Samsung 50S – 21700 – 5000mAh 25A

Descrição

Samsung 50S – 21700 – 5000mAh 25A
Grade A :

Lote novo,

código do lote na lata ”  ” , no Invólucro ” ”

código do lote na lata ”  ” , no Invólucro ” ”

código do lote na lata ”  ” , no Invólucro ” ”

A melhor célula para equipamentos que exigem alta capacidade (Ah) com boa descarga de corrente continua(A), é uma excelente escolha para veículos elétricos portáteis como os skates, bikes, pranchas entre outros veículos elétricos e equipamentos como lanternas, pack de bateria para nobreak, carrinhos de criança etc.

Modelo: 21700 50S
Tamanho: 21700
Capacidade nominal: 4800 a 5100mAh
Tensão nominal: 3.6V
Tensão max de carga: 4.2V
Máxima descarga continua: 20A (recomendado) a 25A
Máxima descarga picos: 35A

RESISTENCIA INTERNA: (a medir)

Vídeo canal youtube medindo Resistência Interna https://www.youtube.com/watch?v=xca8ogCzBSY

Nominal specifications (*1)
Item Specification
Standard
discharge capacity
Typ. 5,000mAh
-Charge: 0.5C(2.5A), 4.20V, 0.05C(250mA) cut-off @ RT
-Discharge: 0.2C(1A), 2.5V cut-off @ RT
*1C=5.000mA
Rated discharge capacity
Min. 4,800mAh
-Charge:1.2C(6A), 4.20V, 0.02C(100mA)cut-off @RT
-Discharge: 10A, 2.5V cut-off @ RT
Nominal voltage 3.6V
Standard charge CCCV, 2.5A, 4.20 V, 250mA cut-off
Rated charge CCCV, 6A, 4.20 V, 100mA cut-off
Charging time Standard charge : 150min / 250mA cut-off(@ RT)
Rated charge: 100min / 100mA cut-off(@ RT)
Max. continuous discharge
(Surface temperature)
25A(Without temperature cut)
45A(With 80℃ temperature cut)
Max. charge current 10A (for step charge)
6A (continuous charge)
Discharge cut-off voltage 2.5V (End of discharge)
Cycle life
① Capacity ≥ 2,940mAh @ after 250cycles
(60% of the standard capacity @ RT)
– Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT
– Discharge: 25A , 2.5V cut-off @ RT
② Capacity ≥ 2,940mAh @ after 100cycles
(60% of the standard capacity @ RT)
– Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT
– Discharge: 45A, 2.5V cut-off
(80℃ cut-off, re-discharge release < 50℃) @ RT
-SAMSUNG SDI Confidential Proprietary –
Spec. No. INR21700-50S Version No. 0.2
– 3/23 –
Retention characteristics
Capacity recovery(after the storage) ≥ 4,320 mAh
(90% of the rated capacity @ RT)
– Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT
– Storage : 30 days (@ 60℃)
– Discharge : 10A , 2.5V cut-off @ RT
Cell weight 72.0g max
Cell dimension
Height : Max 70.62mm
Diameter : Max 21.25mm
Operating temperature
(Ambient)
Charge : 0 to 60℃
Discharge: -20 to 60℃
Operating temperature(*2)
(Surface)
Charge : 0 to 60℃
(recommended recharge release < 45℃)
Discharge: -20 to 80℃
(must re-discharge release < 60℃)
Operating temperature
(For safety certificate)
Charge : -10 to 60℃

Recovery 90% after
storage(*3)
1 year 0~25℃
3 months 0~45℃
1 month 0~60℃

Note (*¹): Protection function of the battery pack should be set within the specified
charge, discharge and temperature range in Cell Specification.
Note (*2): Discharge OTP(over temp. protection) should not be over 80℃ of temperature.
Protection set should be based on the location of the cell surface with the
highest temp increase part of the battery pack.
Note (*3): If Cell is kept as ex-factory status (30% of charge),
the capacity recovery rate shall be more than 90%.

Alguns dados e orientações importantes estão nas fotos.

Teste de Carga-Descarga

5153 mAh usando no modo Normal Test com 300mA
5126 mAh usando no modo Normal Test com 300mA
4986 mAh usando no modo Normal Test com 500mA

Alguns dados e orientações importantes estão nas fotos.

Capacidade: 5000mAh
Tensão Nominal 3,6 V – 3,7 V
Tensão de terminação do ciclo de carregamento 4,20V ± 0,05V
Corrente de descarga máxima: 35A
Não descarregue mais fundo que 2,5V
Mais piscina: topo plano
Química: Li-íon
Circuito de proteção: Sem
Diâmetro: 21,25mm
Altura: 70.62mm
Peso: 72,7g

Qualquer dúvida entre em contato pelo Whatsapp.