18650 3.7V 1200mAh Lithium-Ion Rechargeable Battery Cell (36g Budget Grade) for DIY Projects

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