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Samsung VP-DX100i Compatible Battery IA-BP80W 7.4V 800mAh

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Fits Samsung VP-DX100i, VP-D381, VP-DX105i, SC-D385 camcorders; replaces IA-BP80W battery pack.
7.4V at 800mAh capacity delivers 5.92Wh — sufficient for standard recording sessions on compact Samsung camcorders.
Connector slides straight into the battery slot with a single locking tab; no adapter needed.
We bench-tested this cell on a VP-DX100i body; BMS accepted the pack on first insert with no authentication delay.
On first use, charge fully in the camera body itself before extended recording — Samsung camcorder firmware maps charge cycles from internal charging, and skipping this step can cause erratic battery-remaining display.
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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

7.4V

Amp

800mAh

Samsung VP-DX100i / VP-D381 Series — 7.4V Li-ion Replacement Battery (IA-BP80W)

This is a 7.4V, 800mAh Li-ion replacement for the Samsung IA-BP80W battery. It fits the VP-DX100i, VP-D381, VP-DX105i, and SC-D385 compact camcorders. The cell matches the original voltage rail and connector footprint for those models.

  • VP-DX100i and VP-D381 series compatibility: These models share the same battery bay geometry, 7.4V nominal rail, and IA-BP80W connector pinout. The BMS handshake on each body reads the same cell identification — one battery covers the full group.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on a VP-DX100i body. The BMS accepted the cell without error, reported charge status through the indicator, and held voltage above 6.8V through the working discharge range.
  • First-cycle initialisation on the VP-DX100i: Run the first full charge inside the camera body or the OEM Samsung charger rather than a generic third-party charger. The VP-DX100i BMS maps battery-remaining percentage against the cell's discharge curve during that initial cycle — skipping it can cause the indicator to read erratically for several sessions.

Why the VP-DX100i shows a dead-battery icon on a partially charged replacement cell

Samsung's camcorder BMS uses a stored voltage-threshold map to calculate remaining charge. A new cell that hasn't completed a calibration cycle presents a discharge curve the BMS hasn't seen before, so it defaults to low or empty. This isn't a faulty cell — it's a mapping mismatch. Charge the battery to full inside the camera body or OEM charger, then run it down through normal recording use. After one complete cycle, the indicator tracks accurately.

Battery percentage jumping erratically during playback or recording

The VP-DX100i samples cell voltage at brief intervals and maps those readings to percentage steps. A replacement cell with a slightly different discharge curve produces voltage readings that land between the original threshold steps, causing the display to skip or jump. This is most visible in the middle charge range — roughly 40% to 70%. One full charge-discharge cycle inside the camera body re-anchors the threshold map to the new cell. After calibration, the percentage display stabilises and steps down in a consistent pattern.

Compatible Models

VP-DX100i VP-D381 VP-DX105i SC-D385 SC-DX103 VP-D38li

Replaces Part Numbers

IA-BP80W

Technical Specifications

Voltage7.4V
Amp Hours800mAh
Capacity800mAh
Rate5.92Wh
Net Weight39g /1.38 oz
Gross Weight64g /2.26 oz
Approximate Weight64g /2.26 oz
Dimension 57.70 x 37.10 x 9.50mm

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

My VP-DX100i says "no battery" when I insert the new IA-BP80W — is the cell dead?

The VP-DX100i runs an authentication check on first insert, and a cell that hasn't been charged in-body can fail that check and trigger a no-battery error. Remove the battery, place it in the OEM Samsung charger or back into the camera body, and run a full charge cycle to 7.4V before reinserting. Most no-battery errors on first install clear after that single charge. If the error persists after a full charge, power-cycle the camera body completely — remove the battery for 30 seconds, reinsert, and power on again.

The battery percentage on my VP-DX100i jumps from 60% straight down to 15% mid-recording — what's happening?

This is a voltage-threshold mapping issue, not a capacity fault. The camera's BMS compares live cell voltage against a factory table built around the original IA-BP80W discharge curve. A replacement cell with a slightly different curve hits those thresholds at different points, causing the display to skip entire percentage blocks. Run one full charge-to-discharge cycle inside the camera body and the BMS recalibrates its reference points. After that cycle the percentage steps down smoothly rather than jumping.

The replacement IA-BP80W drains noticeably faster in cold weather than indoors — is that normal?

Li-ion cells lose available capacity as temperature drops because ion mobility through the electrolyte slows down. At around 0°C a 800mAh cell can deliver noticeably less usable capacity than its rated figure before voltage sags below the camera's cutoff threshold. Keep the battery in a jacket pocket between shots when shooting outdoors in cold conditions — body heat keeps the cell closer to operating temperature. Once you're back indoors and the cell warms up, capacity returns to normal on the next charge cycle.

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