Description
The 18650 Li-ion 2500mAh Rechargeable Battery is a high-capacity lithium-ion cylindrical cell designed to deliver reliable and long-lasting power for a wide range of portable and embedded applications. With a nominal voltage of 3.7V and a capacity of 2500mAh, this battery provides enhanced runtime compared to lower-capacity variants, making it ideal for power banks, robotics systems, IoT devices, solar projects, LED lighting, and DIY electronics.
The 18650 format is globally recognized for its high energy density, stable discharge performance, and rechargeable capability, making it one of the most popular lithium-ion battery types used in consumer electronics and industrial applications.
🔋 Key Features of 18650 Li-ion 2500mAh Rechargeable Battery
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Standard 18650 cylindrical lithium-ion cell
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Capacity: 2500mAh
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Nominal voltage: 3.7V
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Rechargeable and reusable
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Higher runtime compared to 2000mAh variants
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Compact and lightweight design
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Stable discharge curve
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Suitable for battery pack assembly
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Long cycle life
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Ideal for portable and embedded systems
⚙️ Why Choose 18650 Li-ion 2500mAh Rechargeable Battery?
The 18650 Li-ion 2500mAh Rechargeable Battery offers a balance between compact size and extended power backup. It is widely chosen because of:
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Reliable performance under load
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Consistent voltage output
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Higher energy storage
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Compatibility with standard 18650 holders
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Easy integration with BMS modules
Whether you are building a portable power solution or assembling a rechargeable battery pack, this 2500mAh version provides improved operating time and efficiency.
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 18650 Li-ion 2500mAh Rechargeable Battery |
| Battery Type | Lithium-ion |
| Model | 18650 |
| Nominal Voltage | 3.7V |
| Capacity | 2500mAh |
| Rechargeable | Yes |
| Form Factor | Cylindrical |
| Diameter | ~18mm |
| Length | ~65mm |
| Application | Portable Electronics |
| Condition | Brand New |
| Quality | High Reliability |
🔌 Applications of 18650 Li-ion 2500mAh Rechargeable Battery
The 18650 Li-ion 2500mAh Rechargeable Battery is commonly used in:
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DIY power banks
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Arduino & ESP32 battery projects
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Solar energy storage systems
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LED lighting setups
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Robotics and automation systems
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Emergency lights
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Flashlights
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Portable electronic devices
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IoT monitoring systems
It can be configured in series for higher voltage or parallel for increased capacity, depending on your project requirements.
🧩 Compatibility & Integration
This battery is compatible with:
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18650 battery holders
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Battery Management System (BMS) boards
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TP4056 lithium battery charging modules
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Boost and buck converters
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Power bank PCBs
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Protection circuits
⚠️ Always use proper lithium-ion charging modules and protection circuits to ensure safety and maximize battery lifespan.
🔒 Safety & Handling Guidelines
When using the 18650 Li-ion 2500mAh Rechargeable Battery, follow these safety precautions:
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Do not short-circuit terminals
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Avoid overcharging and over-discharging
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Use compatible lithium battery chargers
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Do not expose to fire or high heat
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Store in a cool, dry environment
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Use BMS for multi-cell packs
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Avoid physical damage to the cell
Proper handling ensures long service life and safe operation.
🎓 Ideal for Education & Prototyping
The 18650 Li-ion 2500mAh Rechargeable Battery is widely used in:
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Engineering college projects
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IoT and robotics workshops
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Embedded system labs
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STEM learning programs
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Final-year power electronics projects
It helps students and developers understand:
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Battery pack design
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Voltage regulation
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Power management systems
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Energy storage integration
📦 Package Includes
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1 × 18650 Li-ion 2500mAh 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 orders supported
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Trusted electronics marketplace

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