USB 26650 Li-ion Battery Rechargeable High Capacity with Built-in Charging Port

Product Specification

Product Description:

A USB 26650 Li-ion battery is a rechargeable lithium-ion battery in the 26650 cylindrical size, designed with a built-in USB charging port. It allows convenient charging through a USB cable without the need for an external charger. This type of battery offers high capacity, long cycle life, and is commonly used in flashlights, power tools, portable devices, and other high-drain applications.

Product advantage:

• Built-in USB Charging – Easy to recharge with any USB cable, no need for an external charger.

• High Capacity – Provides long-lasting power for high-drain devices.

• Convenient & Portable – Charge anytime, anywhere with power banks, laptops, or adapters.

• Safety Features – Often equipped with overcharge, over-discharge, and short-circuit protection.

• Eco-Friendly & Reusable – Rechargeable design reduces waste compared to disposable batteries.

• Versatile Applications – Suitable for flashlights, portable fans, power tools, and other electronic devices.

Applications: 

• Flashlight – Provides powerful and long-lasting illumination.

• Headlamp – Ensures reliable lighting for outdoor activities.

• Bike Light – Offers bright and safe lighting for night riding.

• Emergency Light – Delivers dependable backup power during outages.

• Mini-fan – Supports portable cooling with extended runtime.

• Microphone – Powers wireless microphones for stable performance.

Support and Services:

At Yunfan Factory, we are committed to delivering not only high-quality lithium batteries but also comprehensive support and services:

1. Sample Availability – Quick sample supply to help customers test and evaluate before bulk orders.

2. OEM & Customization – Flexible customization for capacity, voltage, appearance, and branding.

3. Technical Support – Professional engineers provide guidance on battery design, installation, and usage.

4. 24/7 Online Service – Fast response to inquiries and after-sales support around the clock.

5. Global Shipping – Safe and reliable delivery by sea, air, or express with strong export packaging.

6. After-sales Guarantee – Long-term warranty and reliable maintenance service to ensure customer satisfaction.

Packing and Shipping:

Yunfan Factory ensures safe and reliable delivery of all lithium battery products. Packaging is available in strong cartons or wooden boxes to protect the batteries during transit. For transportation, we offer flexible options including sea freight, air freight, and express delivery, depending on customer needs. Each shipment is carefully handled to guarantee that products arrive in perfect condition.

FAQ:

Q1: How do I charge the USB 26650 Li-ion battery?
A1: You can charge it directly with any standard USB cable through the built-in port, no external charger required.

Q2: How long does it take to fully charge?
A2: Charging time depends on the power source, usually around 4–6 hours.

Q3: Is the battery safe to use?
A3: Yes, it is equipped with protection against overcharge, over-discharge, and short circuits.

Q4: Can I use this battery for my flashlight or headlamp?
A4: Absolutely, it is widely used in flashlights, headlamps, bike lights, emergency lights, mini-fans, and microphones.

Q5: How many times can the battery be recharged?
A5: It supports hundreds of charge cycles, offering long-lasting performance and cost efficiency.