Yeecka produces affordable consumer electronics, specializing in high-capacity power bank DIY kits, Bluetooth audio receivers, and HDMI splitters.
Yeecka is a consumer electronics brand offering a variety of practical tech accessories and device peripherals. Their product lineup includes high-performance 100W fast-charging portable power bank DIY kits, car Bluetooth audio receivers for hands-free calling, and advanced HDMI switchers for home entertainment systems. Dedicated to convenience and functionality, Yeecka provides users with cost-effective solutions for charging devices on the go, upgrading home theaters, and adding wireless connectivity to older audio setups.
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Assembly requires soldering the 21700 battery cells to the protection board in a series configuration. You must connect the red positive wire to the B+ terminal and the black negative wire to the P- terminal. Be sure to use a standard soldering iron, as spot welding can damage the pads.
During fast charging operations (such as 100W PD output), higher power transfer causes energy conversion losses through the motherboard and chips. This energy dissipates as heat, which is a normal physical phenomenon.
The battery meter features a self-learning capacity recognition system. It may appear inaccurate immediately after connecting a new battery, but it will display accurate readings after completing several full charge and discharge cycles.
You can download detailed user manuals, assembly schematics, and pairing instructions for Yeecka power banks, Bluetooth receivers, and other electronics directly from this page.