The OnePlus Slim Magnetic Power Bank has been released. It launched in China in late 2024 and became available in global markets in early 2025. This article details its release timeline, specifications, compatibility, and how it compares to similar magnetic power banks.
Release Timeline and Availability
OnePlus first teased the Slim Magnetic Power Bank in October 2024 alongside the OnePlus 13 series. It officially went on sale in China on November 1, 2024, priced at Â¥199 (about $28). The global rollout followed in January 2025, with the power bank appearing on OnePlus’s official website and through Amazon in the US and Europe. It is sold under the OnePlus brand, not as a subsidiary like Oppo or Realme.
Key Specifications
The power bank is designed to be ultra-thin, measuring just 10.4 mm thick and weighing 120 grams (4.2 ounces). It has a 5,000 mAh battery capacity, which is typical for magnetic power banks because larger batteries would make the device too heavy to stay attached to a phone magnetically. It supports 15W fast charging via the magnetic wireless pad, and also has a USB-C port that supports 20W wired output. The USB-C port can also be used to recharge the power bank itself, with a maximum input of 20W.
- Battery capacity: 5,000 mAh (typical)
- Wireless output: 15W (magnetic)
- Wired output: 20W via USB-C
- Input: 20W via USB-C
- Dimensions: 105.5 x 66.6 x 10.4 mm
- Weight: 120 g
Compatibility with OnePlus and Other Phones
The power bank uses Apple’s MagSafe-style magnetic alignment, so it works with any phone that has a built-in magnetic ring or a magnetic case. For OnePlus phones, only the OnePlus 13 and OnePlus 13 Pro have built-in magnets. Older OnePlus models like the OnePlus 12 do not have magnets, so you would need to attach a magnetic ring adapter (sold separately) to use the wireless charging feature. The power bank also works with iPhones (iPhone 12 or newer) and Android phones that support Qi wireless charging, as long as they have a magnetic case or ring.
Charging Speed and Efficiency
The 15W wireless output is the maximum for magnetic power banks, but actual charging speed depends on the phone. For OnePlus 13, the phone’s wireless charging coil supports up to 50W, but the power bank only provides 15W. This means it will charge a OnePlus 13 from 0 to about 50% in roughly 1 hour. For iPhones, it charges at 7.5W (the standard for iPhone wireless charging), which is slower. The wired 20W output is useful for charging a phone quickly via cable, but note that the total output is limited to 20W, so you cannot charge a phone wirelessly and wired at the same time at full speed.
Design and Build Quality
The power bank has a slim, pebble-like design with a soft-touch matte finish. It has a small LED indicator on the side that shows charging status and battery level. The magnetic array is strong enough to hold a phone securely, but it may not hold through a thick case. The USB-C port is located on the bottom edge, and the power bank supports pass-through charging, meaning you can charge the power bank and your phone simultaneously. The device complies with USB Power Delivery (PD) and Qi wireless charging standards.
Common Problems and Misconceptions
One common misconception is that the power bank can charge a phone at 15W wirelessly on any phone. In reality, 15W is only supported by OnePlus and Oppo phones that have the proprietary wireless charging protocol. Other phones will charge at standard Qi speeds: 7.5W for iPhones and 5W to 10W for most Android phones. Another issue is that the 5,000 mAh capacity is not enough to fully charge a large phone like the OnePlus 13 (which has a 6,000 mAh battery). Expect about a 70% charge from 0%. Also, the power bank does not include a charging cable in the box, so you need to supply your own USB-C cable for recharging.
Comparison with Other Magnetic Power Banks
Compared to the Apple MagSafe Battery Pack (which was discontinued in 2023), the OnePlus offers higher wireless output (15W vs 5W) and a USB-C port for wired charging. Compared to Anker’s 5,000 mAh magnetic power banks, the OnePlus is slightly thinner and lighter, but Anker models often include a foldable stand. Samsung’s 10,000 mAh magnetic power bank offers more capacity but is heavier and thicker. The OnePlus is competitively priced, often under $40, making it a good value for OnePlus 13 owners.
Cost and Where to Buy
The official retail price is $39.99 in the US and €39.99 in Europe. It is available from OnePlus’s website, Amazon, and select electronics retailers. Prices may vary by region and promotions. It is also sometimes bundled with the OnePlus 13 in promotional offers. When buying, ensure you get the genuine product to avoid counterfeit issues, as fake magnetic power banks may have weaker magnets or lower capacity.
Safety and Charging Tips
To maximize battery life, avoid letting the power bank fully discharge before recharging. Use a USB-C cable that supports Power Delivery for fastest recharging. The power bank has over-temperature, over-current, and short-circuit protection. Do not expose it to water or extreme heat. When using a magnetic ring adapter on a non-magnetic phone, ensure the ring is aligned with the phone’s wireless charging coil (usually in the center) to avoid inefficient charging or overheating.
Frequently Asked Questions
Is the OnePlus Slim Magnetic Power Bank compatible with iPhone? Yes, it works with iPhone 12 and newer models. It will attach magnetically and charge wirelessly at 7.5W, which is the standard for iPhones. It also charges via USB-C at 20W.
Does it come with a cable? No, the power bank does not include a USB-C cable. You need to provide your own cable to recharge the power bank.
Can I charge my phone and the power bank at the same time? Yes, you can plug the power bank into a wall charger via USB-C and place your phone on the magnetic pad. The power bank will charge your phone first, then recharge itself.
How long does it take to recharge the power bank? With a 20W USB-C charger, it takes about 1.5 hours to fully recharge the 5,000 mAh battery. With a 10W charger, it takes about 3 hours.
Will it work with a thick case? Magnetic attachment may be weak if the case is thicker than 3 mm. For best results, use a case with built-in magnets or a thin case. You can also use a magnetic ring adapter on the outside of the case.
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