The FiiO E-Stick is a compact, purpose-built backup battery designed to extend the playback time of FiiO's portable DAC/amplifiers. Rather than relying on a generic power bank, the E-Stick integrates directly via USB-C, sitting flush alongside devices such as the FiiO KA17 and QX13 to form a tidy, pocket-friendly stack. Its slim aluminium chassis matches the aesthetic of the FiiO portable range and adds minimal bulk whilst meaningfully extending listening sessions.
Compact Power Where You Need It
With a 1,100 mAh lithium-ion cell at its core, the E-Stick delivers a rated output of 5V at 0.6A through its USB-C port. The charge-and-discharge circuitry is built around the SW6003 chip, complemented by AVX low-ESR series tantalum capacitors on the output stage for stable, clean power delivery. The E-Stick accepts charging via a 5V 1A input, and four LED indicators on the top edge show remaining battery level at a glance.
Minimal Size, Real-World Impact
Measuring just 64 mm x 23.5 mm x 13 mm and weighing 30.8 g, the E-Stick adds negligible weight and volume to a pocket rig. A protective cap covers the USB-C plug when not in use. The E-Stick is available in Black, Blue, and Titanium Gold to complement the colour options in the FiiO portable DAC/amp range.
