NIELFTOR 21700 5000mAh Flat Top LiIon Aku, Laetav Droonide, Taskulampide, Tööriistade jaoks
Meet the NIELFTOR INR21700 3.7V 5000mAh Rechargeable Flat Top Battery, a high-drain Li-ion cell designed for drones, LED flashlights, power tools, and industrial equipment. This 21700 cell delivers a nominal 3.7V and up to 5000mAh capacity, providing longer run times between charges. The flat-top design ensures broad device compatibility, while the 3C 15A discharge capability powers motors and bright LEDs reliably under load. With an internal resistance of ≤25 mΩ and a weight of about 76 g, it offers stable performance in demanding applications. Real capacity typically ranges from 4900 to 5000 mAh, and the cycle life exceeds 1000 cycles, making it a durable choice for frequent use. Originating in Mainland China, this battery is CE certified for EU markets. It’s well suited for drones, power tools, and industrial equipment, delivering dependable power where it matters most. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty. Providing quality and trusted service since 2002 at intercyprus.com.
Benefits & Tips
- High-capacity 5000mAh cell provides longer run times for drones, power tools, and LED flashlights.
- Flat Top design enhances compatibility with a wide range of devices and mounting options.
- Supports up to 3C (15A) continuous discharge for demanding loads while maintaining reliable performance.
- Reuse-friendly and environmentally mindful choice with recycling considerations.
- Tips: Use a proper Li-ion charger, avoid deep discharging below 2.5V, and never mix with other chemistries or depleted cells.
Product specifications
- Battery Type: 21700 Li-ion
- Model/Designation: INR21700-50F
- Nominal Voltage: 3.7 V
- Capacity: 5000 mAh (real capacity 4900–5000 mAh)
- Internal Resistance: ≤25 mΩ
- Discharge Current: 3C (up to 15 A)
- Charge Cutoff Voltage: 4.2 V
- Discharge Cutoff Voltage: 2.5 V
- Size/Format: 21700, Flat Top
- Weight: ~76 g
- Cycle Life: >1000 cycles
- Origin: Mainland China
- Certification: CE
- Chemistry: Li-Ion
Package includes:
- 1 x NIELFTOR INR21700 3.7V 5000mAh Rechargeable Flat Top Battery
Warnings/Reminders
- Use with a compatible Li-ion charger designed for 21700 cells; do not exceed 4.2V during charging.
- Avoid discharging below 2.5V and don’t subject to crushing, puncturing, or short-circuit.
- Store in a cool, dry place away from heat sources and out of reach of children.
- Do not mix with other chemistries or used cells; recycle responsibly according to local regulations.