Champion Power Equipment 25-Foot 30-Amp 125/250-Volt Duplex-Style Flat Generator Extension Cord (L14-30P to Four 5-20R) - Thermoplastic - Yellow in the Generator Accessories department at Lowes.com
Honda Eu1000I, Eu200I, Eu3000 Parallel Cable Kit in the Generator Accessories department at Lowes.com
Amazon.com: BougeRV Generator DC Charging Cables for Honda Generator 16AWG with 2X 20A Pure Copper Alligators 10 Feet Cord Fit for Honda EU1000i EU2200i(Original one) EU2000i EU3000i is Replaces 32650-892-010AH : Patio,
Car start power cord Generator 12v Charging Lead Cable For Honda Generator EU2000i aStarter Charging Starting System Battery - AliExpress
Generator 12V DC Charging Cable Cord Wire For Honda EU1000i 32650-892-010AH | eBay