21700 6350mAh High Capacity Rechargeable Lithium Ion Battery Cell 3.5V 22.23Wh for Battery Pack

Alta capacità 21700 Rechargeable Lithium Ion Battery Cell

Questo 21700 cylindrical lithium ion battery cell is designed for battery pack integration and customized rechargeable battery solutions. With a rated capacity of 6350mAh and a nominal voltage of 3.5V, it provides 22.23Wh of rated energy in a compact cylindrical format.

The cell features a maximum discharge current of 12.7A and a maximum charging current of 6.35A under specified operating conditions. Its low AC internal resistance of no more than 8mΩ supports electrical performance evaluation for battery pack development.

With a maximum diameter of 21.40mm and maximum height of 70.75mm, this cell is suitable for battery pack designers and manufacturers looking for a high-capacity cylindrical lithium ion cell.

Caratteristiche principali del prodotto

  • 6350Capacità nominale in mAh

  • 6500Capacità tipica mAh

  • 3.5V tensione nominale

  • 22.23Wh di energia nominale

  • 12.7A maximum discharge current

  • 6.35A maximum charging current

  • AC internal resistance ≤8mΩ

  • 21700 formato cella cilindrica

  • Temperatura di carica: 0da °C a 45 °C

  • Temperatura di scarico: -20da °C a 60 °C

Designed for B2B Battery Projects

This rechargeable lithium ion cell can be considered for customized battery pack development, portable power equipment and industrial battery applications. Final suitability should be evaluated according to the required voltage, attuale, thermal management and battery protection design.

Contact us with your project specifications, estimated order quantity and sample requirements.

Specifiche tecniche

Articolo Specifica
Tipo di batteria Rechargeable Lithium Ion Cell
Formato cella 21700 Cilindrico
Capacità nominale 6350mAh
Capacità tipica 6500mAh
Tensione nominale 3.5V
Energia nominale 22.23Wh
Energia tipica 22.75Wh
Limited Charging Voltage 4.20V
Maximum Charging Voltage Limit 4.25V
Corrente di carica standard 3175mA
Corrente di carica massima 6350mA
Corrente di scarica standard 1270mA
Corrente di scarica massima 12700mA
Discharge Cutoff Voltage (Test) 2.50V
Resistenza interna CA ≤8mΩ
Diametro massimo 21.40mm
Altezza massima 70.75mm
Peso massimo 72G
Temperatura di carica 0da °C a 45 °C
Temperatura di scarico -20da °C a 60 °C
Long-Term Storage Voltage 3.40V to 3.60V

Discharge Rate Performance

Tasso di scarico Relative Capacity
1C 100%
2C ≥95%
3C ≥90%

Discharge Performance at Different Temperatures

Temperatura Relative Capacity
-20°C ≥80%
-10°C ≥82%
0°C ≥85%
25°C 100%
45°C ≥90%
60°C ≥95%

Cycle Performance

Articolo Specifica
Test Cycle 601st Cycle
Mantenimento della capacità ≥80%
Corrente di carica 3.175UN
Discharging Current 1.27UN
Discharge Cutoff Voltage 2.5V

Nota: The above cycle performance is based on the test conditions specified in the product specification. Actual service life depends on operating conditions and battery pack design.

Temperature Management

  • Maximum cell surface temperature during charging: 55°C.

  • Maximum cell surface temperature during discharging: 75°C.

  • Follow the specified cooling requirements before recharging or discharging after reaching the temperature limits.

Safety Test References

The specification references GB 31241 and UL 1642 test methods. These references should not be interpreted as proof of product certification. Applicable certification documents and test reports should be confirmed separately.

