It outputs 4.8 volts and 0.8 amps even with a good battery. It will charge the phone in an emergency situation, although it takes a very long time.
DIY USB 1×18650 Mobile Power Bank Case Charger Pack
Compact DIY power bank case for 1x 18650 battery with fast, safe USB charging. Compatible with multiple devices.
Compact DIY power bank case
This mobile power bank case supports 1x 18650 3.7V Li-ion battery (not included) and features a smart self-adaptive charging technique for faster and safer charging.
Its simple, fashionable design comes with a colorful shell available in black, blue, pink, white, green, and yellow options.
Wide device compatibility
Compatible with iPod, iPhone, iPad, mobile phones, MP3, MP4 players, Gameboy, PDA, GPS, and more, ensuring versatile use across popular electronics.
User-friendly charging options
Charges via USB cord (not included) or by charging the battery externally with other compatible chargers.
Please install the battery correctly, paying attention to polarity to avoid damage.
Convenient dimensions and portability
Measuring 9.5cm x 2.5cm x 2cm, the case is small and lightweight, making it easy to carry and use on the go.
Key specifications
- Input: DC 5V (Micro USB)
- Output: DC 5V
- Battery compatibility: 1x 18650 3.7V Li-ion battery (not included)
- Size: 9.5cm x 2.5cm x 2cm
What's in the box
- 1x DIY Battery Charger Case (battery not included)
Discussion
excellent material
everything is great.
delivery is fast, well packaged.
I recommend
