Nitecore NL147 750mAh 14500 Lithium-ion Rechargeable Battery - House of Lumens
NiteCore NL166 Non-standard battery (rechargeable) 16340 Li-ion 3.7 V 650 mAh | Conrad.com
16 Pack EdisonBright EBR65 type 16340 rechargeable CR123A RCR123A 3.7v protected li-ion batteries with Nitecore D4 smart digital battery charger digicharger for home & car bundle - Walmart.com