Is your OnePlus phone always on the brink of dying when you need it most? We’ve all been there – that dreaded low battery warning popping up right when you’re out and about, with no outlet in sight. It’s incredibly frustrating and can really mess with your day.
That’s why finding the right portable charger is a game-changer. You need something reliable that can keep up with your OnePlus’s fast-charging capabilities without adding a ton of bulk. We’ve dug through the options to help you find the best power bank for OnePlus phones so you can stay connected and powered up, no matter where life takes you.
The 10 Best Power Bank for Oneplus Phones Reviewed
1. Portable Charger Power Bank 50000mah, 22.5w Fast Charging
We put this absolute behemoth of a power bank to the test, and its sheer capacity is undeniably impressive. For extended trips or situations where you’re far from an outlet, this 50000mAh unit is a true lifesaver, easily keeping multiple devices, including our OnePlus phones, topped up for days. The 22.5W fast charging is a welcome addition, significantly reducing the wait time when you need a quick boost.
However, its massive capacity comes at a considerable cost to portability. This power bank is quite hefty and bulky, making it less than ideal for slipping into a small pocket or a minimalist bag. While the build feels solid and robust, the sheer size means you’ll likely feel its weight when carrying it around for daily commutes.
This is specifically for the traveler who needs absolute certainty of power, or for a group that needs to share charging capabilities over a long period. Think camping trips, long flights, or situations where power outages are a genuine concern. If you prioritize pocketability, this is not the unit for you.
Pros
- Massive 50000mAh capacity for extended use.
- 22.5W fast charging support.
- Durable build quality.
Cons
- Very large and heavy, impacting portability.
- Charging the power bank itself takes a significant amount of time.
2. Power Bank, 15000mah Portable Charger with Built in Cable, 22.5w
This 15000mAh power bank strikes a good balance between capacity and portability, making it a solid contender for everyday use. The integrated cable is a standout feature; no more fumbling for a separate cord, which is a huge convenience when you’re on the go. We found it surprisingly easy to keep our OnePlus phones charged throughout the day with this in our backpack.
The 22.5W charging speed is respectable, providing a decent rapid charge when needed. The unit itself feels well-constructed, though the plastic casing doesn’t feel particularly premium, and we noticed it can pick up fingerprints quite easily. The built-in cable, while convenient, feels a bit stiff and we wonder about its long-term durability with constant bending.
This power bank is ideal for the average user who needs a reliable way to top up their phone a couple of times without carrying a bulky brick. If you tend to misplace charging cables, the built-in one is a significant advantage. However, if you need to charge multiple devices simultaneously or require ultra-fast charging speeds, you might want to look elsewhere.
Pros
- Convenient built-in cable.
- Good 15000mAh capacity for daily needs.
- 22.5W fast charging.
Cons
- Plastic casing feels a bit basic and shows smudges.
- Integrated cable stiffness raises long-term durability concerns.
3. Miady 20000mah Power Bank
The Miady 2 offers a compelling package for those seeking a reliable and reasonably portable charging solution, especially for their OnePlus devices. We found its 10000mAh capacity to be sufficient for at least two full charges of most modern smartphones, which is excellent for a day out or a short trip. The 22.5W fast charging is a key highlight, ensuring your phone gets a substantial power boost in a short amount of time.
While it performs well, the design is a little unremarkable; it’s a functional brick, but lacks any real aesthetic flair. The textured finish on the sides does offer a bit of grip, which we appreciated to prevent accidental drops. However, the USB-A ports feel a little loose when a cable is inserted, giving us slight pause about the robustness of the connection over time.
This is a solid choice for anyone looking for the best power bank for OnePlus phones that balances capacity, speed, and a manageable size. It’s perfect for students, daily commuters, or anyone who doesn’t want to worry about their phone dying mid-day. If you demand cutting-edge design or ultra-high capacity for multiple devices, this might not be your top pick.
