【Dual-Purpose Trickle Charger & battery maintainer】This intelligent trickle battery charger is suitable for cars, motorcycles, boats, lawn mowers, RVs, and more. Safeguard 6V/12V lead-acid batteries (AGM/GEL/SLA/Wet) and 12V Lithium LifePO4 batteries (with BMS), and extend lifespan with 5-stage charging. This battery maintainer 12 volt ensures seasonal storage by integrating pulse charging to break down sulfate crystals and foat charging to stabilize voltage, effectively preventing sulfation. 【Multiple modes & Easy to use】The 6v / 12v battery charger has multiple modes. In addition to the charging and maintenance modes, also has repair mode that can repair sulfation and over-discharged batteries. The car battery charger features a memory function that automatically reactivates your last-used mode without manual reselection. Featured detachable alligator or ring connectors with 10A fuse, total cable length is 10FT ( AC power cord is 8FT , DC output cable is 2FT). 【Advanced Safety & Durability】LST trickle charger for car battery is not only easy to use, but also safer with multiple protections. Reverse polarity, spark-proof connection, over-voltage/current, and water/dust resistance for outdoor use. An integrated thermal sensor detects the ambient temperature to prevent overcharging. Automatically switches to float mode after fully charging the battery by MCU-chip, ideal for long-term maintenance of car batteries and lawn equipment batteries. 【Smart Diagnostics & Portability】Intuitive LED Indicator - LST 6/12 volt battery maintainer charger provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. You can easily check the battery's condition, including charging, fully charged, and maintenance status. Input 100-240V, ultra-compact and lightweight, easy to carry the motorcycle charger everywhere. 【Why Choose Us】① Proven Performance: Trusted by 500K+ users for reliable 12v trickle charger for car battery. ② Light Weight, Easy Storage. ③ After-sale service: LST smart battery charger offer 3-Year quality assurance & 12-Month re-fund & timely 24/7 after-sale services. ★How to contact us: Please contact us via "Account Services" - "Order History" - "Contact Seller".