The battery included within the Liquid Jade S is a 2300 mAh unit, which is a small 200 mAh increase in capacity over the Liquid Jade. Presumably, Acer have done this as the octa-core processor is more of a battery-hog than the quad-core CPU in the Liquid Jade.
Despite this sensible move, the Liquid Jade S still struggles with its battery life. With WiFi/Mobile data and auto-sync always enabled, it could just about struggle through a day's use. This was only with the brightness at no higher than 50%, as otherwise the phone just could not last.
So it is clearly not very satisfactory, as most users will probably have to recharge during the day in order to keep the display brightness at a comfortable level. Indeed, heavy users will probably find the phone will not last much longer than half a day. As it is, with our testing simulating everyday usage, it is a real struggle to last 1 day.
So it seems Acer should have included an even bigger battery to accommodate the octa-core processor. The Liquid Jade had a poor battery life, and unfortunately that is a trend which continues with the Liquid Jade S.
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