ZMI PowerPack No 20 – Over 200W of output for up to 3 devices Summary The ZMI PowerPack No 20 offers high output and high capacity mobile charging for any size USB-C device. Recharge Time (5) Sending User Review 0 ( 0 votes) Pros Fast charges iPhone, Samsung Galaxy, Google Pixel, and other Android phones Fits in most Switch carrying cases, but takes up most of the accessory pocket Within FAA limits for lithium batteries and flights Cons Large for its capacity
Xiaomi proprietary USB-A to USB-C cable, 3.3 feet/1 meter The ZMI PowerPack No 20 is an all-in-one portable charger for anyone with a range of USB-C devices.
It fast charges my iPhone just as well as any size laptop, and all devices in between. Offering capacity over the more common 20,000mAh also allows it to support multiple devices better. The Xiaomi USB-A to USB-C cable is a unique offering but requires you to trust a proprietary standard. Check with your device’s manufacturer to verify which charging standards it supports. Using an iPhone 12 for testing, we find USB PD phones will fast charge over either USB-C port. The two USB-C ports report supporting Quick Charge as well.
My particular model Moto doesn’t support QC over USB-C, but newer Android phones likely will. Fast charges all model Nintendo Switch in handheld mode.
Nintendo Switch (original) – Charges near its max rate while playing and sleeping. Nintendo Switch (2019 update) – Charges near its max rate while playing and sleeping.
Nintendo Switch Lite – Charges near its max rate while playing and sleeping. It also supports the Switch’s dock, providing enough power for video output to your TV.
The 100W USB-C port will support up to a 16-inch laptop under any condition. The 45W USB-C port will support up to a 12-inch laptop, and many 13-inch models. The two USB-C ports have their own power circuits, which allows them to keep their full output under all conditions. If you forgo the Xiaomi cable then you’ll get full output from each port under any condition. I hadn’t heard of this cable until I received ZMI’s power bank. The cable and a proprietary 120W charger are included with the Xiaomi Mi 10 Ultimate/Memorabilia edition.
CC pins are used to establish and manage the connection between the source (charger) and sink (device) with USB-C cables. It is compatible with E-Mark, the system USB PD uses to identify greater than 60W power capabilities between charger and device. Similar changes were made to the USB-A port on ZMI’s power bank, to make it fully compatible with Xiaomi’s cable. This is typical of high output power banks and should be considered good, as it means proper safety protocols are in place.
A high temperature is more likely when charging several devices for 100W or more total output. Rest it on a non-insulating surface, such as a wooden table, and not on a bed or blanket. If the unit does throttle or shut down due to heat then disconnect the cables and allow everything to cool down. The power transfer is more efficient and lithium batteries endure less heat.
In the first phase, the current (amps) is constant, with a gradual increase in voltage.
In the second phase, the voltage (now at a higher state) is constant, with a gradual decrease in current.
If your devices don’t support PPS this tech will not affect charge performance. This portable charger supports pass-through charging under these connections:
Each USB-C port supports its normal max output (100W or 45W) It is okay when traveling with limited wall outlets, but not something you should set up at home.
UPS (uninterrupted power supply) is a similar, but difficult and more uncommon feature. During testing, I connected ZMI’s power bank to a USB-C PD wall charger.
As you can see, there was no change to voltage or current, indicating no power interruption to the phone. This feature doesn’t matter much for charging your phone, laptop, or other devices with their own battery.
But it is useful for a new Raspberry Pi 4, which uses USB-C PD for power without an internal battery. Fast charges iPhone 8/X/XR/XS/SE/11/12, Samsung Galaxy, and Google Pixel.
As well as any other Android which supports USB PD or Quick Charge. The two USB-C ports allow you to fast charge two devices of various combinations, with enough added capacity to back that up over a few hours. The power bank is quite large for its capacity, a consequence of supporting so much simultaneous output. For me, the trade-off is worthwhile, as higher total output is in short supply.
The other USB-A to USB-C cable from Xiaomi also allows for up to 100W charging. So anyone less comfortable with standard deviations may want to skip the USB-A to USB-C cable. They continue to operate as a standalone brand for niche charging accessories. Need a power bank capable of fast charging your 90-100W device, such as a MacBook Pro 16-inch.
Want a single portable charging solution for your phone, laptop, and other devices.
ZMI PowerPack 20K Pro Review
Made to maximize output while minimizing temperature and throttling. Recharge Time (5) Sending User Review 3.22 ( 63 votes) Pros Fast charges iPhone, Samsung Galaxy, Google Pixel, LG, and Motorola phones Fits in most Switch carrying cases, but takes up most of the accessory pocket USB hub function for laptops and USB-A accessories
Includes a USB-C to USB-A cable for Quick Charge devices Within FAA limits for lithium batteries and flights Cons Can’t use USB-C PD and Quick Charge at the same time Disclosure: As an Amazon Associate I earn from qualifying purchases. USB-C to USB-A 2.0 cable (56k Ohm resistor), 12 inches
With the addition of a blue LED, used for trickle charge and USB hub modes. ZMI reports a redesign of the printed circuit board. And still fits the power banks and both included USB cables. Add a Lightning cable and you’re all set for any phone or device.
