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These are your standard 9 Volt alkaline batteries from Rayovac. Don't even think about trying to recharge these. Use them with Arduinos or with a voltage regulator to get a solid 5V for your project.
Check below for 9V connectors.
Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken.
If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Noob - You don't need to reference a datasheet, but you will need to know basic power requirements.
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Based on 1 ratings:
Great battery, good voltage and mAh. Much cheaper from SparkFun if you're already ordering other stuff.
Alkaline Battery it is very good
We designed a cool holder for this battery and it's free for download from Thingiverse
How many mAh is this rated at?
good
Does anyone know the maximum continuous current draw is?
i have a alkaline battery charger it works its not supposed to exist but it does
As an engineer who works for a battery company, you are wrong. You may think it's working, but it's not. Don't charge alkaline batteries.