Description
Samsung 30T & 40T(INR21700-30T / INR21700-40T)
⚡3.6V 35A 🔋3000mAh / 4000mAh
📌 Samsung 30T & 40T Overview
Samsung 30T & 40T are 21700 cylindrical rechargeable lithium-ion cells with 3.6V nominal voltage and 35A maximum discharge current, designed for high-drain power applications requiring strong output, low impedance, and fast power response.
Samsung 30T focuses on extreme power output with 3000mAh capacity, while Samsung 40T provides a stronger balance between power and runtime with 4000mAh capacity. These cells are suitable for racing FPV drones, high-power agricultural drones, high-speed RC cars and boats, heavy-duty industrial tools, high-speed electric motorcycles, and high-power battery pack projects.
✨ Samsung 30T & 40T Key Features
● 🔋 Format: 21700 cylindrical cells, with 3000mAh capacity for 30T and 4000mAh capacity for 40T
● ⚡ Positioning: ultra-high-drain INR21700 power cells focused on high-current output, low impedance, and instant power response, with 35A maximum discharge capability
● 📊 Application Profile: 30T is optimized for stronger peak power output, while 40T provides a better balance between power and runtime
● 🔌 Discharge Performance: supports heavy-load discharge and short-duration peak output for racing, industrial, and high-power model applications
● 🧩 Impedance: low-impedance design helps reduce voltage sag under high-current load and improves output stability
● 🔁 Stability: mature high-drain power performance for battery pack projects requiring strong acceleration, fast response, and continuous output
🛠️ Samsung 30T & 40T Applications
🚁 Racing FPV Drones / High-Power Agricultural Drones
Suitable for racing FPV drones, agricultural drones, and industrial drone power systems requiring high-rate discharge and fast response.
🚗 High-Speed RC Cars / RC Boats
Designed for high-speed RC cars, RC boats, and model power systems requiring strong instant output.
🛠️ Heavy-Duty Industrial Power Tools
Can be used in heavy-duty cordless impact wrenches, drills, cutting tools, and high-power tool battery packs.
🌲 High-Power Garden Tools
Suitable for lithium battery conversion projects for chainsaws, garden tools, and outdoor high-power equipment.
🛵 High-Speed Electric Motorcycles
Suitable for high-speed folding electric motorcycles, light electric vehicles, and high-drain two-wheel traction systems.
🤿 High-Power Underwater Scooters
Can be used in underwater scooters, diving propulsion systems, and high-power portable traction devices.
🔋 Vehicle Startup Assist Power
Suitable for vehicle startup assist modules, emergency power packs, and short-duration high-output backup power systems.
📊 Samsung 30T & 40T Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Samsung |
| Model | 30T / 40T |
| Full Model | INR21700-30T / INR21700-40T |
| Cell Format | 21700 |
| Form | Cylindrical |
| Cell Type | Rechargeable lithium-ion cell |
| Series | INR21700 Ultra-High-Drain Power Series |
| 30T Capacity | 3000mAh |
| 40T Capacity | 4000mAh |
| Nominal Voltage | 3.6V |
| Max Discharge Current | 35A |
| Positioning | Ultra-high-drain power cell |
| Key Characteristics | High-current output, low impedance, strong burst power, fast power response |
| Applications | Racing FPV drones, agricultural drones, high-speed RC models, heavy-duty industrial tools, electric motorcycles, underwater scooters, startup assist power |










