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1850 3.7V 2000mAh Rechargeable Lithium-ion Battery Cell
Rechargeable batteries (also known as secondary cells) are batteries that potentially consist of reversible cell reactions that allow them to recharge, or regain their cell potential, through the work done by passing currents of electricity. 1850-size 2000mAh 3.7V Li-ion rechargeable battery with high energy density and long life, ideal for DIY electronics, power banks, flashlights, Arduino, and IoT projects.
₹ 55
₹99
99
Electro Boat Product Description (Detailed):
Unlock reliable, long-lasting power for your portable devices with our premium 18500 3.7V 2000mAh Rechargeable Lithium-ion Battery Cell. Engineered for optimal performance, this cylindrical Li-ion battery offers an impressive 2000mAh capacity, ensuring extended runtimes for your high-drain electronics. With a nominal voltage of 3.7V and a fully charged voltage of 4.2V, these cells provide consistent and stable power output, crucial for demanding applications. The 18500 battery designation refers to its precise dimensions: 18mm in diameter and 50mm in length, making it a compact yet powerful energy solution. Featuring high energy density, low self-discharge rate, and typically supporting over 500 recharge cycles, our batteries are built for durability and sustainability. Ideal for LED flashlights, portable fans, medical devices, and custom electronic projects, these rechargeable lithium-ion batteries deliver robust power in a lightweight package. Always ensure use with a compatible lithium-ion charger and consider models with integrated protection circuits for enhanced safety against overcharge, over-discharge, and short-circuit events, maximizing the battery lifespan and performance.
This 1850 2000mAh 3.7V lithium-ion rechargeable battery is ideal for a wide range of portable electronics and DIY embedded systems. With a cylindrical 1850 form factor, it fits perfectly into compact designs like IoT devices, mini robots, torchlights, and wireless modules.
Its high energy density and 2000mAh capacity ensure longer operation, and it can be easily recharged using standard Li-ion charging modules like TP4056. Built with safety in mind, this Li-ion cell offers consistent voltage output and can be used in both series or parallel configurations for extended voltage or current supply.
Key Features:
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2000mAh high-capacity rechargeable battery
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3.7V nominal voltage – perfect for low-power devices
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Compact 1850 cylindrical form factor
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Suitable for Arduino, Raspberry Pi, flashlights, power banks, toys
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Rechargeable using TP4056 or Li-ion chargers
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Long cycle life and stable discharge rate
Technical Specifications:
| Parameter | Specification |
|---|---|
| Battery Type | Rechargeable Li-ion Cell |
| Model | 1850 |
| Capacity | 2000mAh ±5% |
| Voltage (Nominal) | 3.7V DC |
| Max Charging Voltage | 4.2V DC |
| Discharge Cut-off | 2.75V |
| Standard Discharge | 1C (2A max recommended) |
| Charging Method | CC-CV (Constant Current, Constant Voltage) |
| Form Factor | 1850 cylindrical (18mm × 50mm approx) |
| Cycle Life | 300–500 cycles (under proper usage) |
How to Use:
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Charge using a Li-ion charger (TP4056 recommended).
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Connect in series or parallel for voltage/current configuration.
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Always use battery protection circuitry to prevent overcharge/discharge.
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Ideal for use with Arduino, NodeMCU, LED lights, Bluetooth speakers, etc.
Caution: Do not short circuit. Avoid overcharging. Use only with compatible Li-ion protection modules.
Applications:
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DIY power banks
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Bluetooth speakers and portable audio
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Arduino & Raspberry Pi battery backup
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LED flashlights and torchlights
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RC toys and wearable electronics
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IoT wireless sensor nodes
Package Includes:
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1 × 1850 2000mAh 3.7V Rechargeable Li-ion Battery Cell
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