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                    Where can I watch a detailed walkthrough of the Profoto B20 and B30 to see how they work in practice?
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                    What is the difference between the Profoto B20 and B30?
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                    How fast do the Profoto B20 and B30 recycle?
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                    How many full-power flashes can I get per battery charge?
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                    How powerful is the continuous LED light, and can it be adjusted?
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                    What flash modes are available on the B20/B30?
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                    Does the B20 and B30 use the same battery as older B10-series light?
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                    Which modifers can I use with the B20 and B30?
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                    Does the B20 and B30 have Boost mode?
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                    Is the OCF Handle compatible with the B20 and B30?