Quick Charge 3.0 Capacity 20,000mAh 20,000mAh 20,000mAh Features Programmable power supply Prices are from Amazon Product Advertising API, last updated on 2021-11-30. Check with your device’s manufacturer to verify which charging standards it supports. Using an iPhone 8 for testing we find USB PD phones will fast charge over the USB-C port.
Older iPhones (4-7) can fast charge using USB-A and their regular Lightning cable. Nintendo Switch (original) – Charges near its max rate while playing and sleeping.
Nintendo Switch (2019 update) – Charges near its max rate while playing and sleeping. Nintendo Switch Lite – Charges near its max rate while playing and sleeping.
For laptops that support 65W or greater power draw, you’ll need to use the included USB-C cable.
Here the USB-C port maintains its 5-20V range and only lowers its current (amps).
To support two fast-charging devices with a power bank adds size, weight, and cost. Most smaller devices on the USB-A ports will revert to their normal charging rate.
When you disconnect devices from the USB-A port you may want to reset the USB-C connection. If plugged into a laptop it is worth a quick unplug and replug to get the extra charging speed back. The power transfer is more efficient and lithium batteries endure less heat.
In the first phase, the current (amps) is constant, with a gradual increase in voltage.
In the second phase, the voltage (now at a higher state) is constant, with a gradual decrease in current. If your phone was released in 2018 or later you can check its specs to see if PPS is supported.
If your devices don’t support PPS this tech will not affect charge performance. And with this model, you’ll be future-proofed for a future PPS device.
This means a low power draw device could get only minutes of charging. Trickle charge mode corrects for this, by forcing the power bank to stay on for a couple of hours. For ZMI’s power bank you double press the side button. After two hours the power bank will switch back to regular mode.
There’s no harm in allowing the power bank to stay in trickle charge mode for the full duration. The USB hub function in the ZMI PowerPack 20K Pro allows you to use the power bank to connect USB-A devices to your USB-C laptop. Connect the ZMI PowerPack 20K Pro to your laptop via USB-C. Press the side button on the power bank twice, turning on the blue light.
The flash drives came up promptly once connected to the power bank and the side button was pressed twice. I then tested read/write speeds against an Apple USB-C to USB Adapter. With the USB 2.0 flash drive, the difference is significant, but not severe.
And relying on the usable, if slower USB hub function of your power bank. When done with the USB hub function you’ll need to press the side button once to turn it off.
The cable includes an eMarker and supports 5A current, allowing for up to 100W. When a charger offering more than 20V/3A (65-100W) connects it checks the cable for an eMarker.
If it doesn’t detect an eMarker, then the charger assumes the cable is only rated for 3A current. So if you connect most any other USB-C cable you have to this portable charger it’ll limit itself to 60W.
I recommend marking ZMI’s cable with colored tape or by some other means. The USB-C port will fast charge iPhone 8/X/XR/XS/11, Samsung Galaxy, and Google Pixel under any conditions. For the Nintendo Switch, it charges in handheld mode as fast as any other option. Using the included USB-C cable it can offer up to 75% of the max draw rate a 15-inch MacBook Pro may demand.
The power bank’s own input remains at 45W, like the non-pro version. This isn’t a budget power bank and it includes a lot of bells and whistles.
Trickle charge/USB hub mode is good for those with watches and fitness devices. ZMI USA has U.S. based support (web, email, phone) and an 18-month warranty. They were founded in the USA and are backed financially by Zimi Corporation.
Zimi is the exclusive mobile power accessory supplier to Xiaomi. The ZMI PowerPack 20K Pro is a high-end power bank. I recommend the ZMI zPower Turbo 65W USB-C PD.
It has the same output as the power bank, making it equally good for the same USB-C devices. Be sure to check the Deals page to see if this or a similar charger is on sale.
ZMI 20K Pro 20000mAh Power Bank with 65W Output Review
It can be used as a USB Hub and a charger for your compatible devices, supporting an extensive list of gadgets, including Apple and Android products. The USB input/output ports have rapid charge technology, so you can expect this unit to be replenished in as little as 3 hours.
It’s compatible with the Nintendo Switch, iPad Pro, Mi 9, and any laptops that require upto 65W to recharge. Recharging the ZMI 20K Pro Power Bank is super easy and fast.
Pass-through charging is also supported, so you can easily recharge your ZMI Power Bank and any connected devices at the same time. The ZMI 20K Pro 20000mAh 65W Power Bank measures 6.3” long x 3.2” wide x 0.8” thick, which is similar in size to most flagship smartphones, but also a bit thicker.
