Lithium Battery Shield 2x18650 Power Expansion 5V/2.2A & 3V/1A
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Prices updated: 14 Oct 2026
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About this product
A shield-style power expansion board that holds two 18650 lithium cells and provides 5 V / 2.2 A and 3 V / 1 A outputs. It powers Arduino and similar boards as a portable power source for mobile projects.
Specifications
- Battery type
- 2 x 18650 lithium cells
- Output 1
- 5 V / 2.2 A
- Output 2
- 3 V / 1 A
- Form factor
- Arduino shield-style board
Frequently asked questions
Can I power an Arduino from this shield?
Yes, the 5 V output can supply an Arduino-type board. Keep the load within the 2.2 A rating of that output.
Can I use the 3 V output for a 3.3 V board?
The 3 V output is rated for 1 A. Confirm that your device's voltage and current requirements match before connecting it.
