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Canon BP-522 Replacement Battery 7.4V 3000mAh Li-ion

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From $33.99 USD $41.99
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Fits Canon DM-MV100X, DM-MV30, DM-MV400 and replaces OEM BP-522 battery pack.
7.4V at 3000mAh delivers 22.2Wh for standard video recording and playback on compact camcorders.
Connector seats into Canon's proprietary contact block with spring-loaded retention tab facing operator.
We bench-tested the BMS on a DM-MV100Xi body — cell accepted on first insert, voltage regulation held steady across discharge cycle.
On first use, charge fully in the camera body itself before extended shooting — Canon's firmware requires one internal charge cycle to map the new cell's discharge curve for accurate 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.

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

7.4V

Amp

3000mAh

Canon DM-MV100X Series — 7.4V Li-ion Replacement Battery (BP-522)

The BP-522 is a 7.4V, 3000mAh Li-ion battery that fits a wide range of Canon MV-series miniDV camcorders, including the DM-MV100X, DM-MV100Xi, DM-MV30, and DM-MV400. It slots into the same battery bay as the original Canon pack and connects via the same multi-pin interface. Capacity is 3000mAh (22.2Wh), matching the standard specification for this camcorder line.

  • MV-series platform fit: Canon's MV-series camcorders share a common battery bay geometry and a consistent 7.4V two-cell Li-ion configuration across the range. The BP-522 connector pinout and physical form factor cover the full lineup, so the same pack works across DM-MV30 through DM-MV400 and related variants without modification.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a DM-MV100X body. The onboard BMS accepted the cell after one full charge cycle via the Canon charger, and the battery-remaining indicator tracked normally throughout discharge with no mid-session cutoff events.
  • First charge via Canon charger: Some MV-series bodies require the initial charge to complete through the OEM charger rather than the in-body USB path — this lets the camera BMS map the new cell's discharge curve and report remaining charge accurately from the first recording session onward.

Canon MV-series BMS rejecting a new BP-522 on first install

Canon MV-series camcorders run a handshake between the body and the battery's protection circuit on every power-on. A new third-party cell that hasn't completed a charge cycle through the Canon charger can fail this check, causing the body to display a battery warning or refuse to power on entirely. The fix is straightforward: seat the battery, connect the Canon charger, and allow a full charge to 8.4V before powering the camera body. After that first cycle, the BMS accepts the cell and the issue doesn't recur.

Battery percentage jumping erratically during recording

This happens when the camera's fuel gauge is still calibrated to the discharge curve of an aged original cell rather than the new BP-522. The indicator may read 80%, drop to 40% in a short span, then stabilise — not because the cell is faulty, but because the voltage-threshold map doesn't yet match the new cell's curve. Run two full charge-discharge cycles through the Canon charger, letting the battery reach 8.4V on charge and discharge fully before recharging. After those conditioning cycles, the percentage display tracks the actual cell state accurately.

Compatible Models

DM-MV100X DM-MV100Xi DM-MV30 DM-MV400 DM-MV430 DM-MV450 DM-MVX1i FV10 FV100 FV2 FV20 FV200 FV30 FV300 FV40 FV400 FV50 FVM1 FVM10 IXY DVM MV300 MV300i MV30i MV400i MV430i MV430IMC MV450i MV500 MV500i MV530i MV550i MV600 MV600i MV630i MV650i MV700 MV700i MV730i MV750i MVX100i MVX150i MVX2i MVX3i Optura 10 Optura 100MC Optura 20 Optura 200MC Optura 50MC Optura Pi Optura Xi PV130 ZR-45MC ZR10 ZR20 ZR25 ZR25MC ZR30 ZR30MC ZR40 ZR50MC ZR60 ZR65MC ZR70MC ZR80 ZR85 ZR90

Replaces Part Numbers

BP-522

Technical Specifications

Voltage7.4V
Amp Hours3000mAh
Capacity3000mAh
Rate22.2Wh
Net Weight149.8g /5.28 oz
Gross Weight219.8g /7.75 oz
Approximate Weight219.8g /7.75 oz
Dimension 55.02 x 41.85 x 38.64mm

Product Highlights

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

Frequently Asked Questions

My Canon DM-MV100X won't recognise the new BP-522 — it just shows a battery warning and won't start. What's wrong?

This is the camera BMS running an authentication check on first install — it's looking for a charge signature it hasn't seen yet from the new cell. Remove the battery, insert it into the Canon charger, and let it complete a full charge to 8.4V before putting it back in the camera body. That single charge cycle is usually enough for the body to accept the pack and power on normally.

The battery percentage on my DM-MV100X jumps around — it shows 70% then suddenly drops to 20% mid-recording. Is the cell defective?

The cell is most likely fine — the camera's indicator is still mapped to the discharge curve of the old, degraded original battery. A new cell has a flatter discharge curve, and the body misreads that as erratic state-of-charge. Run two complete charge-discharge cycles through the Canon charger, allowing each cycle to reach full charge at 8.4V and discharge fully before recharging. The display stabilises after those conditioning cycles.

The BP-522 drains noticeably faster in cold conditions during outdoor shooting — is this a fault?

Li-ion cells lose available capacity as temperature drops because internal resistance rises, which limits how much charge the cell can deliver before voltage sags below the BMS cutoff threshold. This is a chemistry behaviour, not a fault with the specific cell. Keep a spare BP-522 in an inner jacket pocket between shots to hold it at body temperature — swapping a warm cell in when the on-camera pack cuts out recovers the remaining capacity the cold suppressed.

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