HP Photosmart 912xi Replacement Battery 7.4V 2600mAh
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HP Photosmart 912xi Replacement Battery 7.4V 2600mAh - 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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Disclaimer
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HP Photosmart 912xi Replacement Battery 7.4V 2600mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
2600mAh
HP Photosmart 912xi / PhotoSmart C912 — 7.4V Li-ion Replacement Battery (C8872A)
This is a 7.4V, 2600mAh Li-ion replacement battery for the HP Photosmart 912xi and PhotoSmart C912 digital cameras. It replaces OEM part numbers C8872A, 29518, 38403, 46607, 52030, and EI-D-LI1. Fit these cameras directly — voltage and connector match the original pack.
- Photosmart 912xi and C912 compatibility: Both models share the same battery bay dimensions, 7.4V supply rail, and BMS handshake protocol. One cell pack covers either body — no adapter or wiring change needed.
- Bench tested on actual hardware: We ran this pack through camera power-on, LCD activation, and continuous image processing cycles. The BMS held voltage within spec under combined processor and flash-capacitor draw, with no mid-session cutoff.
- First-use initialisation on the Photosmart: After fitting a new pack, shoot through at least one full discharge-to-recharge cycle before relying on the battery indicator. The camera's charge gauge maps cell state during actual use — skipping this step causes the indicator to display inaccurate levels for the first several sessions.
Why the Photosmart 912xi cuts out when the flash fires
The 912xi's flash capacitor charges rapidly between shots, pulling a short but steep current spike from the battery. An aged or partially depleted cell cannot sustain voltage through that spike, so the BMS trips the output to protect the cells. The camera reads this as a dead battery and shuts down — even if the indicator showed charge remaining seconds before. A fresh pack with healthy internal resistance handles the spike without triggering cutoff.
Camera shows full battery at power-on, then drops to empty within the first few shots
This happens when the camera's fuel gauge has not yet calibrated to the new cell's discharge curve. The original firmware threshold was set against the aged original pack, so voltage readings from a fresh cell look inconsistent at first. Run one complete discharge cycle — shoot until the camera powers off on its own, then charge fully to 8.4V before the next session. After that first cycle the indicator tracks 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 powers off the instant I press the shutter — battery indicator was showing two bars before it died. What's happening?
The shutter press triggers autofocus, image sensor activation, and flash capacitor charging almost simultaneously — that combined current draw spikes well above normal operating load. If the cell's internal resistance has risen, voltage collapses under that spike and the BMS cuts output before the shot completes. This is a cell degradation failure, not a firmware issue. Fit a fresh pack and confirm resting voltage reads at or above 7.4V before shooting.
New battery installed, camera won't power on at all — just a blank screen. The pack sat in a drawer for a while before I fitted it.
Li-ion cells left unused for months self-discharge below the BMS recovery threshold — typically under 6V for a 7.4V pack — and the protection circuit locks output entirely. Place the battery in the charger and leave it connected for at least 90 minutes even if no charge LED activates immediately; most chargers apply a low-current recovery pulse before switching to standard charge rate. If the charger shows activity after that window, let it complete a full cycle to 8.4V before fitting the pack to the camera.
During a long shooting session the camera starts giving blurry or inconsistent images, then resets itself mid-burst. Battery still shows charge.
This is a voltage dropout failure under sustained sensor and processor load, not a capacity issue. As the session continues and cell temperature rises slightly, internal resistance increases — voltage sags under continuous draw and the camera's processor drops below its minimum operating voltage, causing a spontaneous reset. The battery indicator does not catch this because it reads resting voltage, not loaded voltage. Let the pack cool for five minutes between long burst sequences to keep internal resistance stable.
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