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USB 18650 Li-ion Battery Cell 3.6V 3500mAh Micro Charge Port For Microphone
Product Overview
The USB 18650 Li-ion Battery Cell is a high-capacity rechargeable lithium-ion battery featuring a built-in Micro USB charging port for convenient direct charging. Designed for wireless microphones, bike lights, emergency lights, mini-fans, and other portable electronic devices, it can be charged from any standard 5V USB power source without needing a dedicated battery charger. With high energy density, long cycle life, and integrated protection circuit, this battery delivers reliable, stable power for professional and everyday applications.
Key Features
Built-in Micro USB charging port for direct USB charging
Compatible with 5V USB wall chargers, laptops, power banks, and car chargers
500+ recharge cycles for long service life
Integrated protection circuit against overcharge, over-discharge, over-current, and short circuit
Low self-discharge for excellent storage performance
LED charging indicator for charging status
Environmentally friendly replacement for disposable batteries
Technical Specifications
Battery Type
Rechargeable Li-ion 18650
Nominal Voltage
3.6V
Nominal Capacity
3500mAh
USB Charge
5V/600mAh±60mA
B+/B-Charge
4.2V/2000mA(Max)
Out Voltage
3.6V/8.0A(Max)
Charging Mode
CC/CV
Dimensions
18.7*70.2mm (Max)
Cycle Life
≥500 times
Applications
Flashlight, Headlamp, Bike light, Emergency Light, Mini-fan, Microphone
Product Advantages
Direct USB charging without a separate charger
Long-lasting 3500mAh capacity for extended runtime
Reliable power output for microphones and audio devices
Built-in safety protection for secure operation
Rechargeable design reduces environmental impact
Easy to carry and recharge while traveling or working outdoors
Important Safety Instructions
General Safety
Use the battery only in devices designed for 3.6V/3.7V rechargeable 18650 Li-ion batteries
Charge the battery only through the built-in Micro USB charging port using a 5V USB power source
Do not use the battery if it is damaged, swollen, leaking, or has a deformed casing
Never disassemble, puncture, crush, or modify the battery
Keep the battery away from children and pets
Do not expose the battery to fire, excessive heat, or direct sunlight
Storage Instructions
Store the battery in a cool, dry, and well-ventilated location
For long-term storage, maintain a charge level of 40%-60%
Recharge the battery every 3-6 months during extended storage
Keep batteries away from metal objects such as keys, coins, or tools to prevent accidental short circuits
Disposal
Do not dispose of the battery in household waste or fire
Recycle the battery through an authorized lithium-ion battery recycling facility in accordance with local regulations