Due to its slim design, you can just as easily store it away in a purse, messenger bag, backpack, or even a pouch. This device is a bit heavier, yet similar in size to the RAVPower PD Pioneer 20000mAh 60W unit (6”x 2.6”x 1”, 13.2 ounces). The ZMI 20K Pro 20000mAh 65W Power Bank has an exquisite blue outer casing made entirely out of plastic with a matte finish. There are also soft curved edges around the power bank’s structure, which improves the durability of the unit as a whole.
You will easily be able to find ZMI’s gold embossed logo on the lower portion of the front face, perfectly aligned in the center. You’ll see the charging, capacity, certificate, and recycling information printed on the back in white lettering.
All three of the USB input/output ports can be found on the top of ZMI 20K Pro Power Bank. The gold power button can be found on the right-hand side with four LED indicator lights just above it. ZMI’s 20000mAh Power Bank also has some pretty useful built-in safeguards designed to protect you and your devices against overheating, short circuit, input overvoltage, reverse voltage, output overvoltage, overcurrent, battery overcharge, and overdischarge. You’ll also be receiving a bundle of safety certifications, which include FCC, SGS, NA Listed, BC, UL 2056, UL-60950-I, DOE, CEC, and TPCH.
Xiaomi ZMI 20000mAh Power Bank
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Xiaomi ZMI 15.000mAh QC3.0 USB Powerbank
For those of you who don’t want to watch it, you’ll find the review notes, conclusion and information below the video. Let’s start off with performance regarding output current: most of the manufacturers’ specifications are met and well exceeded, except for 5V and 12V on the Type-C port. Using 20V/USB PD the output capacity is a little below typical spec, but it is still one of the better performing powerbanks I have tested. Passthrough charging is supported, but output voltage is limited to 5V on both USB-A ports.
The output capacity I measured at 5V and 12V even went past the manufacturer specs, as previously stated. You’ll also find a link to the PBCC Google Sheet so you can compare these results to the 40-something powerbanks I’ve tested before.
Xiaomi ZMI Power Bank Pro 20000mAh Review
ZMI Power Bank Pro 20,000mAh is designed to protect it from over-charging, over-discharging, short circuit, input & output overcharge, and temperature resistant. Design wise, the power bank looks really good with golden blue and aluminium alloy-shell, and oxide film on the surface.
The power bank is rather fat & heavy (around 436 grams) which is understandable as it carries that big battery inside.
But if you do your work a lot on the plane and tend to run out of battery, it’s definitely worth bringing the Xiaomi ZMI Power Bank Pro 20,000mAh on board. Xiaomi ZMI Power Bank Pro 20,000mAh is bulky and weighs almost half a kilo, but its huge battery capacity is not just for show. For important, long day events like a wedding reception or conference, the power bank is definitely a saviour.
🥇 ▷ Xiaomi ZMI Powerbank Aura 20,000 mAh: review, disassembly, testing
The ZMI Aura QB822 external battery is designed for users who value mobility and time. Small dimensions are combined with a huge capacity, and the technological “filling” allows you to quickly charge your discharged gadget. : there is Protection : From overheating, from short circuit, from overvoltage at the input, with improper use of connectors, from overload of the output current, from overvoltage at the output, from overcharging, from overload and short circuit at the hardware level.
: From overheating, from short circuit, from overvoltage at the input, with improper use of connectors, from overload of the output current, from overvoltage at the output, from overcharging, from overload and short circuit at the hardware level.
Upon receipt, I was a little disappointed, a cheap cardboard box is in no way associated with an expensive technological device. On the reverse side you can find a brand with a protective layer, which allows you to check the product for originality.
PowerBank turned out to be really compact, especially if it takes into account the capacity of 20,000 mAh. Outwardly, it is quite simple and has the shape of a rectangular brick with slightly rounded edges.
The case is made of rough plastic, an invoice pattern is applied on the sides, which provides a more reliable grip and prevents the device from slipping out of hands.
A power button was placed on the right side, it also activates the screen in order to find out the remaining charge level.
It shows the current battery level, as well as the mode in which it works (gives a charge or receives). But if you unscrew the load to the maximum, for example, set the current to 4A in 5V mode, then after a couple of seconds the protection will work and the power bank will turn off.
When charging 2 devices at once, Power Bank switches to 5V mode on its own and can total 4.5A to all ports (divided proportionally). Usually, the manufacturer does not indicate such information, but in ZMI Aura it can be found directly on the box. Then I set the maximum current strength that the USB A connector allows – 2.4A and ran the test again, but the drained capacity remained the same. The third experiment I conducted with imitation of QC 3.0 mode: voltage 9V and current 2A (usually smartphones no longer take).
It was possible to merge 67.37 Wh (we don’t look at the capacity in mAh anymore, because the tester considers it incorrect in this mode). The capacity turned out to be a little less, to be precise at 5 Wh, but it should be so, because part of the energy is also spent on voltage conversion.
My Teclast X4 with Power Delivery support charges perfectly through the type C connector and does it no longer than it does from the network. ZMI Aura also supports small current charging, to safely recharge the energy of devices such as fitness bracelets and bluetooth headphones.
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