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The J503 Compact Jump Starter is a robust and efficient lithium-ion jump starter that provides reliable power for 12-volt vehicles. Designed for gasoline engines and diesel engines up to 10.0 liters, this powerful device is built to tackle emergencies with ease. With a 20,000 mAh battery capacity and a peak current of 6,000A, the J503 can jump-start a dead battery up to 60 times, ensuring you stay prepared on the road. Whether you're at home or on the go, this portable jump starter provides peace of mind with its multiple features and safety mechanisms.
Powerful Jump Starting: With a 20,000 mAh battery and 6,000A peak current, the J503 is designed to jump-start vehicles with gasoline engines or diesel engines up to 10.0 liters. It can safely jump-start a dead battery up to 60 times, giving you the reliability you need in emergency situations.
Boost Function for Immediate Power: The Force Starting feature is activated by pressing the "boost" button for 7 seconds. This provides additional power to start your vehicle immediately, even in extreme conditions.
Built-in Smart Clip for Safety: The J503 features a built-in smart clip that makes connecting to a 12V battery quick and safe, ensuring an easy and efficient jump-start process for all vehicles.
User-Friendly LCD Screen: The LCD screen displays key information such as battery status, operation indicators, and error prompts. The screen also includes hot/cold LED indicators to monitor the temperature of the battery for safe operation.
High-Powered Flashlight: Equipped with a 620LM flashlight, the J503 doubles as a tactical flashlight with 3 light modes: standard, SOS, and emergency strobe. This makes it perfect for roadside assistance, tire changes at night, or signaling oncoming vehicles in case of an emergency.
Extreme Weather Performance: QDSP technology improves the J503's ability to perform in extreme temperatures (-4°F to 140°F), allowing it to jump-start vehicles in the harshest conditions. The device also features spark-proof technology and reverse polarity protection for added safety.
Portable Power Bank: The J503 Jump Starter also functions as a 20,000mAh power bank, offering charging options for your devices. It includes USB-A, USB-C, and DC ports, and supports 60W speed charging, allowing you to charge your devices from 0% to 100% in under 2 hours.
Quick Charging Technology: The J503 supports 60W fast charging, charging the jump starter itself from 0% to 100% in less than 2 hours. The information screen lets you easily track the battery levels during charging.
Peak Current: 6000A
Battery Capacity: 20,000mAh
Product Dimensions: 3.92"D x 8.97"W x 1.49"H
Flashlight Output: 620LM, 3 light modes (Standard, SOS, Emergency Strobe)
Ports: USB-A, USB-C, DC ports (160W Max output)
Charging Speed: 60W speed charging (charges from 0% to 100% in under 2 hours)
Operating Temperature: -4°F to 140°F
Safety Protections: Spark-proof, reverse polarity protection, overcharge protection, short-circuit protection, and more.
1 x J503 Jump Starter
1 x Smart Clip Cable
1 x User Manual
1 x Charging Cable (USB-A to USB-C)
1 x Storage Case
🔥 30 sold in last 18 hours
Bust thing ever
Perfect
Bought it described with 12.800mah.
Nowhere in the box says how many it has.
My main reason for getting this is so when the electric goes out I still have a way to charge my phones
Good