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21700 Celle cilindriche

INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery

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INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery

Marchio:	Ampace
Numero di modello:	21700A (JP40)
MOQ:	1
prezzo:	$1.89
Dettagli dell'imballaggio:	130 pezzi/scatola di cartone
Condizioni di pagamento:	T/T

Informazione dettagliata

Descrizione di prodotto

Informazione dettagliata

Luogo di origine:

Certificazione:

UN38.3/CE/UL/IEC62133/KC/BIS

Documento:

Capacità di alimentazione:

500.000/mese

Descrizione di prodotto

INR21700JP40 Cylindrical Cells 3.7V 4000mAh 45A Discharge Lithium Ion Battery

The 21700A JP40 Battery is a high-performance lithium-ion rechargeable power cell designed for long-lasting energy delivery and reliable performance. With a 4000mAh capacity and 40A maximum continuous discharge rate, this battery is ideal for medium- to high-demand applications, offering stable output and extended usage time.

Cell Characteristics

Specification	Value
Capacity	Typical 4000mAh (14.8Wh) Minimum 3900mAh (14.43Wh)
Cell Voltage	Nominal 3.7V Charge 4.2V Discharge 2.5V
Continuous Charge Current	Standard 2A Maximum 8A
Continuous Discharge Current	Maximum 45A
Ambient Temperature	Charge -10～60℃ Discharge -30～75℃
Impedance	≤4mΩ
Weight	70g
Dimension	70.42mm(Max) * 21.31mm(Max)
Cycle life	400cycle(60%)

Key Features

High Capacity: 4000mAh provides extended runtime before requiring recharge
High Discharge Rate: 45A continuous discharge, ideal for medium-to-high-drain applications
Lithium-Ion Chemistry: Provides stability, efficiency, and low internal resistance
Rechargeable & Long-Lasting: Supports multiple charge cycles with minimal degradation
Output Stability: Stable voltage curve during discharge ensures continuous power output
Compact 21700 Size: Universally compatible with a wide range of electronic devices

Applications

Flashlights: Ideal for high-lumen LED torches requiring consistent power
Medical Devices: Reliable power source for essential equipment
Power Banks & Backup Systems: Supports portable energy solutions
Lightweight Power Equipment: Auxiliary power for robotic vacuums, electric bicycles, scooters, and fishing boats
Power Tools: High burst power for drills, angle grinders, electric saws, and other high-current tools

Warning

Lithium-ion batteries require proper handling and knowledge to ensure safe operation
Failure to follow safety guidelines may result in fire, explosion, serious injury, or property damage
Only purchase and use if you fully understand lithium-ion battery safety
Never leave a battery unattended while charging
Keep away from animals and children
Prevent contact with metal objects (keys, coins, tools) to avoid short circuits
Inspect wraps and insulators regularly for damage - repair or dispose of damaged batteries immediately
Resellers must pass these warnings to customers
Typical cycle life of 400 cycles before noticeable capacity reduction - recycle at end of life
Do not crush, incinerate, or modify batteries
Only use within manufacturer specifications

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Indirizzo

N. 8101, edificio 2, Parco industriale di Ruibenbao, distretto di Ping'an, città di Shenzhen

Telefono

86-136-0026-8760

layson.chang@haiyuenrg.com

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