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Replacement Li-Ion battery for EliteBook 725 G3 / 820 G3 (Origin SN03XL-BTI) 11.4V 3859mAh 44Wh, black
Replacement Li-Ion battery for EliteBook 725 G3 / 820 G3 (Origin SN03XL-BTI) is a single black lithium‑ion battery designed to restore mobile power to compatible HP EliteBook notebooks. The battery provides a nominal voltage of 11.4 V and a rated capacity of 3859 mAh (44 Wh). It is intended as a direct replacement for worn or failed batteries in supported laptop models and matches the form factor and electrical characteristics required for normal operation.
This Origin replacement battery uses Lithium‑Ion technology to deliver consistent runtime for everyday office tasks, travel and field use. The battery is supplied as a single, ready‑to‑install unit in black, compatible with the specified EliteBook 725 G3 and 820 G3 series. Capacity and voltage are specified to align with the original equipment’s requirements, enabling predictable charging behavior and power delivery during standard usage.
Power down the laptop and disconnect the external power adapter before removing the existing battery. Follow the laptop manufacturer’s service instructions to unlock and remove the original battery, then insert the replacement battery and secure it in place. Reconnect the power adapter and charge the new battery fully before first extensive use. After installation, verify battery recognition in the operating system and power management utility.
For safe and reliable operation, use the replacement battery in the specified laptop models only, avoid exposure to extreme heat or moisture, and follow standard battery handling and charging practices. Store the battery at moderate temperature and partial charge if not used long term. Dispose of the battery according to local regulations for lithium‑ion cells.
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