EF ECOFLOW Rapid 20,000mAh Power Bank, 45W Fast Charging, Built-In USB-C Cable

Keep your phone powered through a busy day of travel, work or errands with the EF ECOFLOW Rapid 20,000mAh power bank. Its built-in USB-C cable means one charging lead is ready whenever you need it.

With up to 45W charging and a digital display, it pairs practical charging speed with a clear readout of the remaining power. The gunmetal grey aluminium alloy body gives it a slim, streamlined look.

Need to charge more than one device while you’re out? The integrated cable and USB-C and USB-A ports support charging up to three devices simultaneously.

Key takeaways

The 20,000mAh capacity is designed to provide ample power for a full day away from an outlet. For a specific reference point, the product is rated to charge an iPhone 17 up to 3.87 times. Actual use depends on the device and charging conditions.

With compatible devices, output reaches 45W, the product states that an iPhone 17 Pro Max can reach 50% charge in 23 minutes. Intelligent trickle mode adapts charging for smaller devices, helping make the bank useful beyond phones.

The built-in 0.98-inch USB-C cable supports repeated bending and 90° folding, so there’s no separate lead to untangle or keep track of. A digital display shows remaining power at a glance, while the aluminium alloy body is designed to resist fingerprints and dissipate heat. X-Guard protection includes automotive-grade cells, 10-layer protection and NTC checks.

Who it’s for

This power bank suits people who want a high-capacity backup for compatible iPhone models in the 17, 16 and 15 series, as well as other USB-C devices. It’s especially useful when charging several devices is part of the day: use the built-in USB-C cable and the USB-C and USB-A ports to power up to three at once.

Compared with a power bank that relies on a separate charging cable, the Rapid keeps one USB-C lead attached and ready. That’s a practical choice for a work bag or travel kit where fewer loose accessories make charging simpler.

Tips for day-to-day use

Check the digital display before heading out to see the remaining charge. For the stated 45W maximum, connect a compatible device using a suitable USB-C charging connection. When you’re carrying multiple devices, the built-in cable and the two ports provide three charging connections in total.

Use the built-in cable for a quick phone top-up, then connect other compatible devices through the USB-C and USB-A ports as needed. The automatic trickle mode adapts to smaller devices, making the bank handy for more than a single phone. Its 20,000mAh capacity also gives you a substantial reserve for longer days away from a wall charger.

Questions before you buy

Which devices is it designed to charge? It’s listed for iPhone 17, 16 and 15 series phones and USB-C devices. Charging speed depends on the connected device, the maximum output is 45W.

Can it charge several devices at once? Yes. The built-in USB-C cable, USB-C port and USB-A port can be used to charge up to three devices simultaneously.

How can I check how much charge is left? The digital display provides a real-time view of the remaining power, so you can check the bank before setting out.

Is it worth it?

Choose the EF ECOFLOW Rapid when you want 20,000mAh of portable power in a setup that keeps a USB-C cable attached, shows its remaining charge and can serve three devices at once. Its up-to-45W output, broad USB-C use and stated iPhone charging reference make it a capable companion for busy days and travel. It also includes an 18-month warranty and dedicated customer support.