Honeywell Marathon Reference Manual page 129

6. Connect the new battery cabled plug to the plug on the Marathon.
7. Lower the connected battery into the battery well using the pull strap.
8. Replace the battery cover, securing it with the original 4 screws.
Connect the Marathon to an external power source. The main battery will be fully charged in 2 hours.
The Marathon is ready for use.
Li-Ion Battery
When disposing of the lithium-ion battery, the following precautions should be observed: The battery should be disposed of
properly. The battery should not be disassembled or crushed. The battery should not be heated above 212°F (100°C) or
incinerated.
CAUTION - RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
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