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[Grade A, Brand New Quality] EVE original grade A, brand new MB31 cells, with intact QR, ready for assembly into high-voltage systems.
[Real Capacity 330Ah] Nomial capacity 314Ah, actual capacity 330Ah, higher energy density, compact size.
[Free Accessories] Provide all necessary accessories for DIY batteries, including screws, busbars, epoxy plates and other accessories.
[Already Matched] All cells have consistent voltage, internal resistance, and capacity, allowing for direct assembly without the need for balancing.
[Original Test Report] With the original test report, all battery cell test data is traceable, capacity range 330.0011-332.9999Ah, internal resistance range 0.1702–0.1836 mΩ, voltage range 3.2650-3.2678V
[8000 Cycles] At 25 ℃, 10%-90% humidity, the battery is subjected to a pressure of 300 kgf and a charge and discharge power of 0.5P. After 8000 cycles, the actual remaining capacity is greater than 70% (SOH ≥ 70%).
Descripción
xReseñas de las celdas Wistek EVE MB31 Lifepo4 - @Easypowerwall
Suministro de celdas LiFePO4 prismáticas nuevas y originales de grado A de EVE
Perno M6 simple
La celda de la batería está soldada con un solo perno M6, lo cual resulta práctico para baterías de bricolaje. Se recomienda usar un torque inferior a 6 Nm para el montaje.
Grado A, calidad completamente nueva.
Las celdas de la batería tienen el informe de prueba original, el código QR está intacto y se pueden rastrear todos los datos de prueba de las celdas de la batería.
Accesorios gratis
La celda de batería viene con los accesorios necesarios, barras colectoras, tornillos y láminas de epoxi para ensamblar el paquete de baterías.
Buenas condiciones de embalaje
Las celdas de la batería se embalan en cajas de cartón que cumplen con los requisitos de mercancías peligrosas, con cinta adhesiva transparente en el exterior para evitar que el agua de lluvia se filtre en ellas. Se utilizan esponjas personalizadas para fijar las celdas, protegiéndolas eficazmente de daños por impacto.
Amplias aplicaciones
Especificación
x|
Model |
EVE MB31 |
|
Nominal Capacity |
314Ah(1004.8Wh) |
|
Norminal Voltage |
3.2V |
|
Number of Cycles |
≥8000cycles@70%SOH |
|
Charging Voltage |
4.2V |
|
Maxinum Charge Current |
157A |
|
Maxinum Discharge Current |
157A |
|
Temperature Range(discharge) |
-30°C~66°C |
|
Connection Screw |
Single M6 |
|
Warranty |
5 years |
|
Weight |
5.6KG |
|
Dimensions(W*T*H) |
173*72*208mm |
Preguntas más frecuentes
x● Is the battery cell of brand new A-grade quality?
Yes
● How do I distinguish between Grade A and Grade B batteries?
1. Verify that the QR code is original and not reprinted.
2. Check for the original factory inspection report.
3. Determine the difference in voltage, internal resistance, and capacity between cells from the same batch as reported in the original factory inspection report.
● Do I need to balance the battery cells after receiving them?
No. We balance the battery cells before shipping, so you can assemble them directly.
● Why is the internal resistance I measured much higher than the one in the datasheet?
The internal resistance listed in the datasheet is the resistance without the studs soldered to the battery. Your measurement likely includes the resistance of the M6 studs, so your value is slightly higher.
Of course, the battery cell's internal resistance is also affected by the cell's charge level, humidity, and the test equipment.
Customer Reviews
Based on 5 reviews
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M
all is perfect! thank you very much
K
very fast delivery and very good comunication
L
Good quality
S
I received in cell mb31 excellent quality ,store recommend.
A
very fast delivery and very good comunication
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