300Ah 12V Outdoor High Power Lithium Battery Portable Spare Supply With Charger For Inverter Fish Finder Lighting Monitor

👍Equipped with an integrated AI Intelligent Chip System, this high-capacity lithium battery provides advanced power management and multi-layered device protection. Experience maximum stability and a long lifespan with premium Grade A+ cells.✨ Key Features🛡️【Industrial Grade Durability & Safety】🏗️Robust Metal Exterior – Engineered to be fireproof, explosion-proof, and corrosion-resistant, ensuring the casing remains intact even under pressure.🏗️Strict Testing Protocol – Every unit undergoes rigorous leakage, short-circuit, drop-impact, and high-temperature aging tests for ultimate peace of mind.🎯【High-Performance Lithium Technology】⚡Grade A+ Cells – Premium quality battery cores ensure consistent energy density and ultra-high performance for heavy-duty applications.⚡Efficient Power Delivery – Optimized for longer runtimes, making it a reliable source for high-drain electronics and essential appliances.🌪️【Multi-Functional Control Panel】🖥️LCD Smart Display – Features a high-definition screen that provides clear, real-time feedback on battery levels and operational status.🔌Dual USB Ports – Supports 5V/2A output for fast-charging smartphones and tablets without the need for additional adapters.💡【All-Weather User-Centric Design】🔦Integrated LED Lighting – Built-in high-brightness emergency light provides intense illumination for night-time outdoor activities or sudden power outages.🎒Portable & Ergonomic – Includes a robust, anti-slip carrying handle and independent switches for the main power and LED light to improve energy efficiency.🔩【Premium Pure Copper Connectivity】✨Minimal Energy Loss – Features high-quality pure copper binding posts (Positive & Negative) to ensure stable current conversion and superior conductivity.✨Multi-Point Protection – Reliable performance even in rainy conditions, making it the perfect companion for outdoor construction or RV road trips.⚙️【Product Specifications】Battery Type: Lithium-ion (Grade A+ Cells)Nominal Voltage: 12VCharging Method: Constant Current / Constant Voltage (CC/CV)Charging Time: 5–7 HoursUSB Output: 5V / 2A (Dual Ports)Dimensions: 30cm (H) x 21cm (W) x 6.5cm (D)📦 What’s Included✔ 1 × High-Capacity 12V Lithium Battery Unit✔ 1 × Dedicated Lithium Battery Charger✔ 1 × User Manual & Safety Guide🧪 Ideal ForOutdoor camping, RV trips & Night markets 🚐Boat propellers & Marine water pumps 🚢Powering car refrigerators & Drones 🚁Emergency household backup & Construction sites 🏗️Fast-charging mobile devices & Cameras 📱📢 Why Choose us?✅ Certified Safety – Built-in protections against overcharge, leakage, and short-circuits.✅ Plug-and-Play USB – Instant access to power for all your digital devices.✅ Long-Life Cycle – Grade A+ cells offer significantly more charge cycles than standard batteries.✅ Rugged Reliability – Metal housing is designed to withstand harsh outdoor environments.