there is no regular upgrade for the Piko with 550 Lumen.
but LUPINE present two special options:
little upgrade = LED Board + Lens 22° + seal kit
= Piko 8 Watt with 600 Lumen 22° = price 55,- €
big upgrade = LED Board + Lens 22° + seal kit + elektronik + software + and so on ....
everything will change up to the main body
= Piko 10 Watt with 750 Lumen 22° = price 128,- €
little + big upgrade only available by LUPINE (Germany)
= the Piko must to send to LUPINE The simplest way to have the last Piko is to order one