(NOT for 5V ❌ version.). Compatible devices NOCO XGC4 56W Boost Power Adapter for GB70 GB150 GB250 GB251 GB500 UltraSafe Lithium Jump Starters. Item model number XGC4. Noco gb70 lead, noco charging cable NOCO Boost UltraSafe Lithium Jump Starters models - GB70, GB150, GB250, GB251 GB500 noco adapter power cable⚠️⚠️ Doesn't fit GB20 GB30 GB40 GB50 ⚠️⚠️ Doesn't fit Boost X Series GBX45 GBX55 GBX75, which need USB-C charging port.
eBay