An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, smartphones, and electric cars.
When a battery is supplying electric power, its positive terminal is the cathode and its negative terminal is the anode. The terminal marked negative is the source of electrons that when connected to an external circuit will flow and deliver energy to an external device. When a battery is connected to an external circuit, electrolytes are able to move as ions within, allowing the chemical reactions to be completed at the separate terminals and so deliver energy to the external circuit. It is the movement of those ions within the battery which allows current to flow out of the battery to perform work.
DescriptionThese are the highest quality & capacity batteries. One battery per o..
DescriptionLithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and ..
This is a light weight, high energy density polymer lithium battery. It outputs a nominal 3.7v at 22..
This is a light weight, high energy density polymer lithium battery. It outputs a nominal 3.7v at 66..
Description: These LR44 button cell batteries are fairly common but it can be hard to keep them arou..
Description: CR1225 3V 12mm 47mAh coin cell batteries. Perfect small battery for miniature sensor no..
Description: This is the CR2025 20mm coin cell battery. You may be wondering what sets this guy apar..
DESCRIPTION:CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power p..
DescriptionNeed a big battery for your project? This lithium ion battery contains a 2200mAh and ..
Description: These are very slim, extremely light weight batteries based on the new Polymer Lithium ..
Description: This is a very small, extremely light weight battery based on the new Polymer Lithium I..
Description:Imagine if you are lost in the desert, wouldn't be great if you have A LOT OF JUICE?..
Description:A large-sized rechargeable battery pack for your Raspberry Pi (or Arduino, or anythi..
Description: Power on the go? Why didn't you ask? We've got plenty! These portable, rechargeable lit..