Skip to content

Samsung

SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery

SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery is a high-drain lithium-ion cell with 35A discharge and 3000mAh capacity, priced at $7.99. Ideal for 21700 mech mods and regulated vaping devices requiring reliable, sustained power delivery.

$7.99

● In stock

Buy at Central Vapors →

Price and availability may change. Click to see current details on Central Vapors.

Key features

  • 35A max continuous discharge
  • 3000mAh nominal capacity
  • Flat-top 21700 design
  • 3.6V nominal voltage
  • Genuine Samsung SDI cell
  • 68.2g weight, 21.1mm x 70.2mm
  • 2.5V discharge cutoff

Pros

  • +High 35A discharge for intense power needs
  • +Authentic Samsung build quality
  • +Long-lasting 3000mAh capacity
  • +Reliable performance in mech mods
  • +Flat-top compatible with direct contact
!

Cons

  • Not ideal for low-drain devices
  • Requires proper battery safety knowledge
  • Pricier than 18650 alternatives

About Samsung SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery

What is SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery?

The SAMSUNG 30T 21700 Battery is a genuine lithium-ion cell manufactured by Samsung SDI, designed for high-performance vaping and portable power applications. With a nominal capacity of 3000mAh and a maximum continuous discharge current of 35A, this flat-top 21700 battery delivers robust power in a compact form. It operates at a nominal voltage of 3.6V and reaches a maximum charge voltage of 4.2V, making it compatible with advanced vaping devices that demand stable, high-current output. Weighing approximately 68.2g and measuring 21.1mm in diameter by 70.2mm in length, the 30T is engineered for durability and efficiency in demanding setups.

Key features

  • High Discharge Rate — 35A continuous output supports high-wattage devices.
  • True 3000mAh Capacity — reliable energy density for extended use.
  • Flat-Top Design — ideal for direct-contact mech mods and single-cell devices.
  • Samsung SDI Build — trusted quality and safety from a leading battery manufacturer.
  • 21700 Format — balances size and power over older 18650 cells.
  • 3.6V Nominal Voltage — optimized for regulated and unregulated circuits.
  • Discharge Cutoff at 2.5V — protects battery longevity and performance.

Who is SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery for?

This battery is best suited for experienced vapers using high-drain 21700-compatible devices, including mechanical mods and high-wattage box mods. It’s also valuable for users seeking longer runtime and stable power delivery without frequent recharging. Due to its high discharge capability, it’s not intended for low-drain or beginner devices.

How does SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery compare?

Compared to standard 18650 batteries, the 21700 30T offers higher capacity and better thermal management due to its larger size and modern chemistry. It outperforms many mid-tier 21700 cells in both discharge rating and real-world longevity. While pricier than basic cells, its Samsung authenticity and 35A rating make it more reliable than generic or rewrapped alternatives, especially in safety-critical applications.

🎯

Best use cases

  • Mechanical mod vaping
  • High-wattage regulated devices
  • Single-21700 vape mods
  • Portable high-drain electronics
  • Battery backup systems
🛒

Is SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery right for you?

The SAMSUNG 30T 21700 is best for experienced vapers using high-power devices. It requires knowledge of battery safety and proper charging. Ideal for those upgrading from 18650 cells. Consider this over generic 21700s for reliability. Alternatives include other high-drain 21700s like the Molicel P42A or Samsung 40T, depending on device fit and power needs.

How it compares: Compared to standard 18650 batteries, the 30T offers higher capacity and better heat dissipation. It outperforms many rewrapped or generic 21700 cells in safety and sustained output, making it a premium choice for high-drain applications over budget lithium-ion options.

More from Central Vapors

?

Frequently Asked Questions

What is the capacity of the Samsung 30T 21700 battery?

The Samsung 30T 21700 battery has a nominal capacity of 3000mAh, providing reliable and long-lasting power for high-drain devices like advanced vape mods and portable electronics requiring sustained energy output.

Does the Samsung 30T support 35A continuous discharge?

Yes, the Samsung 30T is rated for a maximum continuous discharge current of 35A, making it suitable for high-power applications including mechanical mods and regulated devices with intense current demands.

How does the 21700 30T compare to 18650 batteries?

The 21700 30T offers higher capacity and better thermal performance than most 18650 batteries. Its larger size allows for more energy storage and improved heat dissipation, ideal for high-wattage devices.

Is the Samsung 30T a flat-top or button-top battery?

The Samsung 30T is a flat-top battery, designed for direct contact in mechanical mods and devices that require a flush connection between the battery and device terminal for optimal conductivity.

Can I use the Samsung 30T in regulated vape devices?

Yes, the Samsung 30T is safe for use in regulated vape devices that accept 21700 batteries. Its 35A discharge and 3000mAh capacity make it ideal for high-performance, long-run-time setups.

How much does SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery cost?

SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery is $7.99 at Central Vapors. Prices may change — click through to Central Vapors for the latest.

Is SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery in stock at Central Vapors?

Yes, SAMSUNG 30T 21700 Battery 3000mAh 35A - 30T | 21700 Battery is currently in stock at Central Vapors.

Specifications

Brand
Samsung
Category
Accessories
SKU
1162-39487
Last updated May 14, 2026