3.7V 18650 Lithium Ion Battery (Normal Quality)

This 3.7V 18650 Lithium Ion Battery (Normal Quality), also known as a standard 18650 Li-ion rechargeable cell, is a widely used cylindrical battery designed for general-purpose electronics and DIY applications. It is a budget-friendly option for users looking for an affordable battery price in Bangladesh.

This battery is suitable for powering small electronic devices, Arduino and ESP-based projects, LED lights, emergency lamps, portable fans, and low-power DIY systems. It can also be used in battery packs, power banks (with proper modules), and various rechargeable devices.

Due to its normal-grade quality, this battery is best suited for light to moderate load applications where high precision or maximum capacity is not critical. In practical usage, the typical available capacity for this type of battery is around 600mAh to 800mAh, depending on usage conditions and discharge rate, which is standard for economy-grade 18650 cells.

This product is commonly used by students, hobbyists, and technicians for testing, prototyping, and low-cost projects. It offers a simple and economical solution for everyday electronics use.

⚠️ Note: Always use a proper lithium-ion charging module (such as TP4056 with protection), and avoid overcharging, deep discharging, or short-circuiting the battery.

• Battery Type: Lithium-Ion (Li-ion)
• Model: 18650 Cylindrical Cell
• Nominal Voltage: 3.7V
• Typical Capacity: 600mAh – 800mAh (normal quality range)
• Charging Voltage: 4.2V (max)
• Discharge Current: Suitable for low to moderate load applications
• Rechargeable: Yes
• Form Factor: Cylindrical (18650 standard size)