Sony NP-33 Cyber-shot Replacement Battery 6V 4200mAh Ni-MH
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Sony NP-33 Cyber-shot Replacement Battery 6V 4200mAh 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 Replacement Battery 6V 4200mAh Ni-MH - is backordered and will ship as soon as it is back in stock.
Voltage
6V
Amp
4200mAh
Sony DSC-S70 / DSC-S85 Series — 6V Ni-MH Replacement Battery (NP-33, NP-66, NP-98)
This is a 6V 4200mAh Ni-MH replacement cell for Sony Cyber-shot cameras that use the NP-33, NP-55, NP-66, NP-66H, NP-68, or NP-98 battery. It fits models including the DSC-S70, DSC-S85, and a wide range of compatible Sony Cyber-shot bodies. Voltage matches the original spec exactly — the camera body sees no difference at the connector.
- Multi-OEM cross-compatibility: Sony used the same 6V Ni-MH platform across several Cyber-shot generations, varying only in label. The NP-33 through NP-98 family shares the same connector footprint, voltage rail, and cell housing — which is why one replacement covers this range.
- Bench tested on actual hardware: We cycled this cell through the DSC-S85 body, triggering flash recharge repeatedly to stress the draw curve. The BMS accepted the cell on first charge and held stable output through full discharge without tripping protection.
- First-install charge protocol for Ni-MH camera cells: Ni-MH cells ship at a partial state of charge. Run one full charge cycle inside the OEM Sony charger or camera body before your first shoot — this lets the camera's charge counter recalibrate to the new cell and display accurate battery-remaining bars.
Flash output dropping mid-shoot on a new Ni-MH cell
The DSC-S70 and S85 flash capacitor pulls a sharp current spike to recharge between shots. If the Ni-MH cell hasn't completed its first full conditioning cycle, internal resistance reads higher than nominal and the capacitor recharge slows. This shows up as a longer recycle delay or a noticeably dimmer flash on rapid shots. One full charge-discharge cycle through the camera body brings internal resistance down and restores normal flash recycling speed.
Battery bars dropping suddenly then recovering during shooting
Sony's Cyber-shot battery indicator maps voltage thresholds to bar levels calibrated against the original cell's discharge curve. A fresh Ni-MH replacement has a flatter discharge curve than an aged original, which causes the camera to read voltage drops as steeper than they are — triggering a sudden bar drop that partially recovers when draw decreases. This is a display calibration mismatch, not a fault with the cell. After two or three full charge-discharge cycles, the camera's threshold mapping stabilises and bar readings become more consistent. To force recalibration, fully discharge the cell in-camera, then charge to 100% without interruption.
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 "no battery" warning with this replacement installed — what's happening?
Ni-MH camera bodies on this platform perform a voltage handshake on power-on. If the cell is below the camera's minimum recognition threshold from shipping or storage, the body rejects it before reading chemistry. Place the battery in the OEM Sony charger for a full charge cycle first, then reinsert — the camera will recognise it once the resting voltage clears the detection floor of approximately 5.4V.
The battery percentage jumps from 50% straight to one bar mid-shoot — is the cell faulty?
It's not a fault. The DSC-S70 and S85 indicator reads discrete voltage steps, and a new Ni-MH cell has a flatter mid-range discharge curve than the aged original it replaces. The camera interprets the voltage plateau as a sudden drop when it hits the threshold. Run two full charge-discharge cycles in-camera and the indicator will track more evenly against the actual remaining capacity.
Shot count is lower than I expected — flash, video, and continuous AF all seem to drain it faster than spec suggests.
Manufacturer shot counts are measured under controlled conditions — single-shot stills, flash off, minimal zoom. On the DSC-S85, firing the flash on every shot alone can increase per-shot draw by 30–40% over baseline. Combine that with continuous AF, optical zoom motor use, and LCD-on time, and real-world shot count can drop significantly below the rated figure. That's normal draw behaviour for this body, not a cell issue — check that the LCD backlight timeout is set to the shortest available interval to recover shots per charge.
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