Shenzhen Zihao technology Co., LTD JM4 Pro Portable Charger with Built-in Cables: Portable with built-in cables
Ever been stuck with a dead phone and a tangle of cords? The Portable Charger with Built-in Cables is here to save the day (and your sanity). Packing a massive 42800mAh capacity, this little powerhouse doesn't just talk the talk—it walks the walk with 3 ports and 4 built-in cables (yep, Type-C, IOS, Micro, and USB-A are all covered). No more digging through your bag for that one elusive adapter. And with 22.5W Super Fast Charging thanks to PD 3.0 and QC3.0/4.0, your iPhone 15 can go from zero to hero (well, 60%) in just half an hour. Need to juice up your phone, tablet, and maybe even your friend's gadget? No problem—it can handle 6 devices at once. Perfect for when you're on the move, whether that's camping under the stars or just navigating the urban jungle. Plus, the digital LED display keeps you in the loop on how much juice you've got left, and its sleek design means it won't weigh you down. Talk about a game-changer.
- 22.5W Super Fast Charging
- Charge 6 devices simultaneously
- Powerful and safe battery pack
- LED screen with compact design
- Portable with built-in cables
General specs
- Brand: Shenzhen Zihao technology Co., LTD
- Model: JM4 Pro
- Seller: Amazon
- product_dimensions: 5.61 x 2.88 x 1.12 inches
- item_weight: 1.11 pounds
- batteries: 1 Lithium Polymer batteries required. (included)
- special_features: Digital Display, Over Charging Protection, Built In Cable, Fast Charging, Pocket Size
- other_display_features: Wireless
- color: Black
- whats_in_the_box: Charging Cable*1, User Manual*1, 42800mAh Power Bank*1
- country_of_origin: China
- date_first_available: January 22, 2025
- First listed by seller: 5/29/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
Comparison with similar products
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Shenzhen Zihao technology Co., LTD JM4 Pro Portable with built-in cables
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Shenzhen jincheng Electronic Technology Co., Ltd P12 Pro 32000mAh huge capacity
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Shenzhen Quark Thinking Technology Co., Ltd. S1008D Power-Bank with Built-in Cables
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Shenzhen Joway Power Supply Co., Ltd. PB-08 15000mAh capacity
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Anshi Shengying (Shenzhen) Technology Co., Ltd. N18 Multi-Device Charging with Built-In Cables
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Dongguan Xionel Electronic Technology Co., Ltd PN-A20 PD30W and QC4.0 fast charging
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| Brand | Shenzhen Zihao technology Co., LTD | Shenzhen jincheng Electronic Technology Co., Ltd | Shenzhen Quark Thinking Technology Co., Ltd. | Shenzhen Joway Power Supply Co., Ltd. | Anshi Shengying (Shenzhen) Technology Co., Ltd. | Dongguan Xionel Electronic Technology Co., Ltd |
| Model | JM4 Pro | P12 Pro | S1008D | PB-08 | N18 | PN-A20 |
| Color | ||||||
| Rating |
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| Price | $159.99 | $23.99 | $23.99 | $19.99 | $21.99 | $29.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 27, 2025 | June 25, 2025 | June 27, 2025 | June 27, 2025 | July 20, 2025 | June 27, 2025 |
| product_dimensions | 5.61 x 2.88 x 1.12 inches | 5.51 x 2.63 x 1.06 inches | 7.1 x 3.2 x 1.1 inches | 5.9 x 0.7 x 2.69 inches | 4.57 x 2.68 x 0.86 inches | 6.33 x 2.87 x 1.22 inches |
| item_weight | 1.11 pounds | 1.06 pounds | 1.01 pounds | 8.8 ounces | 7 ounces | 1.12 pounds |
| batteries | 1 Lithium Polymer batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 2 Lithium Ion batteries required. | 1 Lithium Metal batteries required. (included) | 1 Lithium Polymer batteries required. (included) | |
| special_features | Digital Display, Over Charging Protection, Built In Cable, Fast Charging, Pocket Size | Digital Display, Auto Shut-Off, LED Indicator Lights, Over Charging Protection, Scratch Resistant, Short Circuit Protection, Built In Cable, Fast Charging | Portable Charger Power Bank with Built-in Cables, Digital Display, 15000mAh, 22.5W QC4.0 Fast Charging, USB C Output, USB A Output, Charge 3 devices Simultaneously, Slim Size | Portable, Compact, Fast Charging | Digital Display, Auto Shut-Off, LED Indicator Lights, Over Charging Protection, Scratch Resistant, Short Circuit Protection, Built In Cable, Fast Charging | |
| other_display_features | Wireless | Wireless | Wireless | Wireless | ||
| date_first_available | January 22, 2025 | August 16, 2023 | October 18, 2024 | November 11, 2024 | February 21, 2023 | |
Portable Charger with Built-in Cables
Eric H.
Philadelphia, PA
June 7, 2025
As a pragmatist, I was skeptical about this thing living up to the hype. I expected a lightweight, easy-to-carry solution for my daily needs, but reality hit when it arrived—it's HEAVY, like carrying an extra brick in my bag. On the plus side, the built-in cables are intuitive and mean I don't have to fumble with separate cords, which is great for quick top-ups. The power level display is straightforward and helps me plan my usage. I've used it for a couple of weeks now, and it's held up well, charging my phone and tablet without issues, though it doesn't always feel as fast as advertised. For my family, with a kid who's always on their device, it's been fairly reliable, but the weight makes it less ideal for true portability. Delivery was smooth—the courier called ahead, which was a nice touch. Overall, it does the job but isn't perfect; I'd recommend it with some reservations for those who need lots of power on the go.
- Pros: The built-in cables are a lifesaver—no more hunting for adapters, and it feels sturdy. The display shows the power left clearly, which is handy. It charged my phone fairly quickly, and the capacity is huge, lasting through long days out.
- Cons: It's quite heavy and bulky, not as portable as I hoped. The charging speed seems inconsistent at times, and with multiple devices plugged in, it gets warm. The cables feel a bit short for comfortable use.