Description
The 18650 Li-ion 2000mAh Rechargeable Battery is a high-performance cylindrical lithium-ion battery designed for portable electronics, DIY projects, robotics, power banks, IoT devices, and battery-powered systems. With a nominal voltage of 3.7V and a capacity of 2000mAh, this battery delivers reliable and stable power for a wide range of applications.
The 18650 battery format is one of the most widely used lithium-ion cell types due to its compact size, high energy density, long cycle life, and consistent discharge performance. Whether you are building a custom power bank, assembling a battery pack, or powering embedded electronics, this battery offers dependable performance.
🔋 Key Features of 18650 Li-ion 2000mAh Rechargeable Battery
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Standard 18650 cylindrical lithium-ion cell
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Capacity: 2000mAh
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Nominal voltage: 3.7V
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Rechargeable and reusable
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High energy density
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Stable discharge characteristics
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Lightweight and compact
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Suitable for battery packs
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Long cycle life
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Ideal for DIY and industrial applications
⚙️ Why Choose 18650 Li-ion 2000mAh Rechargeable Battery?
The 18650 Li-ion 2000mAh Rechargeable Battery is preferred because of its:
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Consistent output voltage
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Reliable recharge cycles
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Compact and durable metal casing
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Good balance between size and capacity
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Compatibility with standard 18650 holders
It is widely used in:
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Power banks
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Flashlights
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Emergency lights
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Robotics systems
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Solar power storage
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DIY electronics projects
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Portable devices
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 18650 Li-ion 2000mAh Rechargeable Battery |
| Battery Type | Lithium-ion |
| Model | 18650 |
| Nominal Voltage | 3.7V |
| Capacity | 2000mAh |
| Rechargeable | Yes |
| Form Factor | Cylindrical |
| Diameter | ~18mm |
| Length | ~65mm |
| Application | Portable Electronics |
| Condition | Brand New |
| Quality | High Reliability |
🔌 Applications of 18650 Li-ion 2000mAh Rechargeable Battery
The 18650 Li-ion 2000mAh Rechargeable Battery is suitable for:
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DIY power banks
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Arduino & ESP32 battery projects
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Solar lighting systems
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RC cars and robotics
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Emergency lighting systems
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LED strips and portable lighting
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IoT monitoring devices
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Portable chargers
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Electronic gadgets
It can be connected in series or parallel to create custom battery packs depending on voltage and capacity requirements.
🧩 Compatibility & Integration
This battery works well with:
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18650 battery holders
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BMS (Battery Management System) modules
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TP4056 charging modules
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DC-DC boost/buck converters
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Power bank PCBs
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Protection circuits
⚠️ Always use proper charging and protection circuits to ensure safety and long battery life.
🔒 Safety & Usage Tips
When using the 18650 Li-ion 2000mAh Rechargeable Battery, follow these precautions:
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Do not short-circuit terminals
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Use compatible lithium battery chargers
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Avoid overcharging or deep discharging
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Store in a cool, dry place
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Do not expose to high temperatures
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Use protection circuit (BMS) when building packs
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Keep away from children
Proper handling ensures safe and long-lasting battery performance.
🎓 Ideal for Education & Prototyping
This battery is widely used in:
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Engineering projects
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Electronics labs
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IoT workshops
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Robotics training
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STEM learning kits
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College mini and final-year projects
It helps students understand:
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Battery management systems
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Voltage boosting and regulation
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Portable power design
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Energy storage systems
📦 Package Includes
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1 × 18650 Li-ion 2000mAh Rechargeable Battery
✅ Why Buy from INFYNIQS
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Quality-tested lithium-ion cells
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Reliable performance for DIY & industrial use
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Affordable pricing
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Bulk supply available
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Trusted electronics marketplace

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