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Safety instructions
EN
• Please read and understand the whole user manual before installation and usage of the LE300
Lithium Extension Battery.
• Only connect to 12 VDC batteries of the following types:
- Lead storage batteries with liquid electrolytes
- Sealed lead acid batteries – GEL or AGM
• Use the device only in combination with a lead acid battery and a lead acid charge controller,
do NOT connect loads or power sources directly to the lead acid battery nor to the LE300
device.
• Lead acid batteries can generate explosive gases during operation. Never smoke, allow flames
or sparks near the battery. Make sure to keep sufficient ventilation around the battery and
read the lead acid battery user manual.
• Do NOT use with nickel cadmium batteries, nickel metal hydride batteries or other battery
types.
• Do NOT mix up the + (plus) and – (minus) poles of the battery.
• Do NOT connect anything to a damaged battery. It could heat up, catch fire or explode.
• Do NOT open the battery pack. Danger of short-circuiting. Opening the LE300 device voids any
and all warranty claims.
• Best operating temperature is between 15 and 20 °C. Higher temperatures shorten the life-
span of the batteries. Do NOT place device in direct sunlight!
• Protect the LE300 against heat (e.g. prolonged sun exposure) and fire and from water. Do NOT
store or operate the LE300 near hot or flammable objects.
• Install this device step by step as written in this manual for best results.
• After installation, the device needs to be fully charged.
• Do NOT charge the device over an extended period, if the device is unused.
• After prolonged storage period, it may be necessary to charge and discharge the device nume-
rous times to achieve the full performance capability.
• Follow all safety precautions during installation of device & handling batteries.
• Improper handling of batteries may introduce a risk of battery explosion.
• Keep batteries away from children & animals.
• During handling of batteries no smoking or exposure to naked light & fire.
• Wear eye protection during installation process.
• When working with a battery and LE300 remove all personal metal items like watches, rings,
necklaces and bracelets. Metal items in contact with the battery terminals might cause a short
circuit with a very high electric current, which may heat up and melt nearby objects and cause
severe burns.
• Keep the LE300 not being used away from paper clips, coins, keys, nails, screws or other small
metal objects, that can make a connection from one terminal to another. Shorting the battery-
pack terminals together may cause burns or a fire. For short-circuiting damage caused in this
manner, any and all warranty claims shall be invalid.
• Use electrically insulated tools for connecting cables.
• The mounting and the electrical connection may only be carried out by trained specialists.
• Use only properly functioning test equipment with this device.
• Internal voltage of device may be higher than the rated level, take care to avoid being zapped
during installation.
• Keep this document in a safe place for the entire service life of the device. Pass the document
on to subsequent owners and operators of the device.
• Incorrect operation can damage system components.
• The device must not be connected to a lead acid battery if it has a damaged casing.
• Factory labels and markings must never be altered, removed or rendered unreadable.
• This device contains sensitive electronics, so take care during installation and use.
• Consider all relevant official safety instructions during transportation of the device. Safety
instructions might vary depending on the mode of transport and on local country regulations.
• Check the recycling information at the end of the user manual for disposal of device
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