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3.7V 2000mAh 18650 Lithium-ion Rechargeable Battery Cell
Power up your devices with a reliable energy source that lasts. This heavy-duty 3.7V 2000mAh Lithium-ion Battery Cell provides a steady, efficient electrical flow to keep your essential electronics running at peak performance. Packing 2000mAh of capacity into a compact cylindrical frame, it sustains stable voltage output and resists rapid self-discharge when stored away. The flat-top terminal design provides clean contact points, allowing you to easily rebuild weak device battery packs or drop it directly into compatible high-drain gadgets. With a long cycle life that withstands hundreds of recharges, it eliminates the waste of disposable batteries and saves you money over time
₹ 79
₹ 148
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| Made In : | India |
The 1850 3.7V 2000mAh Rechargeable Lithium-ion Battery Cell is a high-performance energy storage cell designed for portable electronics, DIY projects, robotics, power banks, and embedded systems. It delivers stable voltage output, high energy density, and long cycle life, making it ideal for compact and rechargeable power solutions.
This battery is widely used in electronics prototyping, Arduino-based systems, LED lighting packs, and small IoT devices.
Key Features
- High-capacity 2000mAh rechargeable Li-ion cell
- Standard 3.7V nominal voltage output
- Lightweight and compact cylindrical design
- High energy density for portable applications
- Long cycle life with stable performance
- Rechargeable using Li-ion compatible chargers
- Suitable for series and parallel battery packs
- Low self-discharge rate
- Ideal for DIY electronics and robotics
Technical Specifications
| Parameter | Specification |
|---|---|
| Cell Type | Lithium-ion (Li-ion) |
| Model | 1850 Series |
| Nominal Voltage | 3.7V |
| Capacity | 2000mAh |
| Charging Voltage | 4.2V (full charge) |
| Discharge Cut-off | ~2.75V – 3.0V |
| Shape | Cylindrical cell |
| Recharge Cycles | 500–1000+ cycles (typical) |
| Chemistry | Li-ion rechargeable |
How to Use
- Charge only with Li-ion compatible charger (4.2V max)
- Do not overcharge or deep discharge
- Use protection circuit (BMS) for battery packs
- Connect cells in series for higher voltage or parallel for higher capacity
- Avoid short circuits and physical damage
- Store in cool and dry conditions
- Maintain partial charge for long-term storage
Applications
- Power banks and portable chargers
- Arduino and ESP32 DIY projects
- Robotics and automation systems
- LED lighting battery packs
- IoT devices and sensors
- Smart gadgets and wearables
- Emergency backup power systems
- Embedded electronics development
Package Includes
1 * 1850 3.7V 2000mAh Rechargeable Lithium-ion Battery Cell
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