
Prashant

Answer
Smartphones generally are designed to work with a specific recharge battery due to the large amount of battery power required by the phone in a 24 hour period.

Laptops, are also big power hogs so they tend to have a customized re-charge type battery.

Wall clocks,Wrist watches, use very little power and fixed batteries can usually run them for many days, even weeks or years.  Therefore, rechargeable batteries are not needed.

Toys, Can be designed either way; more expensive toys using lots of motors or electromechanical components will benefit from having rechargeable batteries employed.

Digital Cameras.  Will use throw away batteries for convenience but the user has the otption in many cases of using recharge batteries to overcome the high cost of high volume of picture taking using up the fixed non-recharge batteries.

Hope this helps.  

Electronics

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ZZ

Expertise

Electronics questions about AC, DC and digital theory.

Experience

Graduate electrical engineer with over 40 years in electronic design, manufacturing, project organization and patent review. Experience in fields of industrial and consumer electronics (audio, video, acoustics, etc.)

Organizations
IEEE (Institute of Electrical and Electronics Engineers); Senior Life member AES (Audio Engineering Society), Fellow Life member

Education/Credentials
BSEE University of North Dakota

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