Kannettava varavirtalähde RealPower PB-4000, 4000 mAh

The RealPower PB-4000 Fashion is a compact portable battery in a leather-look housing with a nominal capacity of 4000 mAh. Measuring 112 x 57 x 13 mm, this slim powerbank is easy to carry and stores conveniently in a pocket. It provides a single USB Type-A output with up to 2 A output current and indicates the remaining charge with an LED status light. The device includes protection functions against overcharging and deep discharge.

Advantages

The RealPower PB-4000 combines a slim, pocketable design with a 4000 mAh lithium polymer cell, supporting universal charger compatibility and a 2 A USB-A output. The LED status indicator shows the current charge level, while built-in protection circuits guard against excessive charging and discharging. Available in silver and blue finishes.

Suitable for

• Charging smartphones and small tablets on the go
• Emergency top-ups during travel or commuting
• Everyday pocket power for short trips and outings

Key specifications

• Battery capacity: 4000 mAh
• Output: 1 × USB Type-A, up to 2 A
• Dimensions: 112 × 57 × 13 mm
• Number of simultaneous devices: 1
• Colours: Silver, Blue
• Protection: overcharge and deep-discharge protection

How to use

Connect your device to the powerbank using a compatible USB-A to device cable. The PB-4000 will begin charging automatically; monitor the LED status light to check remaining charge. After use, recharge the powerbank with a suitable USB charger. Ensure the powerbank is fully charged before long trips.

Recommendations

For optimal battery life, avoid exposing the powerbank to extreme temperatures and recharge it periodically if not used for extended periods. Use only compatible cables and chargers rated for the device.