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Canon PowerShot NB-5H Replacement Battery 6V 750mAh

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From $27.99 USD $34.99
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Fits Canon PowerShot 600, PowerShot A5 Zoom, and PowerShot A50 — replaces OEM NB-5H battery.
6V, 750mAh Ni-MH cell delivers 4.5Wh for standard shooting and LCD operation on compact Canon bodies.
Connector slides straight into camera battery compartment with positive terminal facing outward and retention clip secured.
We bench-tested this cell in a PowerShot 600 body — voltage held steady through a full discharge cycle and BMS accepted the pack on first insertion.
On initial use with your Canon body, run one complete charge-discharge cycle in the camera itself — some older Canon BMS systems need this charge cycle from within the body to map the cell voltage curve correctly and display accurate battery percentage during shooting.
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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

6V

Amp

750mAh

Canon PowerShot 600 Series — 6V Ni-MH Replacement Battery (NB-5H)

This is a 6V, 750mAh Ni-MH replacement cell for the Canon NB-5H battery. It fits the PowerShot 600, PowerShot A5 Zoom, PowerShot A50, and PowerShot D350, among others. Same voltage, same form factor, same connector as the original.

  • PowerShot A5/A50/D350 platform compatibility: These models share the NB-5H form factor because Canon standardised the battery bay dimensions and 6V rail across this compact camera generation. The connector pinout and physical housing are identical across all listed models.
  • Bench tested on actual hardware: We cycled this cell through a full charge and discharge on a Canon PowerShot body. The BMS accepted the cell without rejection errors, and the camera's battery indicator tracked the discharge curve normally through the cycle.
  • First-cycle initialisation on Ni-MH camera bodies: Ni-MH cells ship partially discharged. Run one complete charge cycle inside the OEM Canon charger before shooting. Some PowerShot bodies recalibrate their battery-remaining display only after a full charge cycle from the OEM charger — skipping this step can cause erratic percentage readings.

Why the PowerShot battery indicator jumps erratically on a new NB-5H cell

Canon's PowerShot battery gauge maps voltage thresholds to estimated charge remaining. A new Ni-MH cell has a flatter discharge curve than a worn original, so the camera's firmware can misread where it sits on that curve. This causes the indicator to jump from full to low or skip steps entirely. Running one full charge-discharge cycle inside the camera body allows the BMS to re-anchor its voltage reference points to the new cell's actual curve.

Camera body warm and battery depleting faster during flash-heavy shooting

The PowerShot's flash capacitor draws a recharge current spike after every shot. On Ni-MH cells, sustained flash cycling stresses the cell more than normal shooting because the capacitor pulls current faster than the rated discharge rate assumes. This also generates heat in the battery bay. If the body feels warm and the cell depletes quickly, reduce flash frequency or switch to available-light shooting to bring draw back within the cell's steady-state discharge rating of 750mAh at 6V.

Compatible Models

PowerShot 600 PowerShot A5 Zoom PowerShot A50 PowerShot D350 PowerShot S10 PowerShot S20

Replaces Part Numbers

NB-5H

Technical Specifications

Voltage6V
Amp Hours750mAh
Capacity750mAh
Rate4.5Wh
Net Weight60g /2.12 oz
Gross Weight130g /4.59 oz
Approximate Weight130g /4.59 oz
Dimension 48.05 x 33.58 x 21.90mm

Product Highlights

  • Brand: Canon
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Ni-MH
  • Battery Type: Ni-MH
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Canon PowerShot shows a dead battery icon immediately after installing the new NB-5H — is the cell faulty?

It usually isn't. Canon PowerShot bodies sometimes reject a new Ni-MH cell on the first install if the cell voltage is below the camera's minimum acceptance threshold after sitting in storage. Place the cell in the OEM Canon charger and run a full charge cycle before inserting it into the camera. If the camera still shows dead battery after a confirmed full charge, check that the cell contacts are clean and seated fully — oxidation on the gold contact pads is a common cause on older PowerShot bodies.

The battery percentage on my PowerShot A50 drops from 100% to 20% after just a few shots, then the camera shuts off — what's happening?

This is a voltage-threshold mapping issue, not a faulty cell. The PowerShot's firmware sets a low-voltage cutoff, and if the BMS hasn't yet calibrated to the new cell's discharge curve, it triggers shutdown when voltage dips momentarily during a flash recharge spike — even if most capacity remains. Run one complete discharge (shoot until the camera shuts itself off naturally) followed by a full charge in the OEM charger. After that cycle, the indicator and cutoff behaviour should track the actual cell state accurately.

My PowerShot flash is recycling much more slowly than it used to — could this be a battery issue?

Yes. Flash recycle time is directly tied to how quickly the cell can deliver the burst current the capacitor needs to recharge. A Ni-MH cell that has been shallow-cycled repeatedly — charged before it fully depletes — loses capacity at the top of its charge curve, which reduces peak current delivery. Run two or three full discharge-to-charge cycles to partially recover capacity. If recycle time stays slow, measure the cell voltage under load; a healthy NB-5H should hold above 5.4V during the flash recharge draw.

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