SUBNOX Replacement Battery — 21700 USB-C Li-ion
SUBNOX Replacement Battery — 21700 USB-C Li-ion
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Spare or replacement battery for the SUB400LEP
The SUB400LEP-BAT is a compact rechargeable Li-ion 21700 cell sized specifically for the SUB400LEP LEP narrow-beam dive torch. It features an integrated USB-C charging port directly on the cell — no separate charger or dock required.
Important: Battery only. Charging cable and torch not included.
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Product Details
Specifications
Type: 21700 Li-ion (rechargeable)
Voltage: 3.7V
Capacity: 18.5Wh
Charging: Built-in USB-C port
Compatibility: SUBNOX SUB400LEP only
Features
Why carry a spare
- Immediate hot-swap during multi-dive days
- Replaces an aging cell that no longer holds full charge
- Insurance against battery failure on a remote trip
Packing
FAQs
Use Divevolk In 5 Steps
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➀ Remove Your Screen Protector
For the best touchscreen performance underwater, remove any existing screen protector from your phone.
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➁ Attach The Adapter
Slide your phone into the waterroof housing, ensuring it is properly aligned for a secure fit.
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➂ Insert & Seal The Housing
Lock the housing tightly to create a watertight seal, preventing any water from entering.
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➃ Fasten The Housing Clamps
Tighten the top locks or clasps to reinforce waterproofing and ensure the case stays firmly closed during your dive.
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➄ Dive & Capture Moments
Your phone is now fully functional underwater! Take crystal-clear photos, record high-quality videos, and even live stream your dive.