Portable Charger 4smarts Slim Lithium Polymer (LiPo) 20000 mAh

The 4smarts Portable Charger Slim Lithium Polymer (LiPo) 20000 mAh is a high-capacity power bank designed to provide extended runtime for smartphones, tablets and other USB-powered devices. Its slim grey housing combines portability with a large 20000 mAh battery capacity, supporting Adaptive Fast Charging and Quick Charge 3.0 for faster energy delivery. The unit supports charging up to two devices simultaneously and is compatible with a wide range of devices thanks to universal charger compatibility.

Advantages

The slim LiPo construction reduces bulk while keeping significant energy storage, making it convenient for travel and daily commuting. Adaptive Fast Charging and Quick Charge 3.0 technologies enable reduced charging times for supported devices and the dual-output capability lets you charge two devices at once. The neutral grey finish offers a discreet, professional appearance and the charger’s universal compatibility ensures it works with most USB-powered electronics.

Suitable for

• Charging smartphones and phablets during travel or long days away from outlets
• Powering tablets and small USB devices for work or entertainment
• Keeping wearable devices and Bluetooth accessories charged on the go
• Backup power during commuting, meetings and short trips

Key specifications

• Battery capacity: 20000 mAh
• Battery type: Lithium Polymer (LiPo)
• Maximum simultaneous outputs: 2 devices
• Charging technologies: Adaptive Fast Charging, Quick Charge 3.0
• Output voltage capability: up to 20 V for fast charging modes
• Product colour: Grey
• Weight: 0.55 kg
• Compatibility: universal USB-powered device compatibility

How to use

Connect the portable charger to a power source using a compatible USB cable to recharge the internal LiPo battery. When the power bank is charged, connect your device using the appropriate USB cable to one of the outputs. If charging two devices, use both outputs and verify the devices accept the adaptive or Quick Charge profile for faster charging. Monitor the power bank’s charge indicators (if present) and recharge the unit before long trips to ensure maximum availability.

Recommendations

For optimal battery health, avoid exposing the power bank to extreme temperatures and fully depleting it repeatedly. Use manufacturer-recommended cables and charge supported devices with Quick Charge or Adaptive Fast Charging enabled to benefit from faster charging speeds. Store the unit partially charged if not used for extended periods.