Chapter 2 – Hardware Operation
Batteries beyond one year of service may experience shorter run times. WalkAbout recommends replacing your batteries once a year or every
Where to purchase replacement batteries
The Hammerhead uses long lasting Lithium Ion batteries that are custom made for WalkAbout Computers. If you need to purchase replacement batteries for your Hammerhead computer, contact your WalkAbout sales representative. Do not substitute any other batteries. Substituting batteries may result in a void warranty.
How to store batteries when they’re not in use
The following storage tips will help you optimize the capacity and performance of your batteries.
•If the battery will not be in use for a month or longer, it is recommended that it is removed from the computer for storage.
•Store batteries in a cool, dry place.
•Do not leave batteries in direct sunlight during the summer months or any other unusually hot location.
•Do not expose battery terminals to metal objects or moisture, which may
•For
Safety and handling considerations for your batteries
To make the batteries as safe as possible, Walkabout Computers, along with our approved vendors, has incorporated several built in safety features to protect the pack. The safety circuit in your battery cannot protect against handling abuse. Please use the following safety rules when handling and using Lithium Ion batteries.
•Do not expose the batteries to extremely high temperatures. Do not dispose of batteries in fire.
•Do not short circuit the battery or reverse polarity. Avoid placing batteries around metal objects such as keys, pocket change, paper clips and jewelry.
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Chapter 2 – Hardware Operation
•Do not let children play with batteries.
•Do not crush, dent or allow any deformation of the battery.
•Do not disassemble or open the batteries or try to alter or bypass the safety circuit.
•Do not allow the battery to get wet.
•Avoid exposing the battery to extremely humid environments.
•Avoid exposing the batteries to electrostatic discharge.
•Avoid extreme shock and vibration to the battery. Avoid dropping the battery.
•Do not use or connect the battery to any other devices.
•Do not allow batteries to remain discharged for long periods of time.
Disposing of your batteries
The batteries used in WalkAbout’s Hammerhead Computers are not considered hazardous waste by EPA regulations; however local regulations may require specific methods of disposal. We strongly encourage recycling. WalkAbout will be happy to recycle batteries for you. Please contact your area representative.
Battery tips for the best performance
•Fully discharge your battery before recharging.
•Fully charge within 24 hours of discharge.
•Battery charging should be done at temperatures between 0°C to 45°C, preferably room temperature.
•Discharging should be done at temperatures between
•Store your battery at temperatures between 20°C to +60°C. Do not store batteries in a fully discharged state.
Calibrating Batteries
Periodically, batteries require calibration to improve accuracy of the battery gauge. To ensure that the batteries are operating accurately and at their best performance levels, we offer a Smart battery charger that will perform the calibration procedure for you. (WalkAbout Model Number
This Smart battery charger is based on Intel’s System Management Bus (SMBus) interface for Advanced Configuration and Power Interface (ACPI). In addition to calibration, the charger can fully charge two
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