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Blue cylindrical lithium-ion battery with silver ends, 68.40 by 18.90 mm

Cameron & Co

Cameron & Co DS-CS-THL400XL 3.7V 3400mAh Li-ion battery Blue

SKU CH-CC8R-E7G4P

Replacement Li-ion cell for Theradome LH40, LH80 and LH80 Pro helmets, rated at 3.7 V and 3400 mAh

  • Product typeHome Electronics Battery
  • 7 V 3400 mAh capacity powers your Theradome helmet longer
  • Li-ion chemistry delivers reliable energy for hair-growth sessions
  • Fits LH40, LH80 and LH80 Pro models without modification
  • Compact 68.40 × 18.90 × 18.90 mm size slides into the device easily
  • Blue finish matches the original equipment look

Replacement Battery for Theradome LH40 LH80 Pro

This Cameron & Co DS-CS-THL400XL lithium-ion cell replaces the original power pack in Theradome LH40, LH80 and LH80 Pro hair-growth helmets. It delivers 3.7 V and 3400 mAh capacity in a blue 18650 form factor. The pack is brand new and built to 100 % OEM compatibility. Users who need a fresh energy source for daily treatment sessions will find it a direct fit.

Upgrading from a Worn Original Cell

When the factory-fitted battery no longer holds enough charge for a full cycle, this 3.4 Ah unit restores the helmet’s runtime to its original level. The jump is worth it if the device now shuts down mid-session or requires constant tethering to a charger. It does not increase the helmet’s output power; it simply returns the portable freedom the unit was designed for. Buyers who want more capacity than 3400 mAh cannot be served by this model.

Simple Snap-In Install

The cell slides into the helmet’s dedicated battery compartment and connects via the existing 1S1P wiring harness. No soldering or tools are required beyond opening the hatch. The most common issue is forgetting to align the polarity markers on the connector, which prevents the helmet from powering on. A second pitfall is leaving the old seal uncompressed, which can let moisture reach the contacts. Once seated correctly, the pack is ready for immediate use.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 77% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameCameron Sino
Model nameDS-CS-THL400XL
Product typeHome Electronics Battery

Questions about this item

What are the exact dimensions of the DS-CS-THL400XL battery so I can confirm it fits my Theradome helmet?

The battery measures 68.40 x 18.90 x 18.90 mm, matching the original INR18650-1S1P cell used in the LH40, LH80 and LH80 Pro helmets.

How do I install this replacement battery in my Theradome device, and what is the common mistake to avoid?

Open the helmet's battery compartment, disconnect the old pack, and connect the new DS-CS-THL400XL observing the correct polarity; the most frequent error is reversing the connector orientation.

When will the 3.7V 3400mAh lithium-ion cell need replacing under regular use?

The 3.4 Ah pack delivers 12.58 Wh per charge; capacity gradually fades after hundreds of cycles, so plan a replacement when treatment time per charge drops noticeably.

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