Ordered one of these
It is a battery booster (jumpstarter) torch and mobile charger all for £14.99 but for free delivery you need Amazon prime or spend over £20
Has good reviews so fingers crossed as my old jump pack is knackered.
link
https://www.amazon.co.uk/Portable-12000mah-External-Combining-Cellphone/dp/B015R50M6E/ref=pd_sim_sbs_107_1?_encoding=UTF8&psc=1&refRID=T3M0V7GTG1489DYVJXB8