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Discover the Power of EVE MB30 and MB31 Batteries: A Comprehensive Review

Uncover the exceptional quality and performance of the brand-new EVE MB30 and MB31 batteries from QSO. From unpacking to charging, learn all about these cutting-edge cells and how they can revolutionize your energy needs.

Unpacking and Quality Check

πŸ“¦Unpacking of four packages reveals cells with hexagon-shaped terminals.

πŸ”Overall outstanding quality and appearance of the batteries.

πŸ”§Impressive quality with welded studs and aluminum welding on the terminals.

Charging Process and Specifications

πŸ”‹Cells compressed with 300kg force using plywood and clamps.

⚑Battery charged to 99.8% at 3.45 volts, with cut off at 15.3 amps.

πŸ”ŒFurther charging planned to reach full capacity at 3.65 volts.

Performance and Cycle Life

πŸ”„Self-discharge rate decreases from 3.5% to 3% per month.

πŸ”Different cycle life and state of health for MB30, MB31, and LF280k cells.

πŸ“‰LF280k with a cycle life of over 6,000 cycles but 70% state of health at the end.

Battery Management and Specifications

πŸ”Monitoring internal resistance and capacity for effective cell life management.

⚠️Criteria for cell usage based on internal resistance and capacity.

πŸ“ŠEstablishing a battery management system for optimal performance.

FAQ

What is the cycle life of MB30 cells?

MB30 cells have a cycle life of 10,000 cycles.

How should customers monitor battery performance?

Customers should monitor internal resistance and capacity.

What is the self-discharge rate of LF280k cells?

LF280k cells have a self-discharge rate of 3.5% per month in the first month.

Are MB31 cells more expensive than MB30 cells?

Prices for MB31 cells range around $65-$70, similar to MB30 cells.

How can users optimize the charging process for these batteries?

Charge the cells to 99.8% at 3.45 volts and plan further charging to reach full capacity at 3.65 volts.

What is the state of health of LF280k cells after 6,000 cycles?

LF280k cells have a state of health of 70% at the end of 6,000 cycles.

Is it necessary to compress the cells during the charging process?

Yes, cells should be compressed with 300kg force using plywood and clamps.

What are the key features of the battery management system?

Monitoring internal resistance and capacity for effective cell life management.

How can customers ensure optimal battery usage?

Avoid using cells if internal resistance exceeds 150% or capacity is less than 60%.

Where can customers find detailed specifications for these batteries?

Product specification sheets provide extensive information on the batteries.

Summary with Timestamps

πŸ” 2:23Unboxing of high-quality EV batteries from QSO delivered by Cath Pacific.
⚑ 4:56Battery testing of high-quality QSO cells with compression and precise charging process.
⚑ 8:36Battery cycle life specifications can be misleading, with longer usage resulting in lower state of health.
⚠️ 13:01Safety and performance parameters for lithium-ion battery cells.
πŸ” 16:01Detailed analysis of updated specifications for LF280k cells.

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