Ugreen has introduced a new 45W power bank, the Rhythm Series S45 (model PB603), currently listed on JD.com in China for 199 yuan ($29). It features a standard 10,000mAh capacity and is designed to address a very common annoyance: remembering your battery pack but forgetting the charging cable. By integrating a built-in USB-C cable, it offers a straightforward solution for keeping your devices powered on the go.

Ugreen PB603 Power Bank Specifications

The device measures 152 x 71 x 29.8 mm. On the outside, it has a ripple-textured finish to help with grip and a small TFT digital display on the front to clearly show the remaining battery percentage.

The built-in 45W USB-C cable sits at the top, supports the PD3.0 fast charging standard, and features a braided finish to handle standard wear and tear. Ugreen hasn’t detailed the rest of the port selection yet.

Inside the casing, the power bank uses ATL battery cells, which are generally known in the industry for their reliability. Ugreen notes that this model includes updated battery technology aimed at extending its overall lifespan.

The company states the new model offers a 166% improvement in charge cycle longevity over its previous generation, which was rated for around 300 cycles.

For safety, it uses a proprietary Battery Management System (BMS) to monitor charging conditions. According to the company, the device has gone through over 150 testing procedures to meet China’s latest 3C safety standards.

Some of these tests are quite specific, for instance, Ugreen says the battery cell passed a puncture test with a 4mm steel needle and withstood 1.43 tons of pressure without catching fire or failing. It also reportedly survived a 135°C heat chamber test.

To keep things cool during standard 45W fast charging, the device relies on a four-layer cooling system. This includes high thermal conductivity graphene materials and an NTC intelligent temperature control system that Ugreen says performs up to 360,000 temperature checks per hour to prevent overheating.

In related news, OnePlus has recently introduced a 15,000mAh power bank with 120W fast charging and advanced battery safety technology.

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(JD)

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