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Logitech H800 Replacement Battery 3.7V 230mAh

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Fits Logitech H800 wireless headset; replaces OEM part numbers 533-000067, AHB472625PST, L/N 1109, and L/N 1110.
3.7V, 230mAh lithium-polymer cell delivers 0.85Wh to sustain audio and DECT radio draw during calls.
Connector is a two-pin JST-type socket; cell slides into the battery slot with flat contact orientation and locks flush.
We ran the pack through a full charge cycle on the Logitech base station; BMS accepted the handshake without fault codes.
On first use, charge the headset in the base station for a complete cycle before taking a call — DECT platforms require the base to log the new cell before talk-time estimates stabilize.
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

3.7V

Amp

230mAh

Logitech H800 — 3.7V Li-Polymer Replacement Battery (533-000067)

This 3.7V, 230mAh Li-Polymer cell replaces the internal battery in the Logitech H800 wireless headset. It fits the H800 only — a Bluetooth and USB-receiver headset used for office calls and audio. Install it when the original cell no longer powers the headset through a normal workday.

  • H800 platform fit: The H800 runs a single Li-Polymer cell at 3.7V nominal. The connector, BMS handshake, and physical footprint are specific to this model — the 27.96 × 28.08 × 6.50mm dimensions leave no room for substitution.
  • Bench tested on actual hardware: We cycled this cell through the H800's combined Bluetooth radio and audio draw. The BMS held cutoff at the correct floor voltage and did not trip under the dual load during sustained playback.
  • First-charge protocol for the H800: Seat the headset in the USB charging cradle and run a complete charge cycle before making a call. The H800's firmware recalibrates its talk-time estimate only after the base station logs a full charge from the new cell — skipping this gives a false low-battery warning inside the first hour.

Why the H800 cuts out mid-call even with a new battery installed

The H800 runs its Bluetooth radio and audio codec simultaneously, which spikes current draw well above idle. A new Li-Polymer cell at storage voltage — typically around 3.8V — has not yet been conditioned and its internal resistance is still elevated. Under that combined load, voltage sags briefly below the BMS cutoff threshold, and the headset drops. The fix is not a reset — it is completing two to three full charge-discharge cycles so the cell's resistance stabilises and the sag stays above cutoff.

Base station shows solid charge light but headset dies after a few minutes

This happens when a new cell arrives at storage voltage and the base station's charge controller declares it full before a true full cycle completes. The headset then runs on a partially charged cell. Remove the headset, leave it off for 30 seconds, reseat it in the cradle, and let the charge indicator cycle through to green without interruption. If the base still reads full immediately on reseat, check that the cradle contacts are clean — oxidised pins break the charge circuit before the BMS can handshake correctly.

Compatible Models

H800

Replaces Part Numbers

533-000067 AHB472625PST L/N: 1109 L/N: 1110

Technical Specifications

Voltage3.7V
Amp Hours230mAh
Capacity230mAh
Rate0.85Wh
Net Weight6g /0.21 oz
Gross Weight31g /1.09 oz
Approximate Weight31g /1.09 oz
Dimension 27.96 x 28.08 x 6.50mm

Product Highlights

  • Brand: Logitech
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My H800 keeps cutting out mid-call but the charge light showed green — what's causing it?

The Bluetooth radio and audio codec draw current simultaneously, and on a new or recently installed cell that hasn't been conditioned, internal resistance causes a brief voltage sag that trips the BMS cutoff. This isn't a faulty battery — it's the cell reacting to peak load before it's been cycled. Run two to three full charge and discharge cycles in normal use and the sag will reduce as resistance settles. After the third cycle, resting cell voltage should sit above 3.9V when removed from the cradle.

Talk time seems much shorter than the spec in the first week — is the battery undercharged from the factory?

Li-Polymer cells ship at storage voltage, not full charge, and rated capacity isn't available until the cell has been through three to five full cycles. The H800's firmware also recalibrates its internal talk-time counter only after the base station logs a complete charge from a new cell — early cycles will read shorter than rated. Charge fully in the cradle each time for the first five uses without interrupting the cycle mid-way. By cycle five, available capacity should be within 10% of the rated 230mAh.

The headset gets noticeably warm near the ear cup during long calls — is that a battery issue?

Sustained combined draw from the Bluetooth radio and audio output inside a compact housing generates heat, and the small 230mAh Li-Polymer cell sits close to the driver. Some warmth is normal under extended load, but if the housing feels hot rather than warm, the cell may be working against elevated internal resistance from a partial charge state. Keep the cell above 3.7V during long sessions by topping up in the cradle during breaks — running the cell into the low-voltage range increases internal resistance and heat output under load.

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