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18650 3.7V 2000mAh Original Lithium-Ion Rechargeable Battery Cell (42g Grade A)

Specification	Details
Product Type	Lithium-Ion Rechargeable Battery Cell
Cell Size	18650
Battery Chemistry	Lithium-Ion (Li-ion)
Nominal Voltage	3.7V
Capacity	2000mAh
Energy	7.4Wh
Charge Voltage	4.2V
Discharge Cut-off Voltage	2.75V
Standard Charge Method	CC/CV (Constant Current / Constant Voltage)
Weight	Approx. 42g
Dimensions	Ø18 × 65mm
Cell Grade	Grade A
Rechargeable	Yes

Price

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₹ 76.27

(Tax included)

Barcode: 3279858

The 18650 3.7V 2000mAh Original Lithium-Ion Rechargeable Battery Cell is a premium Grade A cylindrical Li-ion battery designed for reliable power delivery and long service life. With a 2000mAh capacity, 3.7V nominal voltage, and approximately 42g weight, this rechargeable cell is ideal for battery packs, robotics, Arduino projects, emergency lighting, portable electronics, solar devices, DIY power banks, and various embedded applications. Manufactured using high-quality lithium-ion technology, it offers stable discharge performance, low self-discharge, and dependable rechargeability for everyday and industrial applications. Typical specifications for 2000mAh 18650 cells include a nominal voltage of 3.7V, charge voltage of 4.2V, and dimensions of approximately 18 × 65mm.

Key Features:

Premium Grade A 18650 Lithium-Ion Cell
2000mAh High Capacity
Stable 3.7V Nominal Output
Rechargeable up to hundreds of charge cycles
Low Self-Discharge Performance
High Energy Density
Lightweight Design (Approx. 42g)
Ideal for DIY Battery Packs
Suitable for Robotics and Embedded Systems
Reliable Performance for Portable Electronics

Technical Details:

Product Type: Rechargeable Lithium-Ion Battery
Battery Size: 18650
Battery Chemistry: Li-ion
Nominal Voltage: 3.7V
Rated Capacity: 2000mAh
Nominal Energy: 7.4Wh
Charge Voltage: 4.2V
Discharge Cut-off Voltage: 2.75V
Standard Charging Method: CC/CV
Approximate Weight: 42g
Cell Diameter: 18mm
Cell Length: 65mm
Rechargeable: Yes
Cell Grade: Grade A
Suitable Applications:
- DIY Battery Packs
- Arduino Projects
- Robotics
- RC Projects
- Solar Lighting
- Portable Electronics
- Emergency Lights
- LED Lighting
- IoT Devices
- Battery Backup Systems
- DIY Power Banks
- Educational Electronics Projects

Prototyping and Engineering Tips from Robogears:

Always charge the battery using a dedicated 4.2V Li-ion charger or a compatible Battery Management System (BMS).
Never short-circuit, puncture, crush, or expose the battery to excessive heat or fire.
When building multi-cell battery packs, use matched cells of identical capacity and age along with an appropriate BMS for safe charging and discharging.
Store the battery in a cool, dry place and avoid complete discharge to maximize cycle life.

Package Includes:

1 × 18650 3.7V 2000mAh Original Grade A Lithium-Ion Rechargeable Battery Cell

Disclaimer:

This rechargeable lithium-ion battery is intended for use with compatible charging circuits and Battery Management Systems (BMS). Incorrect charging, short circuits, physical damage, or exposure to extreme temperatures may permanently damage the cell and create safety hazards. Product appearance, wrapper color, and manufacturer markings may vary between production batches while maintaining the same electrical specifications and performance.

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