SKU: 49524726492

J5019 Hw 357: Versatile Li-ion Charger And Boost Module For a Wide Range Of Applications

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Description

J5019 Hw 357: Versatile Li-ion Charger And Boost Module For a Wide Range Of ApplicationsJ5019 Hw 357: Versatile Li ion Charger And Boost Module For a Wide Range Of Applications Elevate your battery charging and power supply capabilities with the J5019 HW 357, a highly versatile Li Ion charger and boost module that caters to a diverse range of applications. This compact and efficient module combines a TP4056 Li Ion battery charging circuit with an MT3608 boost converter, offering seamless charging and voltage boosting solutions. Key

J5019 Hw 357: Versatile Li-ion Charger And Boost Module For a Wide Range Of Applications

Elevate your battery charging and power supply capabilities with the J5019 HW 357, a highly versatile Li-Ion charger and boost module that caters to a diverse range of applications. This compact and efficient module combines a TP4056 Li-Ion battery charging circuit with an MT3608 boost converter, offering seamless charging and voltage boosting solutions.

Key Features:

  • Comprehensive Battery Charging: Effectively charge single-cell Li-Ion batteries with adjustable charging current up to 2A.

  • Powerful Boost Converter: Step up the voltage from a 3.7V Li-Ion battery to an adjustable output of up to 28V, providing power for various devices.

  • Compact and Efficient: The compact design and high efficiency make it ideal for portable applications.

  • Wide Applications: Suitable for charging single-cell Li-Ion batteries, powering small devices, driving LEDs, and more.

Specifications:

  • Input voltage: 4.5-8V DC
  • Output voltage: 4.3-27V DC (Continuously adjustable)
  • Charging voltage: 4.2V DC
  • Charging current: Max. 1A
  • Discharging current: Max. 2A
  • Size: 3.3x2.3cm/1.3x0.91"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 49524726492

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4.6 ★★★★★
Based on 17 reviews
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M
Verified Purchase
M
Los Angeles, US
★★★★★ 5
Good for night sessions
Size: Medium, Pattern Name: Pack of 1
Picked this up for evening fetch sessions and it’s been a win. It charges up fast, couple minutes under a lamp or in sunlight and it’s good to go, and the glow is genuinely bright, not the sad dim purple some of these put out. Makes it way easier to find in the yard at dusk, and the dog can actually track it. It’s a little on the softer side compared to a regular tennis ball, but durable enough to hold up to my big dog, who is not gentle with toys. Still kicking after plenty of chomping and slobber. Fits a standard Chuckit! launcher perfectly, which is the whole point. Pros: • Glows brightly and clearly in the dark • Charges fast from any light source • Holds up well even with a big, enthusiastic chewer • Fits standard ball-throwing sticks • Great for evening or early-morning fetch Cons: • A bit softer than a regular tennis ball — a determined power-chewer could probably destroy it eventually • Glow fades after a while, so you’ll need to recharge it during long sessions • Only glows if it’s been charged, which is obvious but easy to forget Tips: • Charge it under a bright light or in the sun for a few minutes before heading out • A flashlight works in a pinch if you forgot to charge it • Keep it out of permanent fetch duty — rotate with a regular ball so it lasts longer • Not a chew toy, even though it’s tempting to leave it with the dog Five stars. If you’ve got a dog and a yard, this makes evening fetch actually doable.
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Reviewed in the United States on May 24, 2026
V
Verified Purchase
VOKLST
Lexington, US
★★★★★ 5
Westies Fav
Size: Small, Pattern Name: Pack of 1
Best Westie ball ever, my dog loves this ball. Exactly her size! 3" tennis balls are too big & she rips the fur off. this silicone-ish ball has no fur & is 2&1/2 " We have 2" balls from her electronic ball laucher, but she still loves this glow in the dark best!
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Reviewed in the United States on May 4, 2026
B
Verified Purchase
Book Junkie
Bozeman, US
★★★★★ 5
Best dog ball in the world!
Size: Large, Pattern Name: Pack of 1, Size: Large, Pattern Name: Pack of 1
My dog is singularly obsessed with playing ball. He would drop a steak to chase a ball. (He'd return to the steak, but not without the retrieved ball. He's not an idiot.) He makes dangerous leaps, crashes into trees, and runs fast enough to catch thrown balls before they even hit the ground. Since he doesn't care about his own wellbeing, it's my job to protect him as much as I can. And a lot of balls are hard enough to cause him pain or dental damage when he mistimes a catch. Enter the ChuckIt Glow Ball! The minute Cowboy got his first Glow Ball, he no longer had any interest in the dozens of tennis balls scattered around the house and yard. If I took the Glow Ball away and instead threw a tennis ball, Cowboy would run to retrieve the ball, then return without it and begin looking all over the house for the Glow Ball. The Glow Ball is tough enough to survive Cowboy's big, sharp chompers, yet it's soft enough to do no harm when it hits him in the face. The glow feature is a huge bonus, too. Cowboy gets distracted by chipmunks and squirrels when we're playing, so he sometimes can't remember where he dropped the ball to pursue the interloper. If the ball was exposed to enough light before it was misplaced, it will be easy to find once the sun goes down. (Otherwise, Cowboy always finds it eventually.) When I'm feeling nocturnal, I'll put the ball under a light for a few minutes to activate the electrons, then treat my boy to a middle-of-the-night game of fetch. I was so happy to see these on sale, I bought a lifetime supply for my pantry. The size guide seems accurate. ChuckIt recommended the large size for a dog of Cowboy's weight and that size is perfect. Highly recommended product.
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Reviewed in the United States on October 14, 2024
M
Verified Purchase
Megan
Belleville, US
★★★★★ 5
Keep your dog active for hours
Color: Classic, Size: M 3.46 in (8.8 cm)
I buy 2 of these balls a month. My Boston Terrier is obsessed and rolls the ball for hours. It is made of a hard plastic so it is best to play with it outside.
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Reviewed in the United States on May 21, 2026
N
Verified Purchase
2ndchance
Boise, US
★★★★★ 5
Great for dogs
Color: Classic, Size: XS 2.75 in (7 cm)
Puppies and dogs love this. I have a bigger one as well so I wanted one they could fetch. This works perfectly for fetch.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026

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