Freepower power bank Kostka Synchro SC2 with PC output socket, model SB1798

Freepower Kostka Synchro SC2 is a portable power bank designed to provide external power to mobile devices and compatible laptops through a dedicated PC-style output socket. The unit combines a compact cubic form factor with multiple output options to support on-the-go charging and short-term power delivery for peripherals and equipment that accept a barrel-style DC connector. It is intended for travel, field work, remote meetings, and emergency backup when access to mains power is limited.

Advantages

The power bank offers a dedicated PC output socket that enables connection to devices requiring a barrel DC plug, expanding compatibility beyond standard USB-powered electronics. Its compact cubic design makes it easier to carry and position on a desk or in a bag, while providing stable output suited for small laptops, routers, and other peripherals. Built for mobility, the unit supports quick connection and delivers consistent power without complex adapters when the target device matches the connector type.

Suitable for

• Charging or powering laptops and notebooks that accept a PC-style barrel DC input
• Powering portable routers, network equipment, or small appliances with compatible DC input
• Mobile work, travel, and remote site setups where mains power is unavailable
• Emergency backup for devices requiring external DC power

Key specifications

• Form factor: compact cubic (portable power bank)
• Output types: dedicated PC-style barrel DC socket plus standard USB outputs (where applicable)
• Intended use: external power supply for compatible laptops, peripherals, and USB devices
• Mobility features: lightweight, pocketable design for travel and field use

How to use

Verify that your device accepts a compatible barrel DC connector and that the required voltage and polarity match the power bank's output specifications. Connect the power bank's PC-style output cable to the device's DC input socket and switch on the bank if a power button is present. For USB-chargeable devices, use the appropriate USB output ports and cables. Monitor device charging and disconnect when the battery is sufficiently charged or when the power bank indicates low remaining capacity.

Usage recommendations

To ensure safe and reliable operation, confirm compatibility between the power bank's DC output voltage/polarity and your device before use. Avoid using adapters of uncertain specification, and store the unit in a dry environment. Regularly recharge the power bank when not in use to maintain battery health and check cables for wear to prevent connection issues.