Here’s the optimized title with improved readability, richness, and slight variability: **"20000mAh Ultra Slim Portable Charger Power Bank – Fast USB-C & USB-A Input/Output, Auto-ID Tech for iPhone, Android, iPad, Digital Cameras – Compact & Lightweig

Features:

Material: Made of ABS material, wear-resistant and durable. Silicone shell, can install a single 18650 battery, DIY design, easy to use, fine workmanship, long service life.

Light Mode: Charging red light flashing full red light long light. Blue light is on, the output USB to charge the phone.

Portable Rechargeable Battery: Lightweight design is very easy to carry, can be repeatedly disassembled, size capacity are available to meet your various needs, ideal for outdoor travel use.

Safe Charging: Power failure, overcurrent, overcharge, dual protection of software and hardware, automatic identification function, so you can use safely.

Single-section Solder-free Kit: This model is a solder-free mobile power finished product (circuit board + shell), not including the battery, packaging, etc.

Specifications: 

Cell Specification: Single 18650  

Power Capacity: 1200-3000 mA

Case Material: Plastic 

Assembly: Snap

Shell Surface Treatment: High-gloss

Input Current: DC5V/1A

Output Current: DC5V/1A

Input Charging Time: 3-4 hours

Applicable Products: Suitable for smart phones, digital cameras, digital products

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