High Quality 3.7V 3000mAh 21700 Lithium Battery Cell

The 3.7V 3000mAh 21700 lithium battery cell is built for users who need stable power output, long runtime and reliable high-drain performance. It suits vape mods, DIY battery packs, flashlights and other energy-hungry electronics. The larger 21700 format carries more capacity and dissipates heat better than the older 18650 size.

Real-world performance

• Stable 3.7V nominal voltage under load
• 3000mAh capacity for extended runtime
• Smooth, consistent energy delivery
• Reliable performance in high-drain devices

Build quality and safety

• Overheat resistance for safer operation
• Short-circuit protection support (device dependent)
• Strong cycle life for repeated charging
• Improved heat dissipation thanks to the 21700 size

Battery safety: never carry a loose cell in a pocket, replace any torn wrap before use, and charge only on a proper li-ion charger.

Key specifications

• Nominal voltage: 3.7V
• Capacity: 3000mAh
• Format: 21700 lithium-ion
• Low internal resistance, rechargeable design

3.7V 3000mAh 21700 Battery Price in Pakistan

This 21700 cell is priced at Rs 1,700 at Vape Brothers. 100% original stock, nationwide delivery in 1-3 working days, cash on delivery available.

How it compares

If your mod takes the larger format, the Samsung 40T 21700 4000mAh 30A cell is the higher-capacity step up. Running an 18650 device instead? Look at the HG2 18650 3000mAh, the budget Samsung 18650 ICR 28A or the 3000mAh 18650 vape battery.

Charge it properly on the CellKing CK4 four-slot charger, browse the rest of our batteries and chargers, or pick a mod for it from the devices collection.

Frequently Asked Questions

What does this 21700 battery cost in Pakistan?

It is Rs 1,700 per cell at Vape Brothers, with cash on delivery and 1-3 working day shipping.

Is a 21700 better than an 18650?

The 21700 is physically larger, so it holds more capacity and handles heat better. It only fits devices built for the 21700 size.

How should I charge it?

Use a dedicated lithium-ion charger such as the CellKing CK4 or the Nitecore i2, and avoid overcharging or deep discharging.

Do you deliver batteries across Pakistan?

Yes, we ship nationwide in 1-3 working days and cash on delivery is available.