CustomDUO Shop

Rude Boxes !!

A range of durable waterproof battery boxes, designed and manufactured in the UK pricipally for caving lights but equally suitable for other applications.

If converting a Petzl Duo to run from li-ion batteries then see our guidance notes

Nora 'clippity clip' ABS battery box

The right hand RH cable gland version is well suited to conversion of Petzl Duo to li-ion, using a 3.7v 1s2p li-ion 18650 battery pack.

Available at Lil' Monkey Battery Boxes (can be added to same shopping cart as Customduo stuff)

£60

Edna battery box

A neat solution for converting Duo to li-ion. You can use a single regular individual 18650 battery.

Available at Lil' Monkey Battery Boxes (can be added to same shopping cart as Customduo stuff)

£45

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 delivery

Please note that we are a small manufacturing business. Officially we work Mon-Thurs (excluding public holidays). If closed for holidays etc we will provide notice on CustomDUO calendar.

We aim to despatch CustomDUO stock products within two working days, and generally the next working day. We make every effort to keep our on-line stock availability right up to date (and generally don't get caught napping). When placing an order, please ensure that your delivery details are correct, and also that your email address is current, so that we can keep you informed on order progress.

Before purchasing any Customduo product please ensure that you have read and accept the terms