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RETMSR

Portable Charger, Power Bank 30000mAh Battery Pack with 22.5W Fast Charging, 4 Outputs External Charger PD 20W USB C for iPhone, Samsung, Pad Mini, and More

  • Based on 3,974 reviews
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Availability: 20 left in stock
Fulfilled by Amazon
Arrives Thursday, Sep 25
Order within 23 hours and 36 minutes
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Color: Black


Features

  • Ultra High Cell Capacity: Portable phone charger installed massive 30000mAh Li-ion battery pack, can charge 10 times for iPhone 8, 7 times for iPhone 12, 6 times for Samsung S9, 3 times for Pad mini 5, also works for other device like headphones, speakers, game switch.
  • High Speed Charging: USB-A1 22.5W and PD 20W USB C output, USB-A1 can full charge your Galaxy S9 in 40 min, can charge 4 devices simultaneously. With micro USB 18W, Type-C 20W dual input methods, only need 6H to refuel this power bank by 20W adapter.
  • Bright LED Flashlight: Embedded 4 led beads make uniform light, 1.2W 120 lumen 120H long lasting, has strong, soft, SOS, strobe four modes, helps you send emergency signals, widely for camping, hiking, car repair, machine tools and other.
  • Durable Enough: The premium battery can be charged and discharged many times, intelligent protect system, adapt the highest-grade PC shell material, anti pressure and scratch. Proper 6.77x3.43x1 inch size, 1.03 lb light weight, comfortably fit in your palm or bag.
  • What You Get: 1x 30000mAh portable charger, 1x Type-C cable, 1x user manual, We have 7 Day/ 24H friendly customer service. If you have any problems, please let us know at any time and we will solve it within 12H, thanks.

Description

Features: Capacity: 30000mAh Output(USB-A1): 5V/4.5A, 5V/3A, 9V/2A, 12V/1.5A(SCP 22.5W) Output(USB-A2): 5V/3A Output(USB-A3): 5V/3A Output(Type-C): 5V/3A, 9V/2.22A, 12V/1.66A(PD20W) Input(Micro): 5V/2A, 9V/2A, 12V/1.5A(QC18W) Input(Type-C): 5V/3A, 9V/2A, 12V/1.5A(PD18W) Dimension: 17.2x8.7x2.5cm/6.77x3.43x1 inch Weight: 470g/1.03 lb Portable Battery Charger Excellent Compatibility: Suit for iPhone Android cell phones, such as iPhone XS Max, iPhone 11, Samsung Galaxy Note10, Galaxy S20, Google pixel 4a, pixel 6. also for tablet mini 4, tablet air 2, radio, Bluetooth headphones, bike light, and more. 30000mAh High Capacity: Built in 30000mAh premium Li-ion battery cell, can charge 10 times for iPhone 8, 7 times for iPhone 12, 6 times for Samsung S9, 3 times for Pad mini 5, keep you electronics Full all day. Long Lifespan: Overcharge, over current, over discharge, short circuit, overheating protect, LED battery indicator blink when power is less than 10%, 30 seconds auto off without operation, CE and UL 2056 certificated, recharge and discharge many times. Compact Portable Charger: Made of sturdy ABS and PC material, comfortable grip on your hands, anti impact, 1.2M drop resistant, easy to storage in your backpack or luggage. The "Easy to Find" stripe helps you find the phone battery charger quickly. Fast Charge: USB-A1 22.5W and PD 20W USB C output, USB-A1 can full charge your Galaxy S9 in 40 min, can charge 4 devices simultaneously. Micro USB 18W, Type-C 20W inputs, only need 6H to refill RETMSR power bank by 20W power adapter. Bright led flashlight: Embedded 4 led beads make uniform light, 1.2W 120 lumen 120H long lasting, has strong, soft, SOS, strobe four modes, helps you send emergency signals, widely for work, traveling. Package in the Box: 1x 30000mAh power bank 1x Type-C cable 1x User manual

Connector Type: USB Type A, USB Type C


Brand: RETMSR


Battery Capacity: 30000 Milliamp Hours


Color: Black


Special Feature: USB C 20W, USB-A 22.5W Fast Charging, for iPhone Android Cell Phone, Led Flashlight, LED Indicator Lights, Scratch Resistant, Sturdy Material, Handheld Size, Over Charging, Short Circuit Protection, Hurricane Backup Charger See more


Product Dimensions: 6.77 x 3.43 x 1 inches


Item Weight: 1.03 pounds


Item model number: YD-887B


Batteries: 1 Lithium Polymer batteries required. (included)


Special features: USB C 20W, USB-A 22.5W Fast Charging, for iPhone Android Cell Phone, Led Flashlight, LED Indicator Lights, Scratch Resistant, Sturdy Material, Handheld Size, Over Charging, Short Circuit Protection, Hurricane Backup Charger


