Features 1. Start a dead battery: Use this compact but powerful ampere lithium battery starter to safely start a dead battery in seconds. 2. Safe and easy to use: A safe and easy-to-use car starter and starter kit, without worrying about connection errors or sparks. Our error proof design features fire-resistant flower technology and reverse polarity protection function, which can be safely connected to the corresponding vehicle. 3. Multifunctional: It is a car starter, portable power bank, and LED flashlight. Charge smartphones, tablets, and other USB devices. It can be easily charged through any active USB port. 4. Advanced design: Our most advanced car battery charger starter. Adopting high discharge lithium technology, it can operate safely under any climate conditions. The rubber coated shell can prevent surface scratches or damage. Ultra compact and lightweight design. 5. The packaging box contains: portable car starter, heavy-duty booster clip, and three in one connector. Specification Cell type: Power polymer cell (three string) Nominal capacity: (actual 4500) Input voltage and current: 5V/2A Output voltage and current: 5V/2A Scope of application: Mobile phones, PSP, tablets, MP4, PMP, GPS, etc Battery level display: Tap the touch switch to show the remaining battery level. Suitable displacement: gasoline cars below 2.0 Material: ABS Color: Black & Red Size: 17 x 11 x 9 cm Weight: 460 g Regarding startup precautions: 1. Do not start continuously. The startup time should not exceed 5 seconds. If the startup is unsuccessful once, wait for 30 seconds before restarting! 2. The new device has virtual power and cannot be used directly. Please discharge it first and then fully charge it (keep the battery level above 75%) at least once a month. 3. When charging, stay away from flammable materials such as sofas and curtains. After fully charging, promptly remove the charging port. 4. Please store the product in a cool and ventilated place, away from flammable and explosive materials. Do not expose it to direct sunlight or store it at high temperatures. 5. Please do not disassemble the host by yourself and keep it out of reach of children to avoid safety accidents. Package Include: 1x Multi-Function Car Jump Starter