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10 Battery Replacement
10.1 General Information About Battery Life
The battery used in Portable Power 250 is a high quality, state-
of-the-art design that will serve as a reliable power source for
years when properly maintained.
To maximize battery life it is important to recharge Portable
Power 250s battery after each use. Recharge fully every three
months if placed in storage, and store in a location that
maintains a temperature range of 32ºF to 86ºF (0ºC to 30ºC).
Also, discharging the battery below 10.0 volts will damage the
battery and shorten its life.
IMPORTANT: The battery is covered under warranty only
when it is properly maintained.
10.2 Replacing Jazz Portable Power 250s
Internal Battery
Before attempting to replace the battery, make sure any
charging cables, DC accessories, or AC products are
disconnected from Portable Power 250 and that the AC Power
ON/OFF Switch and fluorescent light switch are turned off.
Also, read this entire section before disassembling the unit.
WARNING: To avoid potentially serious injury follow these
precautions when working with batteries:
1. Someone should be within range of your voice or close
enough to come to your aid when you work near a
lead-acid battery.
2. Have plenty of fresh water and soap nearby in case
battery acid contacts skin, clothing, or eyes.
3. Wear complete eye protection and clothing protection.
Avoid touching your eyes while working near batteries.
4. If battery acid contacts skin or clothing, wash
immediately with soap and water. If acid enters your
eye. immediately flood it with running cold water for
at least twenty minutes and get medical attention
immediately.
5. Keep a supply of baking soda on hand in the area of
the batteries. Baking soda neutralizes lead-acid battery
electrolyte.
6. NEVER smoke or allow a spark or flame in vicinity of the
engine or batteries.