bestseller power banks
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Battery Operated Phone Charger Emergency|USB Battery Powered Power Bank Portable 4 AA Batteries Powered Outlet (Black)

Product Description

How to install the battery correctly?

The battery needs to be installed correctly according to the positive and negative polarity indications of the charger.

Why can’t the charger charge my device even though I installed the battery correctly?

The charger needs to be equipped with 1.5V alkaline batteries or 1.2V NiMH batteries to charge your device, otherwise it can only be used as a flashlight.

What are the input voltage, output voltage and output current of the charger?

The input voltage of the charger is 2.0V-3.0V, the output voltage is 5.0V, and the maximum output current is 1000MA

Without battery.Battery operated phone charger only use alkaline batteries
If the switch is pressed on the left, it is used for USB charging, while the switch on the right is used to activate the LED light
This compact and portable emergency USB power bank charges mobile devices with 4 AA batteries
The AA battery-powered cell phone charger works with smartphones, tablets and a variety of other electronic devices
Socket supports USB Type A only

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Samsung Galaxy Watch 7 40mm Bluetooth AI Smartwatch w/Energy Score, Wellness Tips, Heart Rate Tracking, Sleep Monitor, Fitness Tracker, 2024, Cream [US Version, 1Yr Manufacturer Warranty]

¹Galaxy AI features track data and require compatible Samsung Galaxy phone, Samsung Health app and Samsung Account. ²Available for outdoor running and cycling only. Must follow the same starting point and path as a workout selected from up to 14 days prior. ³The heart rate software functions are not intended for medical use. ⁴Requires compatible smartphone. ⁵Must wear device for 7 nights during a 30 night period. ⁶The Sleep Apnea Feature is an over-the-counter (OTC) software-only, mobile medical application operating on a compatible Samsung Galaxy Watch and phone. This feature is intended to detect signs of moderate to severe obstructive sleep apnea in the form of significant breathing disruptions in adult users 22 years and older, over a two-night monitoring period. It is intended for on-demand use. This feature is not intended for users who have previously been diagnosed with sleep apnea. Users should not use this feature to replace traditional methods of diagnosis and treatment by a qualified clinician. The data provided by this device is also not intended to assist clinicians in diagnosing sleep disorders. ⁷Tracks data and requires compatible Samsung Galaxy phone, and Samsung Account. ⁸Select interchangeable watch bands sold separately. ⁹Requires compatible smartphone.
PUSH PAST YESTERDAY: Looking for a great way to bring out your personal best every day? Challenge yourself to excel on your next run or bike ride using tracking with Galaxy AI¹ that lets you compare your current performance to your last one²
START YOUR DAY WITH YOUR ENERGY SCORE: Know how ready you are to take on the day using your personalized Energy Score with Galaxy AI¹; It calculates today’s physical readiness based on what you did yesterday
KEEP A CLOSER EYE ON YOUR HEART HEALTH: Get the most out of your fitness workouts using improved Heart Rate Tracking³ with Galaxy AI¹ that filters out your body’s movements for a more accurate reading
GET A BOOST TOWARD YOUR GOALS: Stay on track toward your goals using personalized suggestions from Wellness Tips⁴; Your Watch collects the insights and then they’re analyzed on your phone
BETTER SLEEP. A HEALTHIER YOU: Learn better habits for more restful nights using sleep tracking⁵ with Galaxy AI¹ — it also helps detect moderate to severe sleep apnea⁶; Get helpful insights collected by your Watch and analyzed by your phone

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TAGRY Active Noise Cancelling Headphones 100H Playtime Over Ear Bluetooth Headphones with Deep Bass Light Weight Earphones Comfort Headsets with Fast Charging for Travel Home Office PC Black

