Batteries

Plastic holder for four AA batteries with four mounting holes. Connects batteries into series.

• Battery size: AA
• Number of batteries: 4

Plastic holder for five AA batteries with two mounting holes. Connects batteries into series.

• Battery size: AA
• Number of batteries: 5

Plastic holder for six AA batteries with two mounting holes. Connects batteries into series.

• Battery size: AA
• Number of batteries: 6

Quality AAA battery manufactured in Germany. Voltage 1.5V.

Quality AA battery manufactured in Germany. Voltage 1.5V

Battery clip for a 9V battery. It allows connecting a circuit to the 9V battery.

Plastic holder for 1 AA battery, with 1 hole for mounting.

• Battery size: AA
• Number of batteries: 1
• Wire length: 10cm

Plastic holder for three AAA batteries, with three holes for mounting. Connects batteries in series.

• Battery size: AAA
• Number of batteries: 3
• Wire length: 9.8cm

Plastic holder for two AAA batteries, with three holes for mounting. Connects batteries in series.

• Battery size: AAA
• Number of batteries: 2
• Wire length: 15cm

Plastic holder for two AA batteries, with two holes for mounting. Connects batteries in series.

• Battery size: AA
• Number of batteries: 2
• Wire length: 15cm

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.

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.

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.

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

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

CR1220 3V battery that we use in Croduino Damba.