300A Heavy Duty Battery Disconnect Switch (12V-48V) & 2 AWG Cable Kit Combo: IP67 Waterproof Cut Off Isolator + 1FT Pair OFC Pure Copper Inverter Wire w/3/8” Lugs for Auto Solar Marine RV Boat

300A Heavy Duty Battery Disconnect Switch (12V-48V) & 2 AWG Cable Kit Combo: IP67 Waterproof Cut Off Isolator + 1FT Pair OFC Pure Copper Inverter Wire w/3/8” Lugs for Auto Solar Marine RV Boat

• 【Zero-Noise Safety Guardian】 Our 12V battery disconnect switch used for 12-48 VDC systems to isolate and secure the electrical system, operates silently with no humming or buzzing, ensuring peace of mind while maintaining ultimate protection. It instantly cuts power to prevent battery drain, electrical fires, and accidental discharge – perfect for cars, RVs, boats, and solar systems
• 【3-Minute Hassle-Free Install】 Pre-drilled holes and universal 12V compatibility let you secure your electrical system in minutes –Step 1: Disconnect the battery and choose the negative cable; Step 2: Choose the proper mounting position for the switch; Step 3: Connect the positive and negative cables ( DO NOT ATTACH AT THE SAME TIME to shut off the switch ), then install the switch; Step 4: Reconnect the battery and check for correct operation
• 【Battery Life Defender】 Eliminates parasitic drain by 100% isolating batteries during storage. Protect your RV/marine battery from winter kill or theft while preserving power for emergency starts. Battery Power Shut Off Switch features clear ON/OFF markings and an audible click for confident operation
• [Pure Copper Material] The 2 awg battery cable is made of high-precision pure copper material (red cable positive, black cable negative) with extremely high conductivity and low loss, which can easily achieve parallel/series connection of dual batteries in trucks, RVs, and ships, ensuring stable and reliable power transmission.
• [Battery Cable Lugs] 3/8" tin plated pure copper terminal (M10), with precision factory crimping, equipped with 3:1 ratio heat shrink tubing, highly sealed welding cable with corrosion resistance and oxidation resistance (suitable for outdoor and marine applications), zero voltage drop in humid/high humidity environments. Pre-crimped terminals save installation time. M10 is suitable for most inverters and battery studs.