Powerpack for jumpstarting stuff, also has 12v out sockets (cigar lighter type fitment), USB out charger socket, LED light, Air compressor with tyre inflator & PSI readout.
Used the thing once, got a new one for chrimbo so won't get used again in a hurry. Comes with 240v AC adaptor and a 12v in adaptor for charging, original box etc, still has the tags on it.
£35, collect from Biggleswade SG18