» Power Supplies » Batteries
This epoxy-encapsulated monocrystalline solar cell offers 6.7V and 20mA in a 37x33mm package. Now updated with the Miller Engine circuit!
2A Booster DC-DC Step-Up module Micro USB Input 2V-24V to 5/9/12/28V
This adjustable buck converter takes a higher voltage and efficiently cuts it down between 1.23~30VDC, without wasting the power a linear regulator or resistor will.
Have some low-capacity 1S LiPo cells needing a convenient charger? Simple and cheap!
This is a coin cell holder for the common CR2032 type battery. The holder has a neat pop-in, pop-out feature that makes changing the battery easy.
These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry.
Simple LiPo single-cell charger from Sparkfun, with a Micro-USB cable connector.
Switching Power Supply - Perfect for Arduino Uno projects!
When mini buck converters just won't do, 200W should manage it nicely.
Add a High Capacity Rechargeable power supply to your project easily!
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