https://www.fasttech.com/products/1601/10002364/1319307
https://budgetlightforum.com/t/-/18936
fasttech sells a clip for it too
https://www.fasttech.com/products/1281100
https://budgetlightforum.com/t/-/15236
This is a really nice light for the money
best bang for your buck on batteries is
20$ light 20$ batteries and a charger 2 $ for a clip
and then maybe this >https://www.fasttech.com/products/0/10002766/1205801-fandyfire-hd2010-cree-xm-l-t6-5-mode-led-flashligh