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Battery Capacity
If you frequently charge and discharge your A2, charging only 80% of your battery can not only extend the
battery’s lifespan, but also save you a lot of time: near the end of a charging cycle less and less power will flow into
the battery.
Charging 80% of the A2 will take around 2hours, while the final 20% will take another hour.
Capacity Disclaimer:
To calculate how long you can power a certain device with the A2, simply divide the total capacity (95Wh) with the
power consumption (e.g. 10W):



However, during discharge about 15% to 20% of the battery capacity will be lost due to conversion losses. This means
the A2’s 95Wh built in battery will only provide approx. 80Wh of useful capacity at its best. Also note that the higher
your load the less capacity you will get from the battery. This relates to the A2 as follows:
100% useful capacity on 20W load
95% useful capacity at 50W load
90% useful capacity at 95W load
Ambient temperature also affects the relative capacity of the battery. Below 0°C or above 40°C only 80% of the capacity will be
available.
The A2 has been successfully tested to work at 40° C ambient temperature under full load (100W) for approx. 20min. Beyond this point,
the internal temperature may rise above 60°C and the thermal overload protection will be activated.
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