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Pricelist: Retail Price (B2C) Pricelist
18650 3.7V 1200mAh Lithium-Ion Rechargeable Battery Cell (29g Budget Grade) for DIY Projects

18650 3.7V 1200mAh Lithium-Ion Rechargeable Battery Cell (29g Budget Grade) for DIY Projects

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ComponentSpecification
ChemistryLithium-Ion (Li-ion)
Model18650 (Cylindrical)
Nominal Voltage3.7V
Full Charge Voltage4.2V
Capacity1200mAh
Weight29 Grams (Lightweight / Entry-Level)
Terminal TypeFlat Top
Price
₹ 38.14 ₹ 38.14
(Tax included)

Product Description The 18650 3.7V 1200mAh Lithium-Ion Battery is a cost-effective power solution designed for basic electronic prototypes and low-drain devices. At a weight of 29 grams, this cell is optimized for applications where keeping the overall project weight low is more important than extreme runtimes. It is an ideal choice for students and hobbyists building simple LED lanterns, portable small-scale fans, or basic DIY toy robots. The standard 18650 form factor ensures it fits into all common battery holders and works seamlessly with TP4056 charging modules.

Key Features

  • Lightweight Profile: 29g build reduces the load on small robotic chassis and handheld prototypes.

  • Standard 3.7V Output: Provides the necessary voltage for most 3.3V logic systems and 5V circuits (via boost converters).

  • Budget-Friendly: An economical choice for educational kits and bulk DIY projects.

  • Flat Top Terminals: Designed for secure fitment in spring-loaded battery compartments or for nickel-strip spot welding.

  • Universal 18650 Size: Compatible with a massive ecosystem of brackets, chargers, and power bank shells.

Technical Details

  • Dimensions: 65.0 mm (Height) x 18.2 mm (Diameter)

  • Standard Charge Current: 600mA (0.5C)

  • Operating Temperature: -10°C to +50°C

  • Cycle Life: ~300 Charge/Discharge cycles

  • Self-Discharge Rate: ~3% per month

Prototyping and Engineering Tips from Robogears

  • Current Draw Limit: This 1200mAh cell is a "budget grade" battery. It is perfect for low-current applications (under 1A). If you try to power a high-torque motor with it, the voltage will "sag" quickly, which might cause your microcontroller (like an Arduino) to reset.

  • The Weight Metric: In the 18650 world, weight is a quality indicator. While this 29g cell is great for simple LED projects or small sensors, for heavy-duty drones or power tools, we recommend our 44g Grade-A cells.

  • Charging Safety: Always use a charger with a strict 4.2V cutoff. Never leave lithium batteries charging unattended on a workbench.

  • Low Voltage Protection: This is an "unprotected" cell. To prevent permanent chemical damage, never let the voltage drop below 3.0V. We highly recommend using a TP4056 module with a protection circuit to manage this battery in your builds.

Package Includes

  • 1 x 18650 3.7V 1200mAh Li-ion Battery (29g)

Disclaimer Images are for reference; actual wrapper color or markings may vary by manufacturing batch. Specifications subject to change by manufacturer. Do not short-circuit, puncture, or expose to high heat.