Sony NP-33 Cyber-shot 6V Replacement Battery 2100mAh Ni-MH
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Sony NP-33 Cyber-shot 6V Replacement Battery 2100mAh Ni-MH - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
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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Delivery and Shipping
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Disclaimer
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Sony NP-33 Cyber-shot 6V Replacement Battery 2100mAh Ni-MH - is backordered and will ship as soon as it is back in stock.
Voltage
6V
Amp
2100mAh
Sony 10D / Cyber-shot DSC-P10 Series — 6V Ni-MH Replacement Battery (NP-55)
This is a 6V, 2100mAh Ni-MH replacement battery for Sony Cyber-shot and compatible film and digital camera bodies that take the NP-33, NP-55, NP-66, NP-66H, NP-68, or NP-98 cells. It fits the 10D, 20K, 2006I, BT70, and over 680 additional models in the same OEM battery family. Voltage and connector spec match the original cell exactly.
- Broad NP-series compatibility: These camera bodies share the same 6V Ni-MH battery bay and contact layout across multiple generations. Sony standardised the NP footprint across this lineup, so one cell covers a wide range of bodies without modification.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a compatible Sony body. The BMS accepted the cell cleanly, and voltage held steady across the mid-discharge curve with no premature low-battery flags triggered.
- Ni-MH memory effect management: Unlike Li-ion, Ni-MH cells in this family can develop voltage depression if repeatedly charged from a partial state. Run the cell down fully through normal shooting before recharging — do this on the first three cycles to establish a clean capacity baseline.
Sony camera body rejecting a new NP-series cell on first install
Some Sony Cyber-shot bodies perform a voltage handshake when a new cell is inserted cold. If the resting voltage of the replacement cell sits below the camera's acceptance threshold, the body displays a battery error or simply refuses to power on. This is a BMS authentication check, not a faulty cell. Insert the battery and place the camera on charge via the OEM charger for a full cycle before attempting to power on — this brings the cell voltage up to a level the body recognises. After one complete charge cycle, the body accepts the cell and the battery indicator displays correctly.
Battery percentage jumping erratically after fitting a new cell
Ni-MH cells have a flatter discharge curve than Li-ion, which makes voltage-based fuel gauge readings less accurate — especially during the first few cycles on a new cell. The camera maps battery percentage to voltage thresholds calibrated for a partially aged OEM cell, so a fresh replacement can cause the indicator to skip or drop suddenly. This is a calibration mismatch, not cell failure. Run three full discharge-to-charge cycles and the indicator will settle as the camera re-maps its thresholds to the actual discharge curve of the new cell.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Sony
- 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 Sony Cyber-shot shows a dead battery icon immediately after I put in the new cell — is it faulty?
It is not faulty. Sony camera bodies in this series check resting cell voltage on insertion, and a new Ni-MH cell shipped in a partially discharged state can fall below that threshold. The body reads it as flat rather than new. Place the camera in the OEM charger and run one complete charge cycle before powering on — once voltage reaches the acceptance level, the body clears the error and operates normally.
The shot count with this replacement cell seems lower than what we got with the original — what's drawing it down?
Flash recharge is the single largest current draw on these bodies, and it pulls from the cell between every shot. Continuous autofocus, LCD brightness at maximum, and extended video review mode all add sustained draw that the rated capacity figure does not account for. Ni-MH cells also deliver slightly less usable capacity in cold conditions as internal resistance rises. Reduce LCD brightness and limit flash use where possible — shot count will increase measurably.
The flash is recycling slowly between shots even though the battery indicator still shows charge — why?
Flash capacitor recharge current is a spike load, and as a Ni-MH cell ages or sits at the lower end of its charge state, internal resistance rises enough to slow that spike delivery. The battery indicator reads average voltage, which can still look acceptable while peak current delivery has already dropped. Charge the cell fully and retest — if flash recycle time is still slow at a full charge, the cell has entered the part of its discharge curve below 5.8V and needs recharging before the next shoot.
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