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Batteries & Power supplies

In this category you will find lithium-ion batteries power supply, solar panels and other power supplies in many variants.

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Coming soon Li-ion battery 40mAh 3.7V
Li-ion battery 40mAh 3.7V

This lithium-ion battery is small, light and durable. Through standard JST 2mm female connector, it will yield 3.7V which will supply your projects for a whole day (and night!). Furthermore, the battery has an implemented protection system, which prevents high voltages ( prevents over-charging), undervoltage and short circuit. That way it protects the battery, increases its lifetime and protects you from possible accidents!

This small battery is practical for smartwatch projects or other projects where battery dimensions are crucial.

 

• Nominal voltage: 3.7V
• Capacity: 40mAh, 0.15Wh
• Dimensions: 24 x 8.5 x 3.5mm
• Standard JST-PH-2mm connector

DISCLAIMER: This battery has to be charged with a special charged that uses CC/CV principle. Li-ion batteries are dangerous! Read our tutorial (link in the top right corner) before use.

Holder for 18650 lithium battery
Holder for 18650 lithium battery

18650 battery holder allows easy use of lithium batteries in 18650 packaging. Otherwise, soldering these types of batteries is not recommended because the high temperature makes them lose their capacity. If you do not have a spot welding machine, we recommend that you get this kind of battery holder and you won’t have any problems with the loss of capacity, and it will allow you to use the batteries easily.

Power supply 5V 700mA 3.5W
Power supply 5V 700mA 3.5W

This small AC-DC power supply is a simple solution to supply Dasduino or other small devices that run on 5V. It is simple, give it an AC voltage of 230V from the socket, and it outputs 5V with a maximum of 700mA, which is 3.5W. Furthermore, the power plug itself is really small and will fit in any case.

Coming soon CR2032 battery holder
CR2032 battery holder

A through-hole holder for CR2032 3V battery which you can find on watches,  RTCs, toys, motherboard and other electronics.

 

BR2032 batteries are also suitable for this holder, but we do have one more battery type for you – CR2032 battery.

CR1220 battery holder
CR1220 battery holder

SMD Battery Holder for CR1220 3V battery, just like the one on our Croduino Damba.

CR2032 battery
CR2032 battery

A classic CR2032 3V battery, used in some watches or remote controllers.

CR1220 Battery
CR1220 Battery

CR1220 3V battery that we use in Croduino Damba.

 

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