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We will be closed 24th Aug - 31st Aug 2020

CustomDUO Shop

CustomPITLAMP modules

LED upgrades for mining lamp conversions

CustomDUO Shop 

CustomDUO modules

LED upgrades for the original pre 2018 Petzl Duo - the cavers Duo 



Flippin-Tec modules


LED upgrades for Underwater Kinetics and Princeton Tec dive lights



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 payment by bank transfer. 


International orders welcome. For more details please see delivery (exclusions may apply)


Caving Torches !!


A selected range of durable caving backup and cave diving lights. Not manufactured by us, but the best that we have identified for various caving related applications.




Bargain Bazaar


Other interesting stuff !!









new format CustomPITLAMP 2-tone module now available. 


New format v42 (omni) and Simple modules now available. 

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Blind Bat 20/20


Limited edition high output cave photography light

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gallery/7.4v liion usb charger

7.4V USB charger for SCURION tm 


Extremely useful / essential bit of kit for caving lights using 7.4v li-ion battery packs, such as Scurion tm. 


Find it here