Prodotti correlati

Blog correlati

Alta capacità 21700 Rechargeable Lithium Ion Battery Cell Questo 21700 cylindrical lithium ion battery cell is designed for battery pack integration and customized rechargeable battery solutions. With a rated capacity of 6350mAh and a nominal voltage of 3.5V, it provides 22.23Wh of rated energy in a compact cylindrical format. The cell features a maximum discharge current of 12.7A and a maximum charging current of 6.35A under specified operating conditions. Its low AC internal resistance of no more than 8mΩ supports electrical performance evaluation for battery pack development. With a maximum diameter of 21.40mm and maximum height of 70.75mm, this cell is suitable for battery pack designers and manufacturers looking for a high-capacity cylindrical lithium ion cell. Caratteristiche principali del prodotto
  • 6350Capacità nominale in mAh
  • 6500Capacità tipica mAh
  • 3.5V tensione nominale
  • 22.23Wh di energia nominale
  • 12.7A maximum discharge current
  • 6.35A maximum charging current
  • AC internal resistance ≤8mΩ
  • 21700 formato cella cilindrica
  • Temperatura di carica: 0da °C a 45 °C
  • Temperatura di scarico: -20da °C a 60 °C
Designed for B2B Battery Projects This rechargeable lithium ion cell can be considered for customized battery pack development, portable power equipment and industrial battery applications. Final suitability should be evaluated according to the required voltage, attuale, thermal management and battery protection design. Contact us with your project specifications, estimated order quantity and sample requirements.

1. High Rated Capacity

With a rated capacity of 6350mAh and typical capacity of 6500mAh, this cell provides a high-capacity option for cylindrical battery pack designs.

2. Compact Cylindrical Format

IL 21700 format supports space-conscious battery pack configurations and customized assembly projects.

3. Elevata capacità di scarico

Maximum discharge current reaches 12700mA under the specified conditions, supporting battery designs with higher current requirements.

4. Efficient Charging Capability

The maximum charging current is 6350mA, subject to the specified charging conditions and temperature limits.

5. Bassa resistenza interna

AC internal resistance is specified at no more than 8mΩ at 1000Hz.

6. Rate Discharge Performance

The specification reports relative capacity of at least 95% at 2C and at least 90% at 3C under its stated test method.

7. Ampio intervallo di temperature di scarico

The specified discharge operating temperature ranges from -20°C to 60°C.

8. Cycle Performance

Under the specified cycle test conditions, the discharge capacity retention at the 601st cycle is at least 80%.

Prodotti correlati

YiFang è specializzato in batterie, caricabatterie, pacchi batteria, e soluzioni energetiche, compresi gli ioni di litio, LiMn (IMR), NiMH, e batterie LiFePO₄.

SÌ, offriamo personalizzazione flessibile OEM e ODM, compresa la progettazione del prodotto, specifiche, e l'imballaggio per soddisfare le vostre precise esigenze.

I nostri prodotti sono ampiamente utilizzati nelle sigarette elettroniche, UAV, scooter in equilibrio, bici elettriche, apparecchiature elettroniche, giocattoli, torce elettriche, e altre applicazioni commerciali e industriali.

YiFang gestisce la propria fabbrica con linee di produzione automatizzate, produrre fino a 100,000 unità giornaliere, garantendo qualità costante e consegna puntuale.

Potete contattarci tramite il modulo di richiesta del nostro sito web, e-mail, o telefono. Il nostro team è pronto a fornire consulenza professionale e soluzioni personalizzate.

I nostri prodotti sono ampiamente utilizzati nelle sigarette elettroniche, UAV, scooter in equilibrio, bici elettriche, apparecchiature elettroniche, giocattoli, torce elettriche, e altre applicazioni commerciali e industriali.

I nostri prodotti sono ampiamente utilizzati nelle sigarette elettroniche, UAV, scooter in equilibrio, bici elettriche, apparecchiature elettroniche, giocattoli, torce elettriche, e altre applicazioni commerciali e industriali.

Forniamo una garanzia di 6-12 mesi, assistenza clienti reattiva, e copertura assicurativa globale per l'affidabilità a lungo termine e la tranquillità dei clienti.

Blog correlati

Scorri fino all'inizio

Lasciate un messaggio,ti contatteremo presto!