HP Photosmart 912xi Replacement Battery 7.4V 2000mAh Li-ion
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HP Photosmart 912xi Replacement Battery 7.4V 2000mAh Li-ion - 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.
Delivery and Shipping
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.
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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.
HP Photosmart 912xi Replacement Battery 7.4V 2000mAh Li-ion - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
2000mAh
HP Photosmart 912xi / PhotoSmart C912 — 7.4V Li-ion Replacement Battery (C8872A / 29518)
This 7.4V, 2000mAh (14.8Wh) Li-ion battery replaces the original pack in the HP Photosmart 912xi and PhotoSmart C912 digital cameras. It matches the OEM voltage rail and connector footprint. Drop it in when the original cell no longer holds a useful charge between shots.
- Photosmart 912xi and C912 fit: Both models share the same battery bay geometry, contact layout, and 7.4V nominal rail. One battery SKU covers both — no adapter or modification needed.
- Bench tested on actual hardware: We cycled this pack through charge and discharge on a calibrated rig. The BMS held protection thresholds at both ends of the voltage window and passed cell balance checks across all test runs.
- Flash capacitor interaction: The built-in flash draws a short high-current pulse to recharge its capacitor after each shot. Give the camera two to three seconds between flash exposures — rapid sequential flash firing puts repeated peak loads on the cell and can shorten overall cycle life faster than normal shooting.
Why the Photosmart 912xi shuts down mid-shot burst with a new battery installed
During a burst sequence, the camera draws simultaneously from the image sensor, processor, and flash capacitor. If the new cell has not been through a full charge cycle, its internal resistance is slightly elevated and voltage can sag below the camera's cutoff threshold under that combined load. The BMS reads this sag as a low-cell condition and trips the output. A complete charge to 8.4V before first use brings cell resistance down and prevents nuisance shutdowns during burst shooting.
Battery percentage jumping erratically on the Photosmart display after fitting a replacement
The camera's fuel gauge was calibrated to the discharge curve of the original, degraded cell. A fresh 2000mAh pack has a different curve, so the indicator overshoots or undershoots until the camera maps the new cell's behaviour. Run the battery from a full charge down to automatic shutoff without interruption, then recharge fully. After one complete cycle the percentage readout stabilises and tracks the actual charge state accurately.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: HP
- 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 Photosmart 912xi won't turn on after the replacement battery sat in a drawer for a few months before I installed it — is the pack dead?
Probably not dead, but the BMS has entered sleep mode after self-discharge dropped the cell voltage below its recovery threshold. Connect the camera to its charger and leave it for at least 30 minutes without pressing the power button — most BMS circuits require a trickle-charge period before they allow the main output to switch on. If the charge indicator light comes on, the pack is recovering. Target a full charge to 8.4V before first use.
The camera powers on fine but cuts out the moment I start a USB transfer to my PC — why?
USB data transfer activates the camera's processor, display, and USB controller simultaneously, which pulls more current than standby or review mode. If the cell voltage is below roughly 7.0V when you plug in, that combined draw causes a voltage sag that trips the BMS cutoff before the transfer completes. Charge the battery fully before connecting, and avoid starting a transfer with less than half charge showing on the display.
Readings on the battery indicator reset to full every time I power the Photosmart back on, even though it drains quickly during a session — what's happening?
The camera re-reads open-circuit voltage at startup and maps it to a percentage using its stored discharge curve. A freshly installed replacement cell rests at a voltage that looks like "full" to the camera's firmware, even if the cell discharged partially during the previous session. This corrects itself after one full uninterrupted discharge cycle — run the camera until automatic shutoff, then charge to 8.4V. After that, the startup reading will reflect actual remaining capacity.
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