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Samsung HMX-R10 IA-BH125C Replacement Battery 3.7V 1000mAh

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From $22.99 USD $28.99
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Fits Samsung HMX-R10 camcorder; replaces OEM part IA-BH125C battery.
3.7V at 1000mAh delivers stable power for extended recording and playback sessions.
Connector slides straight in with positive contact facing camera body slot.
Bench testing showed clean voltage ramp on first charge; BMS accepted cell without fault codes.
On initial install in the HMX-R10, charge once through the camera body before heavy shooting to sync the fuel gauge display with the new cell's discharge curve.
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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.

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⚠️ 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

1000mAh

Samsung HMX-R10 Series — 3.7V Li-ion Replacement Battery (IA-BH125C)

This is a 3.7V, 1000mAh Li-ion replacement battery for the Samsung HMX-R10 compact camcorder. It fits the HMX-R10, HMX-R10BP, HMXR10BNXXA, and HMXR10BN, along with additional variants sharing the same battery bay. The OEM part number is IA-BH125C.

  • HMX-R10 series compatibility: These models share the same battery bay dimensions, 3.7V power rail, and BMS handshake protocol. The IA-BH125C connector and contact layout match across all listed variants, so the camera body communicates with the cell without modification.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the HMX-R10 platform. The BMS accepted the cell on first install, reported state of charge correctly, and did not trigger low-voltage cutoff prematurely under normal recording load.
  • First-use charge cycle on the HMX-R10: Charge this battery to full inside the camera body or OEM charger before your first shoot. The HMX-R10 BMS maps voltage thresholds to its battery-remaining indicator on the first charge cycle — skipping this step can cause the indicator to read inaccurately throughout the cell's life.

Why the HMX-R10 battery indicator jumps erratically after fitting a new cell

The HMX-R10 uses a voltage-threshold system to estimate remaining charge. A new cell has a slightly different discharge curve than a worn OEM battery, so the camera's indicator mapping can misread the state of charge initially. This typically shows up as the percentage jumping from high to low suddenly, or the camera shutting off while the indicator still shows charge remaining. Running one complete charge cycle — from flat to full inside the camera — allows the BMS to recalibrate its threshold reference points to the new cell's curve.

HMX-R10 showing "no battery" or refusing to power on with a valid replacement cell

If the camera shows no battery detected or fails to power on, the BMS authentication check has not yet accepted the new cell. This happens most often when a replacement cell is installed with a low resting voltage after storage. Place the battery into an OEM-compatible charger first and bring it to full charge before inserting it into the camera body. Once the cell reaches 4.2V and is installed into a powered-off camera, cycle the power — the body should recognise it immediately.

Compatible Models

HMX-R10 HMX-R10BP HMXR10BNXXA HMXR10BN HMX-R10EDC HMX-R10SP

Replaces Part Numbers

IA-BH125C

Technical Specifications

Voltage3.7V
Amp Hours1000mAh
Capacity1000mAh
Rate3.7Wh
Net Weight23g /0.81 oz
Gross Weight48g /1.69 oz
Approximate Weight48g /1.69 oz
Dimension 40.61 x 35.50 x 9.30mm

Product Highlights

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

Frequently Asked Questions

The HMX-R10 battery percentage drops from 80% to 10% with no warning — is the cell faulty?

The cell is almost certainly fine. The HMX-R10 voltage-threshold indicator maps its percentage display to a reference discharge curve stored in the BMS. A new replacement cell has a slightly different curve, so the indicator loses accuracy mid-range and skips large steps. Run one full charge cycle inside the camera body — from fully depleted to a complete 4.2V charge — and the indicator will track the actual state of charge correctly from that point on.

I got noticeably fewer clips on a full charge than I expected — what's drawing down the HMX-R10 battery faster than spec?

The HMX-R10 draws current from the sensor, image processor, and optical image stabilisation simultaneously during recording. In bright conditions, the auto-exposure system also drives the lens motor continuously, adding to the load. All of that combined draw pulls harder on a 1000mAh cell than simple playback does. Switching off optical stabilisation when shooting on a tripod and reducing LCD brightness are the two fastest ways to extend your charge between sessions.

My HMX-R10 powers on fine but the battery drains noticeably faster when shooting in cold weather — is something wrong?

Nothing is wrong with the cell. Li-ion chemistry loses available capacity as temperature drops because the electrolyte's ionic conductivity decreases, raising internal resistance. The HMX-R10's BMS reads this as a lower state of charge and cuts power earlier than it would at room temperature. Keep the spare battery in an inside jacket pocket between shots to hold it near 20°C, and the cold-weather capacity loss will be significantly reduced compared to leaving it mounted in the camera.

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