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CustomDUO design and manufacture a range of retro-fit LED modules to fit and significantly upgrade the Petzl Duo. We have also designed and manufacture a range of CustomPITLAMP modules for mining lamps, the brightest available, and a range of other specialist underground lighting related products. 

Modules for the Petzl Duo





Modules for Mining Lamps









3.7v li-ion battery pack charger - Micro USB







The Online Shop allows payment with most debit and credit cards, without the requirement for a Paypal account. Add product to cart and option is offered at checkout. Customduo also accept UK cheque or bank transfer.   


International orders welcome. We are currently shipping internationally (outside UK) at no extra postal charge.  For more details please see International Delivery