Mitsu battery for MSI GS63VR, GS73VR (BTY-M6J, BTY-U6J)

MITSU Laptop Battery - reliable power for your device

MITSU battery combines high-class technology, reliability, and care for the environment. Thanks to its solid build quality, you can extend the warranty on the cells free of charge - a benefit appreciated by hundreds of thousands of users across many European countries.

Why choose a MITSU battery?

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  ✅ Class A Tianneng cells - guarantee long lifespan and stable performance


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  ✅ Real capacity - no artificially inflated specifications


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  ✅ Low self-discharge rate - longer readiness for use


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  ✅ No memory effect - you can charge at any time without losing performance


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  ✅ Full compatibility - perfect fit for your laptop

Protection that safeguards you and your device

The MITSU battery is equipped with an intelligent protection system that guards against:

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  overheating


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  overcharging and deep discharge


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  overvoltage


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  current overload


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  short circuit

This ensures your laptop is effectively protected from potential power-related hazards.

Warranty and support

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  24-month warranty - for the housing and electronics


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  12-month warranty - for the cells


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  Additional 6 months - free of charge after product registration (details in the Warranty Card)

Manufactured to standards and environmentally responsible

A hallmark of quality is the 6-stage quality control , ensuring reliability and safe operation. All MITSU batteries meet the requirements of CE and RoHS directives, and are manufactured in facilities certified according to the ISO 9001 standard.

This gives you confidence that you are receiving a durable, proven, and environmentally friendly product.