Catalog > Internet of Things (IOT) Related Products > RFduino Rfduino Rfduino Dual AAA Battery Shield Rfduino Dual AAA Battery Shield Provides Stable 3.3V Step-up Switching Regulator RFDUINO DUAL AAA SHIELD RFD22126 :: RFduino Dual AAA Battery Shield with Step-up Switching Regulator providing a 3.3V stable voltage 408.50 ZAR inc for 1 Each 4 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Dual AAA Battery Shield for RFduino. The shield has a step-up switching regulator which allows the batteries to be drained down to low voltages while still providing a stable 3.3V to the RFduino. Specifications Item : RFD22126 Output Voltage : 3.3V Output Current : 100mA Size – Width : 25.4mm (1.000 Inch) Size – Length : 77.47mm (3.050 Inch) Downloads Schematic - RFD22126 PDF File 153.42 KB Datasheet - RFduino. PDF File 1.55 MB PCB Layout - RFD22126 PDF File 2.17 MB References Product Page Videos