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Calculate battery percentage of alkaline batteries using the voltage - Project Guidance - Arduino Forum
![A schematic showing the difference between series and parallel battery packs. Shown how a pair of AA batteries can have different voltage whether connected in series or in parallel. Stock Illustration A schematic showing the difference between series and parallel battery packs. Shown how a pair of AA batteries can have different voltage whether connected in series or in parallel. Stock Illustration](https://as1.ftcdn.net/v2/jpg/03/41/49/36/1000_F_341493678_LXidNQK7KpVVPw1wWP707Tz1buziaX9l.jpg)
A schematic showing the difference between series and parallel battery packs. Shown how a pair of AA batteries can have different voltage whether connected in series or in parallel. Stock Illustration
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Connecting Batteries: Serial/Parallel/Serial and Parallel—DC Voltages, Current, and Wattage on Each - Owlcation
![Amazon.com: Amazon Basics 20-Pack AA Alkaline Batteries, 1.5 Volt, Long-Lasting Power : Health & Household Amazon.com: Amazon Basics 20-Pack AA Alkaline Batteries, 1.5 Volt, Long-Lasting Power : Health & Household](https://m.media-amazon.com/images/I/81mInjo0NxL.jpg)
Amazon.com: Amazon Basics 20-Pack AA Alkaline Batteries, 1.5 Volt, Long-Lasting Power : Health & Household
![3 x AAA Battery Holder with On/Off Switch and 2-Pin JST : ID 727 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits 3 x AAA Battery Holder with On/Off Switch and 2-Pin JST : ID 727 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/727-11.jpg)
3 x AAA Battery Holder with On/Off Switch and 2-Pin JST : ID 727 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![SDTC Tech 2-Set 2X 1.5V AA Battery Holder and I Type Battery Snap Connector Kit 3 Volt Thicken Plastic Battery Case Box: Amazon.com: Electronics SDTC Tech 2-Set 2X 1.5V AA Battery Holder and I Type Battery Snap Connector Kit 3 Volt Thicken Plastic Battery Case Box: Amazon.com: Electronics](https://m.media-amazon.com/images/I/61hJfO9jY-L.jpg)
SDTC Tech 2-Set 2X 1.5V AA Battery Holder and I Type Battery Snap Connector Kit 3 Volt Thicken Plastic Battery Case Box: Amazon.com: Electronics
![Connecting Batteries: Serial/Parallel/Serial and Parallel—DC Voltages, Current, and Wattage on Each - Owlcation Connecting Batteries: Serial/Parallel/Serial and Parallel—DC Voltages, Current, and Wattage on Each - Owlcation](https://images.saymedia-content.com/.image/ar_4:3%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:eco%2Cw_1200/MTc0MjU4ODUzNDAyODQ3MTAw/connecting-batteries-serialparallelserial-and-parallel-dc-voltages-current-and-wattage-on-each.jpg)
Connecting Batteries: Serial/Parallel/Serial and Parallel—DC Voltages, Current, and Wattage on Each - Owlcation
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