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CHARGING
CHARGE METHODS
Lithium batteries need to be charged slightly different to other batteries, to ensure they
live a long life and provide maximum capacity.
There are several charging devices you can utilise, but whichever device you choose,
it must have a lithium charge profile. Suitable devices include DC-DC chargers, solar
panels (with regulator) and AC (mains power) chargers.
For optimum battery longevity, it is recommended that the charging current should be
30% or less of your battery capacity.
WARNING
• DO NOT use a charge profile with a "Pulse" or "Equalisation" stage. This will
damage the battery and void the warranty.
• DO NOT charge your battery directly from an alternator or via VSR.
CHARGE METHODS: DC-DC CHARGER
DC-DC chargers allow you to charge a lithium battery from your vehicle's alternator.
You generally cannot charge a lithium battery directly from a vehicle alternator,
because lithium batteries have a very high maximum charge current compared to
lead-acid batteries. With nothing to intermediate between the alternator and battery,
the battery will draw its maximum charge current from the alternator, which can lead
to the alternator overheating and burning out.
A DC-DC charger will act to moderate the flow of current, protecting your alternator
from overheating. In addition, they have a multi-stage charging algorithm which will
ensure your battery is optimally charged and its service life is maximised.
Some DC-DC chargers also include a second input allowing you to connect a solar
panel, and may even be able to prioritise the solar charge method when it detects a
panel is connected and providing current.
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