Promate Bolt-20PD Compact Smart Charging Power Bank - White / 20000mAh Li-Polymer Battery / Rapid Charging Capabilities / LCD Battery Display / Three Intelligent USB Ports / Bolt-20PD.White / Bolt-20PD.White

The Promate Bolt-20PD Compact Smart Charging Power Bank in white holds a 20000mAh high-capacity lithium-polymer battery, enough backup to keep devices running away from a wall socket. Three smart USB charging ports handle a mix of hardware, so a phone, a tablet and a set of earbuds are not competing for one connector. It is a single pack sized for a full day out rather than a top-up.

The USB-C2 port is rated at 20W and works in both directions, recharging the Bolt-20PD itself and powering a connected device. One bidirectional port means a single USB-C cable covers refilling the bank and charging a phone from it. That is the port to use when you want the fastest turnaround on the power bank.

Alongside the in and out port, a dedicated USB-C1 output gives the Bolt-20PD dual USB-C outputs. Two USB-C devices can therefore draw from the pack at the same time, with fast charging support on both, instead of taking turns. Most modern phones, tablets and earbud cases are USB-C, which is why having two matters.

A 22.5W Quick Charge 3.0 output handles rapid energy transfer to devices that support the standard. It is the highest-rated output on the pack, so it is where a compatible phone will refill fastest. Paired with the two USB-C outputs, the Bolt-20PD covers both QC and USB-C fast charging from one body.

A smart LCD display reports battery status and charging progress in real time, so the remaining charge is a number rather than a guess from four indicator dots. You can see whether there is enough left for another phone before you leave, and watch the pack refill while it is on the plug. Real-time feedback is what makes a 20000mAh pack manageable.

The Bolt-20PD keeps a compact, light and slim body despite its 20000mAh capacity, so it travels in a pocket or a bag rather than needing its own space. Portability is usually what high-capacity packs give up, and this one is built specifically for on-the-go charging. It suits commutes, flights and long days on site.

An advanced protection system guards every charge with overcharge, overheating and high-voltage protection built in. Those three are the failure modes that matter when a large lithium-polymer cell is powering an expensive phone overnight or in a hot car. The safeguards run automatically, with nothing to enable on the pack itself.