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🔌 Power up your life, anywhere, anytime—because running out of juice is so last decade.
The UGREEN 300W Portable Charger packs a massive 48,000mAh LiFePO4 battery into a compact, rugged design featuring 5 fast-charging ports, a smart digital display, and a multi-mode LED light with SOS. Engineered for professionals and adventurers alike, it offers rapid 140W bidirectional charging, exceptional battery longevity with 3,000+ cycles, and versatile power backup for laptops, phones, and more—making low battery anxiety a thing of the past.























| ASIN | B0CJY37RT3 |
| Antenna Location | Indoor/Outdoor |
| Battery Capacity | 48000 Milliamp Hours |
| Battery Cell Type | Lithium-Phosphate |
| Battery Weight | 140.4 Grams |
| Best Sellers Rank | #21,653 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #669 in Cell Phone Portable Power Banks |
| Brand | UGREEN |
| Color | Grey |
| Compatible Devices | For ALL iPhone: iPhone 16/ 16 Plus/ 16 Pro/ 16 Pro Max/ 15/ 15 Plus/ 15 Pro/ 15 Pro Max/ 14/ 14 Plus/ 14 Pro/ 14 Pro Max/ 13 Pro/ 13 Pro Max/ 13 mini/ 13/ 12 Pro/ 12 Pro Max/ 12 mini/ 12/ 11 Pro/ 11 Pro Max/ 11/ SE (2nd generation)/ XS/ XS Max/ XR/ X/ 8/ 8 Plus;, Google: Google Pixel 6/ 6 Pro/ 5/ 4A/ 3a/ 3XL/ 3/ 2 XL/ 2 ; Samsung: Galaxy S22/ S22Ultra/ S22+/ S21 Ultra/ S21/ S21 Plus/ S20 Ultra/ S1… |
| Connector Type | USB C + USB A |
| Customer Reviews | 4.1 out of 5 stars 253 Reviews |
| Item Dimensions | 5.71 x 6.31 x 3.03 inches |
| Item Dimensions L x W x Thickness | 5.71"L x 6.31"W x 3.03"Th |
| Item Weight | 1800 Grams |
| Manufacturer | Ugreen Group Limited |
| Mfr Part Number | PB770 |
| Model Number | PB770 |
| Number of Batteries | 8 Lithium Polymer batteries required. (included) |
| Number of Ports | 5 |
| Other Special Features of the Product | 48000mAh(153Wh), Digital Display, LED Light, PD3.1 140W, Portable Handle |
| Portable | Yes |
| Power Source | Battery |
| Reusability | Rechargeable |
| Special Feature | 48000mAh(153Wh), Digital Display, LED Light, PD3.1 140W, Portable Handle |
| Voltage | 28 Volts |
L**J
Huge capacity, amazingly compact, great value
This is probably my favorite new UGreen product in a long while. The capacity is enormous but is packaged in a compact, attractive form factor. The light is a useful feature when camping and I love that it supports fast charging. I have an Anker 548 battery bank that used to be my go-to camping battery with 60,000 mAh but it’s twice the size and has a maximum output per port of 30 watts. While this battery doesn’t boast the same capacity, it’s less than half the size in footprint but still offers 80% of the capacity and boasts quicker charging speeds and a more attractive screen. The only feature this lacks over the Anker is a solar charging port, which I honestly never used on the Anker due to impracticality. My only gripe with this UGreen battery is that the input port is on the front of the device. I would have personally preferred it to be on the back, but that’s a nitpick.
T**.
Reliable, Rugged, Portable, Excellent quality & well made.
In over a decade of experiences with countless brands, along with no-name brands, this truly redefines the way I measure capacity, features, mobility , ruggedness, etc. This will qualify as one of the most reliable, power Bank/inverters, backups, of it's kind. Charge time is exemplary. It is heavy but the handle is secured. The sos dim/bright light came in handy. Not covered in markets info clearly in features; This is a HUB. While charging the PowerBank, simultaneously, device(s) can still be charged. Side by side with Ankers C100W PowerBank, this goes above & beyond.
D**T
Holy power bank batman
This is a beast. Tons of power and right number of ports. It’s got some weight but it works great. Sits on my desk and does what’s needed. Charges pretty much everything. Great job by ugreen as always Edit December 2025 16 mos after buying it died. 188% flashing
J**S
La batería dura mucho
The best you can get for the price; good quality.
N**S
Worth it.
I have this for trips and power outages. My wife and kids love it cause they dont have to worry about there devices charging slowly and its not that big nor does it weigh much. I would recommend this even with the price cause it can charge multiple devices and do it multiple times. We'll worth the value.
