21700 5000mAh 3.7V Lithium-Ion Rechargeable Battery
SpecificationsBattery Type: Lithium-Ion (Li-ion)Capacity: 5000mAhVoltage: 3.7V (Nominal), 4.2V (Full Charge)Energy: 18.5WhMax Continuous Discharge Current: 9.8AChemistry: INR (Lithium Nickel Manganese Cobalt Oxide - NMC)Protection Circuit: UnprotectedRechargeable: YesCycle Life: 500+ charge cyclesDimensions: 21mm (Diameter) × 70mm (Length)Weight: Approximately 70gManufacturer: Samsung SDIApplications1. UV Flashlights & LED Torches – Provides long-lasting, high-power output2. Power Banks & Backup Power Systems – Reliable energy storage for portable charging3. E-Bikes & Electric Scooters – Used in battery packs for extended riding4. High-Performance Electronics – Suitable for drones, robotics, and industrial devices5. DIY Battery Packs & Solar Applications – Customizable power solutions⚠ Safety Note: Use with proper battery holders and protection circuits. Do not overcharge, short-circuit, or expose to extreme temperatures.DescriptionThe 21700 is a high-performance 21700-size lithium-ion rechargeable battery with a massive 5000mAh capacity, making it an excellent choice for high-drain applications. Its INR (Lithium Nickel Manganese Cobalt Oxide) chemistry offers a balance between capacity, power, and safety.Designed for UV flashlights, power tools, e-bikes, and high-drain electronics, this battery provides a stable 3.7V nominal voltage with a high energy density. It is unprotected, meaning it does not have built-in safety circuits, so users should use a Battery Management System (BMS) when required.
Goo Gadget
Category List
All products
Lifepo4 Battery
Bike/Car Self-Start LiFePO4 Battery
Buck/Boost
Amplifier
Tools
Spot Welding
BMS
Humidifier
PowerBank
Fan
Charger
Battery
Motor & Propeller
Soldering KIT
Connector
Specifications
Battery Type: Lithium-Ion (Li-ion)
Capacity: 5000mAh
Voltage: 3.7V (Nominal), 4.2V (Full Charge)
Energy: 18.5Wh
Max Continuous Discharge Current: 9.8A
Chemistry: INR (Lithium Nickel Manganese Cobalt Oxide - NMC)
Protection Circuit: Unprotected
Rechargeable: Yes
Cycle Life: 500+ charge cycles
Dimensions: 21mm (Diameter) × 70mm (Length)
Weight: Approximately 70g
Manufacturer: Samsung SDI
Applications
1. UV Flashlights & LED Torches – Provides long-lasting, high-power output
2. Power Banks & Backup Power Systems – Reliable energy storage for portable charging
3. E-Bikes & Electric Scooters – Used in battery packs for extended riding
4. High-Performance Electronics – Suitable for drones, robotics, and industrial devices
5. DIY Battery Packs & Solar Applications – Customizable power solutions
⚠ Safety Note: Use with proper battery holders and protection circuits. Do not overcharge, short-circuit, or expose to extreme temperatures.
Description
The 21700 is a high-performance 21700-size lithium-ion rechargeable battery with a massive 5000mAh capacity, making it an excellent choice for high-drain applications. Its INR (Lithium Nickel Manganese Cobalt Oxide) chemistry offers a balance between capacity, power, and safety.
Designed for UV flashlights, power tools, e-bikes, and high-drain electronics, this battery provides a stable 3.7V nominal voltage with a high energy density. It is unprotected, meaning it does not have built-in safety circuits, so users should use a Battery Management System (BMS) when required.
Battery Type: Lithium-Ion (Li-ion)
Capacity: 5000mAh
Voltage: 3.7V (Nominal), 4.2V (Full Charge)
Energy: 18.5Wh
Max Continuous Discharge Current: 9.8A
Chemistry: INR (Lithium Nickel Manganese Cobalt Oxide - NMC)
Protection Circuit: Unprotected
Rechargeable: Yes
Cycle Life: 500+ charge cycles
Dimensions: 21mm (Diameter) × 70mm (Length)
Weight: Approximately 70g
Manufacturer: Samsung SDI
Applications
1. UV Flashlights & LED Torches – Provides long-lasting, high-power output
2. Power Banks & Backup Power Systems – Reliable energy storage for portable charging
3. E-Bikes & Electric Scooters – Used in battery packs for extended riding
4. High-Performance Electronics – Suitable for drones, robotics, and industrial devices
5. DIY Battery Packs & Solar Applications – Customizable power solutions
⚠ Safety Note: Use with proper battery holders and protection circuits. Do not overcharge, short-circuit, or expose to extreme temperatures.
