Questions tagged [battery]

An electric battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy.

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3answers
152 views

Quadcopter Charging

Our thesis is about Multicopter using two batteries wherein the first battery is used and when the power goes out, a switch is placed use to charge the first battery while the second battery is ...
35
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4answers
43k views

Quadcopter liPo battery weight/capacity trade off

I'm trying to find where additional battery capacity becomes worthless in relation to the added weight in terms of a quadcopter. Currently with a 5500 mAh battery, 11.1V, I can get between 12 minutes ...
9
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2answers
7k views

How to charge a LiFePO4 battery?

From what I've seen, LiFePO4 batteries seem like one of the top battery choices for robotics applications. However, I've seen people mentioning that you can't use a charger for a different battery to ...
2
votes
2answers
104 views

Parallel connection of batteries with equal voltage but different Ah?

I bought some batteries for a project with the recommended voltage but too weak Ah. The batteries are to be connected in parallel. I can't currently afford to upgrade both batteries, but I was ...
1
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3answers
885 views

How do I create a portable solar panel lipo charger? [duplicate]

We're working on a quadcopter that will carry a solar panel on top that will continually charging the lipo battery of the quad. What's the smallest and easiest way to recreate a charger that will ...