A**R
Not listed capacity, not a bad unit regardless and input/output numbers are accurate.
Works quite well, the comments stating it's true capacity are correct, it's around 24,000 mAh in reality, but it does in fact put out the listed amount of power. The smart charging can be a bit finicky, but does work after reconnecting the cables for most device. Construction is solid, buttons don't feel cheap or anything. If it did truly have the listed capacity it would've been 5 stars for sure.
M**H
love it
Great product got it on sale with a $60.00 off coupon so I paid 100 bucks for it love it we'll end up buying another one eventually unless they wanna send me a newer 1 as a review I use it to charge my laptop ( 2 ni 1 dell latitude ) my ROG Z1E and my ROG X Samsung Galaxy fold 6 and Samsung Galaxy Tab S9 plus and all of my buddies devices one hanging out they love how fast it charges everything I can get about 8 hours to 12 hours of gameplay like cyberpunk 2077 on the Z1 E same with pub G and that's before it even touches the battery on the device and get an additional 2 hours on the devices hope this helps quick clarification 8 to 12 hours is the rog only I'll full charge both plus the additional 2 from the rog for a total of 10 to 14 hrs of game play
C**X
1st one was a dud, 2nd one seems good. Solid Build and Features, I hope it lasts! *Update 5/28/25*
Hmmm there's a lot to say here but I'll try and keep it short. As another review mentioned, my first unit charged once and would never take a charge again, I'm pretty tech savvy and tried everything but no luck, I had to swap it out for a replacement. So that wasn't a good start. But I really liked the build and features of the unit so I gave it another shot. So far my replacement unit is holding up, I did a few discharges and recharges and it seems working properly. But as another review mentioned, my 100W name brand charger gets super hot, like scary hot (yes using a proper 100W cable) which means I'd never leave the house while it's charging and always keep an eye on it, also the unit itself also gets pretty warm, I'd say hot, not as hot as the charger but warm enough to make me think that over time this could affect battery life or worse. I did reach out to UGREEN about my issues and the excessive heat concerns and they were responsive and answered all my questions. As of now, my replacement is working as intended other than what seems to be excessive while charging which again UGREEN stated was normal, maybe it is. I gave them a second chance, maybe I got a dud, the unit fits my needs perfectly, time will tell about performance & longevity, hopefully it will last for years to come! So far, second unit is meeting my needs. Udate: 5/28/2025 - With my replacement unit, now as I recharge it, so far happened 2x, when I get to about 80% charged, the display flashes, it stops charging, slowly ramps up to charging again, after about 5 minutest it does it again, display flashes, stops taking a charge, then slowly starts taking a charge, then boom, repeat! I unplug everything, let it sit overnight, then I can get it to charge from 80% to 100% using the same "name brand" 100W charger and cable. I want to love this unit so bad as it's the perfect size & design BUT if it keeps acting up I'm going to ask for another replacement, maybe 3rd time is a charm! or a refund. Something doesn't seem right, again, time will tell, will update again.
う**し
大変良い!!
小型で大容量。パススルー対応で3000サイクル。 耐久性は分かりません。突然壊れる可能性もあるでしょう。 でもそれは一部の悪意ある商品以外にはあり得ることなので、仕方ない事です。 とにかく、今はスタンディングデスクに下記構成で使っていて、コンセント外して移動するときも常に電源が供給できるので助かっています。 この構成で消費100Wくらいなので、AC100V給電しなくてもしばらく持ちます。 ①スタンディングデスク ②テーブルタップ+USBアダプタ+「当該商品」 ③ノートPC(type-c電源供給) ④27インチ_モバイルモニタ(type-c電源供給)
S**B
Empfehlenswert
Als Teil meines mobilen Setups versorgt die Powerbank alle meine Geräte (ca 20w) für gute 6 Std mit Strom. Für mich der ideale Formfaktor und dank LiFe Technik habe ich auch keinen Stress mit vielen Zyklen. Ich kanns uneingeschränkt empfehlen.
J**X
Un vendeur Au top !
Franchement j'étais inquiet suite au mauvais commentaires 😁 Ce vendeur est vraiment exceptionnel répond rapidement et il est super sympas Et le produit est extraordinaire parfait pour le camping longue durée
M**O
Power bank migliore che ci sia
Costa 100€ ma li vale tutti: sono stato in campeggio 4 giorni senza corrente e ho caricato 4 volte al 100% il mio telefono e quello dei miei 2 amici, e sono arrivato a casa con ancora il 40% di batteria nel powerbank. Top.
X**U
Très bonne batterie
Très bonne batterie, grosse capacité, infos sur la façade lisibles, je recommande ce produit
Trustpilot
2 months ago
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