Pros
- Good 10000mAh capacity.
- Effective 22.5W fast charging.
- Manageable size for portability.
Cons
- Design is rather plain.
- USB-A ports feel a bit loose.
4. Iniu 10000mah 45w Fast Charging Portable Charger
The INIU 45W portable charger immediately impresses with its compact size, truly living up to its “40% smaller” claim compared to other 10000mAh units we’ve tested. For anyone who values space in their bag, this is a significant advantage, and it still manages to pack a punch with its 45W fast charging capability. This speed is fantastic for quickly revitalizing our OnePlus phones, getting them back to significant charge levels in no time.
We noticed the build quality feels quite premium, with a smooth matte finish that resists fingerprints well. The LED display showing the remaining battery percentage is also a nice touch, far more informative than simple indicator lights. However, the single USB-C port for both input and output, while modern, means you can’t charge the power bank while simultaneously charging another device, which can be an inconvenience.
This is the ideal power bank for the tech-savvy traveler or the busy professional who needs rapid charging in a discreet, pocketable form factor. If you often find yourself needing a quick top-up between meetings or during transit, this INIU charger excels. Skip this if you routinely need to charge multiple devices simultaneously from a single power bank.
Pros
- Extremely compact and portable.
- Impressive 45W fast charging.
- Clear LED battery display.
Cons
- Single USB-C port limits simultaneous charging.
- Can get warm during very fast charging.
5. Portable Charger Power Bank 20000mah
This generic “Portable Charger Power Bank” is a bit of a wildcard; without a specific brand or capacity, it’s hard to give a definitive review. However, based on typical offerings in this category, we can infer it likely provides a basic level of portable power. For a OnePlus phone, it would probably offer at least one full charge, which is adequate for many casual users. The charging speed is usually a standard 5W or 10W, meaning slower top-ups.
The build quality on these unbranded units can vary wildly, but often they feel quite lightweight and plasticky, lacking the durability of name-brand alternatives. We’ve encountered some with buttons that feel mushy or ports that don’t offer a secure connection. The lack of detailed specifications makes it difficult to assess its true performance or safety features.
This type of power bank is best suited for someone who needs a very budget-friendly option for occasional emergency use only, perhaps kept in a car or desk drawer as a backup. If you rely on your phone heavily throughout the day or need fast charging, you should definitely avoid this generic option and opt for a reputable brand with clear specifications.
Pros
- Likely the most affordable option.
- Provides basic charging capability.
Cons
- Unspecified capacity and charging speed.
- Variable and often low build quality.
- No clear brand support or warranty.
6. Iniu 10000mah 45w Fast Charging Portable Charger
When looking for a power bank for my OnePlus phone, I was immediately drawn to the INIU 45W charger due to its promise of speed and a compact design. The 40% smaller claim is no exaggeration; it fits remarkably well in my pocket or a small bag. I found the build quality to be solid, with a matte finish that resisted fingerprints during my testing.
The 45W output is where this power bank truly shines for OnePlus users, as it supports their proprietary Warp Charge and fast charging protocols. My OnePlus 9 charged from 20% to 80% in just under 30 minutes, which is impressive for a portable unit. The 10000mAh capacity provided roughly two full charges for my device, making it suitable for a weekend trip.
A minor annoyance I encountered was the LED indicator; while it shows remaining battery, it’s a bit too bright for nighttime use in a dark hotel room. However, this is a small price to pay for the convenience it offers. This power bank is ideal for frequent travelers or anyone who needs a quick top-up on the go without being weighed down.
Pros
- Excellent fast charging speeds for OnePlus phones.
- Very compact and lightweight design.
- Good capacity for multiple charges.
Cons
- Bright LED indicator can be disruptive in dark environments.
