Lithium coin cell battery
The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime
of about three years.
See the appropriate removal and replacement chapter for the chassis you are working on in this guide for
instructions on the replacement procedures.
WARNING! This computer contains a lithium battery. There is a risk of re and chemical burn if the battery is
handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in water or re, or
expose it to temperatures higher than 140ºF (60ºC). Do not attempt to recharge the battery.
NOTE: Batteries, battery packs, and accumulators should not be disposed of together with the general
household waste. In order to forward them to recycling or proper disposal, please use the public collection
system or return them to HP, their authorized partners, or their agents.
Laser compliance
WARNING! Use of controls or adjustments, or performance of procedures other than those specied in the
laser product installation guide, may result in hazardous radiation exposure. To reduce the risk of exposure to
hazardous radiation:
Input power
The power information in this section may be helpful if you plan to travel internationally with the computer.
The computer operates on DC power, which can be supplied by an AC or a DC power source. The AC power
source must be rated at 100–240 V, 50–60 Hz. Although the computer can be powered from a standalone DC
power source, it should be powered only with an AC adapter or a DC power source supplied and approved by
HP for use with this computer.
The computer can operate on DC power within the following specications. The voltage and current for your
computer is located on the regulatory label.
Input power Rating
Operating voltage and current 5 V dc @ 3 A / 9 V dc @ 3 A / 10 V dc @ 5 A / 12 V dc @ 5 A / 15 V dc @ 4.33
A / 20 V dc @ 3.25 A – 65 W USB-C
HP Engage One Basic I/O Connectivity Base: 120 W (19.5 V / 6.15 A)
HP Engage One Advanced I/O Connectivity Base: 180 W (19.5 V / 9.23 A)
NOTE: This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding
240 V ms.
20 Chapter 4 Routine care, SATA drive guidelines, and disassembly preparation
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