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Battery HP 274779-001
3.6V 500mAh Ni-MH battery pack designed for Smart Array 641/642 control units. This rechargeable battery provides a compact power source compatible with the specified Smart Array models, intended to replace depleted internal batteries and restore backup or autonomous operation where applicable.
The 3.6V 500mAh Ni-MH battery pack offers reliable rechargeability and a form factor matched to Smart Array 641 and 642 control units. Its Ni-MH chemistry balances capacity and stability for typical standby and low-drain applications in these control modules. The pack is intended as a direct replacement to maintain device functions that depend on battery power.
Power down the Smart Array control unit and follow the manufacturer's service instructions before replacing the battery. Remove the old battery pack carefully, observe polarity and connector orientation, and install the replacement 3.6V 500mAh Ni-MH pack securely. After replacement, power on the device and verify normal operation and any battery-related status indicators.
Use the battery pack only in the listed Smart Array 641/642 models and follow the control unit manufacturer's guidelines for safe handling, disposal, and recycling of Ni-MH batteries.
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