Sinowatt 30SP 3000mAh 18650 Flat Top 15A Rechargeable Battery

Overview

The Sinowatt SW18650-30SP is a rechargeable 18650 lithium-ion cell designed for applications that need dependable capacity in a compact cylindrical format. According to Sinowatt’s product specification, it is a flat-top cell with a rated capacity of 3000mAh and a nominal voltage of 3.6V, making it suitable for devices built around standard 18650 sizing. The manufacturer states a maximum continuous discharge of 15A at 25°C, with a maximum instantaneous discharge of 30A. It also lists a minimum capacity of 2900mAh and a low internal impedance of up to 18mΩ, supporting stable everyday performance. This cell is unprotected, so it is intended for equipment and battery packs that already provide appropriate protection and charging control. Use only with compatible chargers and devices, and always follow lithium-ion safety guidance. Package content includes one Sinowatt 30SP battery.

Key Features

• 3000mAh rated capacity for extended runtimes
• Flat-top 18650 format
• 15A maximum continuous discharge
• 30A maximum instantaneous discharge
• Unprotected cell for suitable assemblies
• Nominal 3.6V lithium-ion cell

Specifications

• Brand: Sinowatt
• Model: SW18650-30SP
• Battery Type: Cylindrical lithium-ion rechargeable cell
• Format: 18650
• Capacity: 3000mAh rated, 2900mAh minimum
• Nominal Voltage: 3.6V
• Platform Voltage: 3.60V
• Continuous Discharge Current: 15A max at 25°C
• Instantaneous Discharge Current: 30A max
• Internal Resistance: ≤18mΩ
• Charge Voltage: 4.2V
• Charging Method: CC-CV
• Charging Temperature: 0°C to +45°C
• Discharge Temperature: -20°C to +75°C
• Cell Style: Flat top
• Protection: Unprotected

Compatibility

• Compatible with devices designed for flat-top 18650 cells.
• Suitable for protected battery packs and regulated electronics.
• Use only where 3.6V lithium-ion cells are specified.

Package Contents

• 1 x Sinowatt 30SP 3000mAh 18650 battery

Usage Guidance

• Charge only with a suitable 4.2V lithium-ion charger.
• Do not use in devices requiring protected cells.
• Store in a cool, dry place away from metal objects.

Frequently Asked Questions

Is this a flat-top battery?

Yes. The SW18650-30SP is a flat-top 18650 cell.

Does it include built-in protection?

No. This model is supplied as an unprotected cell.

What is the continuous discharge rating?

Sinowatt specifies a maximum continuous discharge of 15A.