Mini Lithium Battery 5V USB 1A Charging Board

Name: Mini Lithium Battery 5V USB 1A Charging Board
Brand: Official Hobby Components Online Store | Buy Electronic Kits, Components, Boards, Shields, Modules
SKU: SKU-d97ab510688c
Price: 0.27 USD
Availability: InStock
Rating: 4.4 (5 reviews)

Mini Lithium Battery 5V USB 1A Charging Board - Main image

$0.27 ~~$0.41~~ In stock

Category: Power

Charging: Linear charge

Input interface: Mini USB

Charging current: 1A (Adjustable, requires resistor change)

Input voltage: DC 4.5V-5.5V...

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Customer Reviews (4.4 / 5 · 5 reviews)

Nicholas N. ★★★★★ Oct 22, 2026

The adjustable charging current was the main reason I grabbed this, and swapping the resistor took me about ten minutes with a soldering iron. Input via mini USB is a bit dated, but for a compact charging board that handles 1A it's done its job flawlessly in two builds so far.

Jacob ★★★★★ Oct 19, 2026

Took a gamble on this tiny board for a DIY power bank and it paid off. The mini USB input makes it super easy to wire up, and the 1A charge rate is actually steady, not just on paper.

Ella P. ★★★★★ Oct 18, 2026

The 1A charging current is spot-on for my small 3.7V packs, and the mini USB input makes it easy to wire up without hunting for a special cable. Took a few minutes to solder, but the board is compact and does exactly what it should.