Description
Samsung 45T 21700 Battery – High-Drain Lithium-Ion Power Cell
Overview
The Samsung 45T 21700 Battery is a high-drain lithium-ion rechargeable cell, engineered for serious performance in demanding applications. With a solid 4500mAh capacity and an impressive 50A continuous discharge rate, it’s ideal for high-powered devices that require both endurance and a strong current output.
Key Features
✅ High Capacity: 4500mAh delivers long runtimes for energy-intensive devices.
✅ Ultra-High Discharge Rate: 50A continuous discharge – built for extreme power output.
✅ Stable Lithium-Ion Chemistry: Provides consistent performance with minimal voltage sag.
✅ Rechargeable & Durable: Maintains high efficiency over hundreds of charge cycles.
✅ 21700 Format: Offers improved capacity and current handling over 18650 cells.
Specifications
| Specification | Details |
|---|---|
| Brand | Samsung |
| Model | 45T |
| Battery Type | 21700 |
| Capacity | 4500mAh |
| Nominal Voltage | 3.6V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.5V |
| Continuous Discharge Rate (CDR) | 35A without temp cut | 50A with 80C temp cut |
| Rechargeable | Yes |
| Protected | No (Unprotected cell – use with proper safety measures) |
| Cycle Life | ~300+ charge cycles |
| Diameter | 21.2mm |
| Length | 70.0mm |
| Weight | ~70g |
Applications
The Samsung 45T is perfect for high-performance setups across a variety of industries, including:
🔋 Electric Vehicles & E-Bikes – Ideal for torque-heavy applications with rapid discharge needs.
🔋 Battery Packs – A go-to choice for high-drain custom packs and energy storage projects.
🔋 Power Tools – Supports peak demand in professional-grade cordless equipment.
🔋 RC Vehicles & Drones – Provides stable high current for fast and agile flight performance.
🔋 High-Performance Flashlights – Powers tactical and professional-grade LED torches.
🔋 Portable Power Systems – Suitable for off-grid setups and mobile energy units.
Safety Guidelines & Warnings
⚠️ IMPORTANT SAFETY NOTICE ⚠️
Lithium-ion batteries demand responsible handling to avoid serious injury or property damage.
General Safety Guidelines
✔ Only use if you are experienced with lithium-ion battery safety.
✔ Charge on a fireproof surface—never leave batteries unattended while charging.
✔ Use a charger specifically designed for lithium-ion cells.
✔ Store batteries in a plastic case—never loose in pockets or bags.
✔ Keep away from conductive objects (keys, coins, tools) to prevent short circuits.
✔ Operate strictly within the specifications listed.
✔ Sellers must communicate all safety precautions to end-users.
🚫 Prohibited Uses & Handling
⛔ DO NOT use in e-cigarettes, vape pens, or similar devices.
⛔ DO NOT mix different battery types or age groups.
⛔ DO NOT short circuit, crush, puncture, or incinerate.
⛔ DO NOT use if the wrapper or insulation is damaged.
⛔ DO NOT overcharge or over-discharge.
⛔ DO NOT expose to liquids, fire, or high temperatures.
⛔ DO NOT solder directly—only spot weld for pack assembly.
⚠ User Responsibility & Risk Acknowledgment
Use of the Samsung 45T 21700 Battery is at your own risk.
By purchasing, you agree to follow all safety protocols outlined above.
Improper use may lead to fire, explosion, injury, or death.
You acknowledge that this is a high-drain cell requiring expert-level handling and setup.