Connections for Electric Batteries

Battery Connections and Voltage Output: The Difference Between Series and Parallel Connections

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Series and Parallel Connections for Batteries
Can you tell me is there an simple way to get 12 volts from 5 volt AA batteries.  I know its not exactly a DIY question but if you could help it would be really appreciated.

Thanks Tristan
Background: Tristan is a Student from Belfast, Ireland

Dave’s Reply:
Thanks for your electrical question Tristan.

Battery Connections and Voltage Output

The Difference Between Series and Parallel Connections

• A Series connection or when you place the 5v batteries end to end you increase the voltage by the number of batteries.
• For example, if there are 2 5v batteries placed end to end then you would have 10v, 3 batteries would give you 15v.
• A Parallel connection is where the batteries are connected side by side, or straight across the terminals, will produce the same voltage but multiply the lifespan of the battery power, where is each battery was 2500mAh it would then be 5000mAh when there is a parallel connection of two batteries.

Example Table of Battery Connections
Each Battery – 1.5v 2500mAh
2 in Series = 3v at 2500mAh (end to end)
2 in Parallel = 1.5v at 5000mAh (side by side)

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This article looks at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes.

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Home Electrical Wiring and Electrical Repairs Please Note: Unless otherwise posted, please refer to the following Guidelines when working on Electrical Projects: Skill Level: Intermediate to Advanced - Electrical Repairs and Circuit Wiring is Best Performed by a Certified Electrician or Licensed Electrical Contractor. Electrical Tools Required: Basic Electricians Pouch of Hand Tools, a Voltage Tester and a Multi Meter. Estimated Time: Depends on personal level experience, ability to work with tools, work with electrical wiring, and the available access to the project area. Precaution: Identify the project circuit, turn it OFF and Tag it with a Note before working with the wiring. Important: Modifying existing electrical circuits or installing additional electrical wiring should be done according to local and National Electrical Codes, with a permit and be inspected.

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