YAN9VUSBC – Yet another 9 volt USB charger

MrMunki has a good Instructable on making a super-compact 9 volt USB charger, he calls it a YAN9VUSBC (Yet another 9 volt USB charger) and besides its small form factor, the name is why I really like it – Link.

Related:

• MintyBoost! – Small battery-powered USB charger – Link.
• 9V USB Charger Kit – Link.
• Tons of USB charging action – Link.