Description
The 21700 is a high-performance 21700-size lithium-ion rechargeable battery with a massive 5000mAh capacity, making it an excellent choice for high-drain applications. Its INR (Lithium Nickel Manganese Cobalt Oxide) chemistry offers a balance between capacity, power, and safety.
Designed for UV flashlights, power tools, e-bikes, and high-drain electronics, this battery provides a stable 3.7V nominal voltage with a high energy density. It is unprotected, meaning it does not have built-in safety circuits, so users should use a Battery Management System (BMS) when required.
21700 5000mAh 3.7V Lithium-Ion Rechargeable Battery
Out of stock500 BDT650 BDTSave 150 BDT
Total sold : 4
No more items remaining!
Specifications
Battery Type: Lithium-Ion (Li-ion)
Capacity: 5000mAh
Voltage: 3.7V (Nominal), 4.2V (Full Charge)
Energy: 18.5Wh
Max Continuous Discharge Current: 9.8A
Chemistry: INR (Lithium Nickel Manganese Cobalt Oxide - NMC)
Protection Circuit: Unprotected
Rechargeable: Yes
Cycle Life: 500+ charge cycles
Dimensions: 21mm (Diameter) × 70mm (Length)
Weight: Approximately 70g
Manufacturer: Samsung SDI
Applications
1. UV Flashlights & LED Torches – Provides long-lasting, high-power output
2. Power Banks & Backup Power Systems – Reliable energy storage for portable charging
3. E-Bikes & Electric Scooters – Used in battery packs for extended riding
4. High-Performance Electronics – Suitable for drones, robotics, and industrial devices
5. DIY Battery Packs & Solar Applications – Customizable power solutions
⚠ Safety Note: Use with proper battery holders and protection circuits. Do not overcharge, short-circuit, or expose to extreme temperatures.
Description
The 21700 is a high-performance 21700-size lithium-ion rechargeable battery with a massive 5000mAh capacity, making it an excellent choice for high-drain applications. Its INR (Lithium Nickel Manganese Cobalt Oxide) chemistry offers a balance between capacity, power, and safety.
Designed for UV flashlights, power tools, e-bikes, and high-drain electronics, this battery provides a stable 3.7V nominal voltage with a high energy density. It is unprotected, meaning it does not have built-in safety circuits, so users should use a Battery Management System (BMS) when required.
Battery Type: Lithium-Ion (Li-ion)
Capacity: 5000mAh
Voltage: 3.7V (Nominal), 4.2V (Full Charge)
Energy: 18.5Wh
Max Continuous Discharge Current: 9.8A
Chemistry: INR (Lithium Nickel Manganese Cobalt Oxide - NMC)
Protection Circuit: Unprotected
Rechargeable: Yes
Cycle Life: 500+ charge cycles
Dimensions: 21mm (Diameter) × 70mm (Length)
Weight: Approximately 70g
Manufacturer: Samsung SDI
Applications
1. UV Flashlights & LED Torches – Provides long-lasting, high-power output
2. Power Banks & Backup Power Systems – Reliable energy storage for portable charging
3. E-Bikes & Electric Scooters – Used in battery packs for extended riding
4. High-Performance Electronics – Suitable for drones, robotics, and industrial devices
5. DIY Battery Packs & Solar Applications – Customizable power solutions
⚠ Safety Note: Use with proper battery holders and protection circuits. Do not overcharge, short-circuit, or expose to extreme temperatures.
Description
The 21700 is a high-performance 21700-size lithium-ion rechargeable battery with a massive 5000mAh capacity, making it an excellent choice for high-drain applications. Its INR (Lithium Nickel Manganese Cobalt Oxide) chemistry offers a balance between capacity, power, and safety.
Designed for UV flashlights, power tools, e-bikes, and high-drain electronics, this battery provides a stable 3.7V nominal voltage with a high energy density. It is unprotected, meaning it does not have built-in safety circuits, so users should use a Battery Management System (BMS) when required.