The RBS (Radio Battery Switch) is a small unit that connects between your QRP radio and LiPo battery. Ideal for portable use.
This is a full kit containing everything you need. All SMD parts come pre-loaded with only a handfull of parts to install.
See the Shop page for pricing and availability.
Construction manual: RBS manual
Features: • Small and lightweight. • Easy to connect using screw terminals. • Can be used with most battery/power supplies and radios. • Low battery monitor automatically turns off power if battery gets too low. • Adjustable low voltage limit to match the battery type. • Battery LED indicates battery connected. • Radio LED indicates RBS is on and power is supplied to radio. • Simple and convenient on/off operation using pushbuttons. • Reverse polarity protected on battery input. • Optional series diodes to lower radio voltage if required. • Supply and switch up to 3A radio current.