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Romoss PMT40 (PMT40-182-2133H)

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A universal powerbank with increased capacity for charging/powering smartphones, tablets, laptops with a USB-C power connector and other USB-compatible devices. Positioned as a mid-price product of 2024. Suitable for demanding users who need a backup power source capable of delivering up to 65 W (3.25 A / 20 V) through the USB-C port. Equipped with Li-Ion elements with a declared total capacity of 40,000 mAh. At a voltage of 5 V, the actual capacity is 25,160 mAh or 148 W h. In addition to the impressive capacity, among the key features of the model, it is worth noting a built-in LED flashlight to create diffused lighting, an elegant exterior design with a carrying handle, the ability to simultaneously charge up to 3 gadgets and support for popular fast c...harging technologies, incl. Qualcomm Quick Charge 2.0/3.0, Power Delivery 2.0/3.0, Samsung Adaptive Fast Charging and Huawei FastCharge/SuperCharge. The Romoss PMT40 powerbank can become a reliable assistant for users who need a capacious energy source in field conditions. In addition to charging laptops, smartphones and tablets, such a powerbank can effectively power network equipment (routers, modems, etc.), charge drone batteries, mobile Bluetooth speakers, mobile game consoles, cameras and other gadgets. The powerbank itself supports fast charging Power Delivery 3.0 via USB-C (up to 65 W) or Apple Lightning (22.5 W).
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Romoss PMT40
Colour
Battery capacity40000 mAh
148 W*h
Real capacity25160 mAh
Battery typeLi-Pol
Charging gadgets / outputs
USB-C1 pcs
USB-A2 pcs
USB-C165 W
USB-A122.5 W
USB-A222.5 W
Power output (all ports)15 W
Power bank charging
Power bank charging inputsUSB-C
Apple Lightning
Power bank charge power65 W
Features
Fast chargeQuick Charge 3.0
Power Delivery 3.0
Bundled cables (adapters)USB-C
Featureslamp
General
Body materialplastic
Dimensions162x81x61 mm
Weight1000 g
Added to E-CatalogOctober 2024
P/N
PMT40-182-2133H

A universal powerbank with increased capacity for charging/powering smartphones, tablets, laptops with a USB-C power connector and other USB-compatible devices. Positioned as a mid-price product of 2024. Suitable for demanding users who need a backup power source capable of delivering up to 65 W (3.25 A / 20 V) through the USB-C port. Equipped with Li-Ion elements with a declared total capacity of 40,000 mAh.

At a voltage of 5 V, the actual capacity is 25,160 mAh or 148 W h. In addition to the impressive capacity, among the key features of the model, it is worth noting a built-in LED flashlight to create diffused lighting, an elegant exterior design with a carrying handle, the ability to simultaneously charge up to 3 gadgets and support for popular fast charging technologies, incl.

Qualcomm Quick Charge 2.0/3.0, Power Delivery 2.0/3.0, Samsung Adaptive Fast Charging and Huawei FastCharge/SuperCharge. The Romoss PMT40 powerbank can become a reliable assistant for users who need a capacious energy source in field conditions. In addition to charging laptops, smartphones and tablets, such a powerbank can effectively power network equipment (routers, modems, etc.), charge drone batteries, mobile Bluetooth speakers, mobile game consoles, cameras and other gadgets. The powerbank itself supports fast charging Power Delivery 3.0 via USB-C (up to 65 W) or Apple Lightning (22.5 W).

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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At first glance, it looks like a power bank of disgrace. Be careful in Allo stores
23 December 2025 
The packaging is of decent quality, convenient design, pleasant materials. The power bank itself looks more compact than I thought based on the description. It's hefty, but not NAVY. I don't know if it's plastic or metal, but it looks nice. It was charged at 83%, after powering a 12V, 1A router for a day, it discharged to 62%. That's about 2% per hour, which meets expectations. The instructions say to discharge to zero - that could take a week. Just in time to order a fast-charging cable because the included one was stolen during the product pickup at the Allo store in Zlata Plaza, Rivne. Out of the box, the power bank and included cable were taken out to connect the phone and check if it worked. After checking, the power bank was packed again, but they "forgot" to put the included cable back in the box. When I raised this issue at the store today, they insisted that there was never a cable included, claiming the manufacturer changed the package contents without notice. That's a lie because the recipient saw it with their own eyes. And in reviews of this model on Rozetka and Allo, there are more than a few "unboxing" videos showing the included cables. They suggested buying a fast-charging cable from them. I will buy, of course, but definitely not from them. I'm no longer a buyer at Allo and I warn others. It's hard to understand the motivation to swipe cables from boxes. I get that times are tough, everyone survives as they can, but a 100W cable can be ordered online for about 4 EUR. Is it really worth hitting rock bottom for that amount?
Good, the declared capacity is similar to the truth
I would like more information on the display. For example, regarding the current operating mode. At the product pickup in the Allo Rivne store at Zlata Plaza, the included cable was stolen.
If you don’t need a 220V outlet, but just a capacious can, then this is probably the best one.
26 October 2025 
Great power bank. I bought it to use as an uninterruptible power supply for my router and ONU. Given that my router (Xiaomi BE7000) is quite power-hungry, I didn't consider any mini UPS with 5-10k mAh. This wonder has been working for over a year now. It performs well during outages. Charges pretty fast. This isn't my first Romoss power bank. The previous, less capacious ones are still lying around at the country house. No issues with them over time either.
Capacity, pass-through charging mode, power, assembly, LIFEPO4, passive cooling (nothing makes noise, doesn't spin).
I'd like a brighter flashlight. If they've already squeezed one in, they could have made it more powerful, but that's just nitpicking.
Max Lightuse Romoss PMT60 more than year
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