Power bank Green Cell GC PowerPlay20 20000mAh, 2× USB-A, 2× USB-C

The Green Cell GC PowerPlay20 20000mAh power bank supplies portable charging for smartphones, tablets and other USB-powered devices. With a high-capacity 20000mAh battery and a compact rectangular housing, it balances long runtime with everyday portability. The unit features two USB-A and two USB-C ports, enabling simultaneous charging of multiple devices and flexible connection options for current mobile accessories.

Advantages

The power bank combines a large energy reserve with multiple output ports to support charging several devices at once. USB-C ports allow modern reversible connections and can support higher current delivery where compatible devices and cables permit. The device is designed for repeated daily use and for travel scenarios, providing extended runtime without frequent access to mains power. Its straightforward interface and status indicators simplify battery level checks and charging control.

Suitable for (tasks / use cases)

• Charging smartphones and feature phones while commuting or traveling
• Powering tablets and portable media players during long trips or work sessions
• Providing backup power for Bluetooth headsets, wearables and small USB accessories
• Temporary power source during meetings, fieldwork or outdoor activities

Key specifications

• Battery capacity: 20000mAh (nominal energy storage for repeated device charges)
• Output ports: 2 × USB-A, 2 × USB-C for simultaneous multi-device charging
• Input/Output flexibility: USB-C supports bi-directional connection for charging and discharging with compatible devices
• Form factor: portable rectangular power bank designed for handheld carrying and storage in bags
• Indicators: LED status indicators for remaining charge and charging status

How to use

Charge the power bank before first use using a compatible USB-C charger and cable until the LED indicators show full charge. To charge a device, connect it to one of the USB-A or USB-C output ports with the appropriate cable. If multiple devices are connected, the power bank will distribute available power among outputs. Monitor the LED indicators to check remaining capacity and recharge the power bank when indicators show low battery. Follow device manufacturer guidance for cable selection to ensure optimal charging speed.

Usage recommendations

Store the power bank in a dry, cool place and avoid exposing it to extreme temperatures. Use certified cables and compatible chargers to maintain charging efficiency and safety. Recharge the unit periodically if not used for extended periods to preserve battery health. Do not disassemble the device or expose it to liquids; refer to the product manual for safety and maintenance details.