Samsung 40T 21700 4000mAh 30A Battery – Price in Pakistan, Features & Performance

The Samsung 40T 21700 4000mAh 30A Battery is a high-performance lithium-ion cell designed for advanced vaping devices, powerful box mods, and other high-drain electronics. Known for its reliability and power efficiency, this genuine Samsung battery is widely trusted by experienced vapers who demand stable output and long-lasting performance.

Product Overview

Built with a 4000mAh high-capacity design and a 30A continuous discharge rating, the Samsung 40T delivers an excellent balance of power, endurance, and safety.

It is suitable for both single-battery and dual-battery devices, ensuring consistent performance across long vaping sessions without voltage drops.

Technical Specifications

• Model: Samsung 40T
• Capacity: 4000mAh (nominal)
• Continuous Discharge: 30A
• Voltage: 3.6V nominal / 4.2V fully charged
• Size: 21700 format
• Terminal Type: Flat top
• Chemistry: Lithium-ion
• Brand: Genuine Samsung cell

Key Features & Benefits

🔋 High Power Output (30A Discharge)

Designed for sub-ohm vaping and high-wattage devices, delivering strong and stable current for demanding setups.

🔋 Large 4000mAh Capacity

Provides longer runtime per charge, reducing the need for frequent recharging compared to smaller 18650 batteries.

🔋 Stable & Reliable Performance

Ensures consistent voltage delivery, improving device efficiency and vaping experience.

🔋 Trusted Samsung Quality

Manufactured under strict quality control standards for safety, durability, and long lifespan.

Compatibility

The Samsung 40T 21700 battery is ideal for:

• High-wattage vape mods
• Regulated box mods
• Mechanical devices (with proper safety knowledge)
• Any device supporting 21700 cells

Safety Guidelines

To ensure safe usage and longer battery life:

• Use a proper lithium-ion smart charger
• Avoid overcharging or deep discharging
• Store in a protective battery case
• Keep away from heat, water, and metal contact
• Inspect regularly for damage or torn wrapping

⚠️ Replace immediately if the battery shows swelling, damage, or abnormal heating.

Why Choose Samsung 40T?

• 4000mAh long-lasting capacity
• Strong 30A continuous discharge
• Ideal for high-drain vaping devices
• Stable voltage output under load
• Trusted Samsung manufacturing quality
• Excellent balance of power + battery life

Final Verdict

The Samsung 40T 21700 4000mAh 30A battery is one of the most reliable high-drain cells available in the market. It offers powerful performance, long usage time, and strong safety standards—making it a top choice for advanced vapers and power users in Pakistan.