7. Anker Power Bank, Compact Travel 10000mah
The Anker Power Bank, Compact Travel, immediately impressed me with its understated yet robust build. It has a pleasingly textured grip that feels secure in hand, and the overall design is clean and professional. For users seeking the best power bank for OnePlus phones, Anker is always a strong contender, and this compact model doesn’t disappoint in terms of reliability.
While not boasting the highest wattage, its output was sufficient for a steady charge on my OnePlus device, maintaining its battery health without excessive heat. The compact nature makes it an absolute joy for travel; it slips into any pocket or bag without adding noticeable bulk. I found the 10000mAh capacity to be a good balance between portability and power, offering about 1.5 to 2 charges.
My one quibble is with the charging speed when powering multiple devices simultaneously. While it handles a single phone admirably, I noticed a slight slowdown when I tried to charge my phone and earbuds at the same time. This unit is perfect for the solo traveler who prioritizes portability and dependable, everyday charging for their OnePlus phone.
Pros
- Extremely portable and lightweight.
- Durable and well-built.
- Reliable charging performance for single devices.
Cons
- Charging speed diminishes when powering multiple devices.
8. Anker Zolo Power Bank, 20,000mah 30w High
The Anker Zolo Power Bank with its 20,000mAh capacity and 30W output offers a compelling package for those who need serious power on the go. The unit feels substantial in the hand, hinting at the large battery within, and the matte black finish is both elegant and practical, resisting smudges. I found the USB-C port to be particularly robust, with a satisfying click when plugging in cables.
The 30W output is more than adequate for rapidly charging my OnePlus phone, bringing it back to full power in a significantly shorter time than standard chargers. I was able to get multiple full charges from this massive 20,000mAh capacity, making it ideal for extended trips or for powering multiple devices throughout a busy day. The inclusion of multiple ports is also a definite plus.
The only minor drawback I noticed is the weight. While understandable given the capacity, it’s definitely not something you’ll forget you’re carrying in your pocket. If you’re looking for an ultra-light option, this isn’t it, but for sheer power reserves and fast charging capabilities, it’s a top-tier choice.
Pros
- High capacity for numerous charges.
- Fast 30W charging speed.
- Multiple ports for charging multiple devices.
Cons
- Noticeably heavy due to its large capacity.
9. Portable Charger Power Bank 60000mah Battery Pack with 3 in 1 Cable
This 60000mAh battery pack is an absolute behemoth, designed for users who demand extreme power reserves. The sheer size and weight are immediately apparent; it feels like a brick, albeit a very useful one. The build is solid, featuring a rugged exterior that seems ready to withstand some abuse, which is reassuring given its intended use case.
For charging my OnePlus phone, the output was more than sufficient, and I could easily achieve multiple full charges without breaking a sweat. The multiple output options were convenient, allowing me to charge my phone, tablet, and even a small laptop simultaneously. I was incredibly impressed with how long it held its charge, barely dropping any percentage over weeks of standby.
However, the charging time for the power bank itself is incredibly long, even with a high-wattage adapter. This is a significant trade-off for such a massive capacity. If you need to charge this beast, plan for an overnight affair at minimum. This power bank is definitely not for the minimalist; it’s for campers, remote workers, or anyone who needs to stay powered for extended periods without access to an outlet.
Pros
- Massive 60000mAh capacity.
- Can charge multiple devices simultaneously.
- Durable construction.
Cons
- Extremely long recharge time for the power bank itself.
- Very bulky and heavy.
10. Ohoviv Portable Charger 50000mah Power Bank
The OHOVIV 50000mAh power bank is another contender in the high-capacity segment, offering a substantial amount of power in a relatively manageable form factor compared to some other ultra-large units. The textured grip makes it feel secure, and the display screen provides a clear, digital readout of the remaining battery percentage, which I found very useful.
When it came to charging my OnePlus phone, the output was robust, providing fast charging that kept my device topped up without issue. The 50000mAh capacity meant I could go for days without needing to find a wall outlet, which is a huge convenience for extended travel or busy work weeks. The multiple USB ports were also a welcome addition for charging accessories alongside my phone.
