CustomDUO Shop

CustomDUO Shop 


We will be closed 24th Oct 2023 - 27th Oct 2023

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. 


International orders welcome. For more details please see Delivery 

We are shipping to the EU as normal.  We generally post the next working day. However, delivery within the EU is slow at the moment!  Sorry, this is beyond our control, and thanks for your patience. Import charges may apply to orders delivered outside of the UK. No deliveries to Russia


Please check that your Paypal postal address is correct. We must post to address provided for protection of our customers

CustomDUO modules

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

CustomPITLAMP modules

LED upgrades for mining lamp conversions

Flippin-Tec modules


LED upgrades for Underwater Kinetics dive lights

3.7V li-ion USB chargers (new)


Full range of USB chargers for 3.7v li-ion battery arrangements. USB-A, micro USB and USB-C. Perfect for very latest caving light tech, such as Rude Nora lamps and Filthy Edna lamps, or other 3.7v li-ion charging requirements.      


Find it here

Bargain Bazaar


Other interesting stuff !!