High Quality battery retains 80% of its’ capacity after 300 charge cycles.
The Boulder Rock uses a standard USB port for recharging, charge anywhere without the need for a cable or charger.
Insert nozzle of e-liquid bottle a short way into the refilling port and gently squeeze until full. Rock is made to work with genuine Boulder e-liquid only.
The Boulder Rock fits easily into a pocket, purse or briefcase. With three press On / Off functionality you can be confident that it will not activate unexpectedly.
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