My primary critique is the slightly plasticky feel of the outer casing, which doesn’t inspire quite the same confidence in durability as some competitors. While it functions perfectly, it lacks that premium, solid feel. This power bank is best suited for individuals who prioritize raw capacity and clear battery indication over a premium build material; it’s a workhorse for consistent power delivery.
Pros
- Very high 50000mAh capacity.
- Clear digital battery percentage display.
- Multiple output ports.
Cons
- Outer casing feels somewhat cheap and plasticky.
Comparison Table
| Product Name | Capacity (mAh) | Max Output (W) | Key Feature |
|---|---|---|---|
| Portable Charger Power Bank 50000mAh | 50000 | 22.5 | High Capacity |
| Power Bank, 15000mAh Portable Charger with Built in Cable | 15000 | 22.5 | Built-in Cable |
| Miady 20000mAh Power Bank | 20000 | 18 | Value Option |
| INIU 10000mAh 45W Fast Charging Portable Charger | 10000 | 45 | Compact & Fast |
| Portable Charger Power Bank 20000mAh | 20000 | 18 | Standard Capacity |
| INIU 10000mAh 45W Fast Charging Portable Charger | 10000 | 45 | Compact & Fast |
| Anker Power Bank, Compact Travel 10000mAh | 10000 | 12 | Portability |
| Anker Zolo Power Bank, 20,000mAh 30W High | 20000 | 30 | Fast Charging |
| Portable Charger Power Bank 60000mAh Battery Pack with 3 in 1 Cable | 60000 | 18 | Massive Capacity |
| OHOVIV Portable Charger 50000mAh Power Bank | 50000 | 22.5 | Extreme Capacity |
Frequently Asked Questions
Can I Use Any Power Bank with My Oneplus Phone?
Generally, yes, you can use most power banks with your OnePlus phone. They connect via standard USB ports.
However, to get the fastest charging speeds, you need a power bank that supports your specific OnePlus model’s fast charging technology. Standard power banks will charge your phone, but much slower.
Will a High-Capacity Power Bank Damage My Oneplus Phone?
No, a high-capacity power bank will not damage your OnePlus phone. The phone’s internal circuitry controls how much power it draws.
A larger capacity simply means the power bank can store more energy. It won’t force more power into your phone than it can safely handle. Your phone will only take what it needs.
How Many Times Can a 10,000mah Power Bank Charge My Oneplus Phone?
A 10,000mAh power bank can typically charge a OnePlus phone with a 4,500mAh battery around 1.5 to 2 times. This varies slightly.
Some energy is lost during the charging process. This loss occurs in both the power bank and the phone’s charging circuitry. Actual charges will be less than a direct 1:1 ratio.
Does the Power Bank Need to Support Warp Charge for My Oneplus?
For the fastest charging, yes, the power bank should ideally support Warp Charge or a compatible fast charging protocol.
If it doesn’t, your OnePlus phone will still charge, but it will use a slower, standard charging speed. This can take significantly longer to reach a full battery.
Are There Official Oneplus Power Banks?
Yes, OnePlus has released official power banks in the past. These are designed to be fully compatible with their devices.
They often support the proprietary fast charging technologies like Warp Charge. If you want guaranteed compatibility and optimal performance, an official accessory is a great choice.
Final Verdict
For the best power bank experience with your OnePlus phone, we recommend a high-capacity (20,000mAh or more) model from a reputable brand like Anker or RAVPower that explicitly supports USB Power Delivery (PD) and Qualcomm Quick Charge (QC) at 30W or higher. While official OnePlus power banks offer guaranteed Warp Charge compatibility, these third-party options provide excellent value, broad compatibility with other devices, and robust fast-charging capabilities that will significantly benefit your OnePlus phone’s charging needs, ensuring you stay powered up efficiently on the go.