Battery Charger (6) - SAE Ring Terminal Harness [ Compact, Smart & Durable ] - It can charge all types of 12V lead-acid batteries, including flooded or sealed maintenance free batteries (AGM & gel cell). It's the best smart charger for automotive, motorcycle, marine, RV, Powersport, lawn&garden, children toys, etc. [ Fully Automatic ] - No need of any manual operation, just plug and leave it for charging and maintaining your batteries automatically for long time. The microprocessor controlled program will monitor the whole charging progress and automatically stop when the battery is fully charged. Then it will monitor the battery voltage and maintain the battery with a float charging current. Zero output ( 0 Volt on DC port ) in standby mode without connecting with the battery to save energy. [ Multi-level Safety Protection & Battery Rescue ] - Micro-processor Controlled program. No worry about overcharge, short circuit and reverse polarity. Spark-free technology applied. Featured Constant Pulse Current Maintenance function helps the battery avoid excessive charge and discharge. It will extend the battery life and recover batteries more effectively. [ SAE Quick Release Adapters ] - With SAE quick release connection options: Ring Terminals (7.5amp fused for safety protection) or Alligator Clips. With the ring terminal harness connecting with the battery permanently, it's so easy to connect the charger by the SAE adapters when needed. Fuse protection will avoid danger of short circuit or overload. [ Energy-save & International Standard ] - Energy Saving design with one LED indicator to display different charging status. Certified by CE, RoHS, UL and CEC. Conform to the CEC (CALIFORNIA ENERGY COMMISSION) standard - BC mark. ONE YEAR LIMITED WARRANTY AND 100% SATISFACTION SERVICE - Hassle-free return or refund for any product quality issue. 100% satisfaction service and technical assistance will be provided by contacting our professional customer service team.