Other display features: Wireless


Color: Black


Whats in the box: 1x 30000mAh power bank, 1x User manual, 1x Type-C cable


Manufacturer: DongGuan Xionel Electronic Technology Co., Ltd


Date First Available: September 15, 2022


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Sep 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • One of my favorite tools
Color: Black Red
I love this thing! I’ve had mine for several years and used it through power outages and even a trip to Disneyland and it’s never once died on me from charging my phone. And it’s quick to charge up to! It’s so easy to throw in a to-go back, and it’s plug and play design means there’s no hassle with wires (both usb and usb-c). The included flashlight is powerful, and this brick stays charged even when left in a drawer somewhere and not pulled out again till it’s needed. ... show more
Reviewed in the United States on June 3, 2025 by Rose
    • Highly recommended!
Color: Black Red
I'm a big believer in being prepared to charge my iPhone in case of power outage or extended hikes while taking loads of photos and videos. This device charged my iPhone and Apple Watch from 35% to full and still had enough power to charge my wife's iPhone to full while still having 3 out of 4 dots of power left. ... show more
Reviewed in the United States on August 6, 2025 by Intrapax
    • Holds power and charges fast.
Color: Black Red
I use this in a work truck vehicle that the cigarette adapter is broke. I drive about 200 miles every Saturday making 3 stops and then returning back to my secure facility. Also on Sundays i run about 110 miles for 1 stop. I run Waze the entire time for alerts since I could drive this in my sleep and I run Spotify through Bluetooth in the truck. This will charge me up to 100%, generally 1-2 minutes per percent of charge needed. It has the 4 light display to keep you aware of the power supply left and easy access to the ports. It does take a bit to charge but since I only use during weekends, it's not a big deal. It would certainly fully charge overnight so it should not be a problem either way. The only real downside is the size so if you are looking for something more suited for a pocket, it could be a little bulky and heavy. All in all I very much like it it for my purposes. ... show more
Reviewed in the United States on April 11, 2023 by Chris Stottlemyer
    • A awesome product
Color: Black Red
One thing to note it takes awhile to charge but once charged this thing has a battery life that is very good. Well worth the price
Reviewed in the United States on May 11, 2024 by Dale Spackman Jr
    • Works great to power a GoPro Hero 7.
Color: Black Red
The GoPro Hero 7 is notorious for having garbage thermals that make using it with the built in battery next to impossible. They overheat super fast and it kills the battery in less than an hour, and if you try to use it plugged in with the battery, the GoPro itself will overheat and shut down. My solution is to take the battery out completely, and use this battery bank to power it on. It works flawlessly. Battery life seems phenomenal so far. It IS a huge battery pack, but the battery life has to come from somewhere. It feels built very well, and I am very happy with it so far. ... show more
Reviewed in the United States on August 28, 2024 by MetalMatty
    • Reliable and Compact Portable Power Supply
Color: Black Red
This portable power supply is a lifesaver! It charges multiple devices quickly and has enough power to last through long trips. It’s compact and easy to carry, making it perfect for travel, camping, or emergencies. The built-in flashlight is a nice bonus. Highly recommend if you need a reliable power source on the go! ... show more
Reviewed in the United States on October 29, 2024 by Brandon Ivy
    • 30k mAh ? I don't think so... DO NOT BUY THIS
Color: Black Red
Review Image by Andrew Andrew
Review Image by Andrew Andrew
Going to return the product as the capacity tested proved the capacity is false on the title. When I first received the battery, I felt the weight of the product, and there are two halves, a top half and bottom half (with the LED Light). The top half only had 1/4th of the weight on it, and the bottom half had no weight, including tapping on the shell, you can hear the difference that the battery pack was not there. This got me to purchase a USB Multimeter from Amazon to test the capacity. Prior test, I left the Battery on a USB-C Charge for 4 hours, because the battery LED's were already at 4 lit lights. So the battery was supposedly at 80-90% full. Just needed a bit more to get it to be solid. Read the back to see the Max Output of the middle port.. 5V>3.0A... Put the tester on, and set it to 3.0A and let it sit all night. I even checked on it every 30 min before I went to sleep, and with calculations it should have kept going by morning... Nope, it shut off 40 min after I slept. Gave the battery bit of a Charge this morning, then plugged in the tester to see the capacity output... yahhhhh... 11,759 mAh is not nearly close to half of 30,000 mAh... Now given the fact the multimeter needs power to run the LED screen, it should not be exactly 30,000 mAh, I was merely expecting an output of 27,000 - 30,000 mAh, but nope... not even half.... And yes, after 4 hours the battery was fully discharged. DO NOT BUY THIS POWER BANK ... show more
Reviewed in the United States on January 24, 2023 by Andrew Andrew
    • Excellent for emergency charges
Color: Black Red
I purchased this 2 years ago and it is still going strong today! Holds a charge for a long time and has rescued me more than once!
Reviewed in the United States on July 27, 2025 by Lorie Cooper

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