Nitecore 18650 3.6 V, 3500 mAh Lithium-ion Protected Battery (NL1835)
Rechargeable slot single USB Battery charger and SoShine 18650 battery set | Evergreen Rabbit Control
Li-ion 3.7V 9800mah 18650 Battery x 4 - £19.95 - Satellite TV Shop GB
3000mAh NiMH Rechargeable Battery POWO18B, 3.7V Large Capacity Batteries with Case, Perfect for Flashlight, Camera, Small Fan, Doorbell, Toys, Headlamp, and Other Battery Operated (4pack, Red): Amazon.co.uk: DIY & Tools