Overview
The CHASING 700Wh Spare Battery is a high-capacity power module designed for the CHASING M2 Pro Max underwater ROV. It delivers more than double the runtime of the standard 300Wh pack without reducing the M2 Pro Max’s maximum navigating speed. Built-in multi-level protections (over-charge, over-discharge, short-circuit, over-temperature, over-current) ensure safe, reliable operation for professional missions.
Key Features
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700Wh class capacity (rated 725.76Wh) for significantly extended operations.
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No speed reduction on the M2 Pro Max while using the larger pack.
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Comprehensive protection: over-charge, over-discharge, short-circuit, over-temperature, and over-current.
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Li-ion chemistry with clear operating, charging, and storage temperature windows.
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Purpose-built mechanical design for quick swap on the M2 Pro Max.
Specifications
| Parameter | Value |
|---|---|
| Rated Capacity | 725.76Wh |
| Rated Voltage | 21.6V |
| Charging Voltage | 25.2V |
| Max. Charging Current | 15A |
| Charging Time | ~6.5 h @ 25.2V, 8A, 25°C |
| Weight | ≈ 5030 g |
| Dimensions | 120 × 367 mm |
| Standard Discharging Temperature | –10°C to 45°C |
| Standard Charging Temperature | 0°C to 45°C |
| Standard Storage Temperature | –20°C to 60°C |
| Cell Chemistry | Li-ion |
| Protection Functions | Over-charge, over-discharge, short-circuit, over-temperature, over-current |
Compatibility
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CHASING M2 Pro Max underwater ROV (spare / replacement high-capacity battery).
Safety & Handling
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Do not perform high-voltage charging.
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Do not use or charge at high temperature.
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Keep away from fire; avoid strong impact.
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Follow the specified temperature ranges for charging, operation, and storage.
What’s Included
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1 × CHASING 700Wh Spare Battery for M2 Pro Max.
Details



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