Product Description

1 Subway/Commuting 2 Airplane/Travel 3 Noisy Working 4 Gardening/Outdoor

Noise Cancelling and Fast Charging: With advanced Active Noise Cancellation tech, which reduces up to 95% of ambient noise. Whether it’s the noise from a subway,the engine sound of a car or airplane, the H08 headphones minimize distractions, allowing you to fully enjoy your musicThe fast charging tech lets you enjoy 10 hours of music with just a 5-minute charge. Less time spent charging means more time for music. With a full charge, you can use the headphones for a whole week without recharging.
100Hrs Playtime and Puchy Bass: Up to 100Hrs playtime on a single charge,H08 headphones is perfect for long trips and daily commutes. Whether you’re catching up on favorite podcast during a trip or immersing yourself in music for hours at the office, this earphones keep the beat going. Punchy bass adds depth and richness to every track, delivering energetic, punchy sound that makes your playlists come alive. Enjoy all-day comfort and high-quality audio that keeps you going from morning to night.
Wireless and 3.5mm Wired Connection:Enjoy versatile listening options with the H08 headsets. Seamlessly switch between wireless Bluetooth connectivity and a 3.5mm AUX wired connection for maximum convenience. Whether you’re on the go and prefer the freedom of wireless, or you need a stable wired connection for your home stereo or plane entertainment system, the included 47.2-inch audio cable has you covered. H08 Wireless Headsets gives you the flexibility to enjoy your music exactly how you want
Light Weight and Comfort Fit: Headphones weighing just 0.54 lbs, the TAGRY H08 headphones are so light you’ll barely notice you’re wearing them. The ultra-soft protein leather ear cups provide a luxurious, cushioned feel that keeps you comfortable during long listening sessions. Whether you’re working from home, hitting the gym, or just relaxing with music, the H08 offers a snug, comfortable fit that stays gentle on your ears all day long.
Foldable, Portable and Adjustable: Comes with a handy travel pouch for carrying this Bluetooth headset. Whether you’re packing them in your bag or just tucking them away at home, this headphone is built for portability.H08 headphones are designed for convenience and comfort. The ear cups rotate up to 105 degrees and the adjustable headband ensures a perfect fit for all head sizes, so you can wear them comfortably no matter your head shape.

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ZIUTY Wireless Earbuds, 2025 Bluetooth Headphones, 50hrs Stereo Deep Bass Ear Buds with Power Display Charging Case, buit in Mic, IPX5 Waterproof Headset for iPhone Andriod Phones

From the brand

Since 2015, ZIUTY is committed to the idea that creating reliable audio products.

To this day, More than 5,000,000+ partners around the world have recognized our products and service.

ZIUTY combines high-performance technology with a finely crafted aesthetic to create a new vision for the field of audio.

We will also continue to keep our uncompromising passion for premium quality!

Outstanding R&D Team

Powerful Factory

Partner Around the World

50-Hour Playtime & LED Power Tracker – Wireless earbuds built-in LED display clearly shows remaining charge (0-100%), while 500mAh ear buds portable charging case delivers 50hrs total playtime. Perfect for cross-country flights, gym marathons, or long trips without chargers.
Bluetooth 5.3 Earbuds with 15m Stable Connection – Latest Bluetooth 5.3 maintains seamless audio sync up to 49ft (15m), ideal for leaving your phone charging while moving around the house/office. Perfect for gym workouts.
HD Stereo Sound + Clear Mic – 14.2mm bass drivers deliver punchy lows & sparkling highs. ZIUTY ear buds ensure you hear every lyric clearly on even crowded subways, and allow you to take work calls in coffee shops.
Anti-Slip Compact Design – Diamond-cut charging case with sweat-resistant matte coating fits perfectly in jeans coin pockets. Premium sandblasted texture prevents drops during runs – 3x more grip than other bluetooth headphones.
All-Day Comfort (0.14oz/Ear) for Small Ears – Ergonomic semi-in-ear design (3 sizes of gel tips included) creates 360° weight distribution. 36% lighter than Airr-Pods pro2(0.14oz vs 0.19oz) with open acoustic design – hear traffic alerts and baby monitors while listening.
Seamless Voice & Touch Control – Triple-tap to ask Siri for directions while driving, long-press to adjust podcast volume during your jog, and double-tap to skip workout tracks at the gym – all without touching your phone. Perfect for multi-taskers who value safety and convenience.

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Samsung Galaxy Tab A9+ Plus 11” 128GB Android Tablet, Big Screen, Quad Speakers, Upgraded Chipset, Multi Window Display, Slim, Light, Durable, Kids Friendly Design, US Version, 2024, Silver

Meet your go-to device for on-the-go family fun – Galaxy Tab A9+. A bright, engaging 11”
Screen1 is perfect for every family member to do their thing. Whether they’re enjoying a
show, unwinding with a game or catching up on schoolwork or day-to-day tasks, an
upgraded chipset makes every experience feel smooth and easy. You can even open
multiple apps at the same time and get all your everyday tasks done quickly.

1Measured diagonally, the Galaxy Tab A9+ screen size is 11.0” in the full rectangle and 10.9″ accounting for the rounded corners. Actual viewable area is less due to the rounded corners. 2Portion of storage / memory occupied by existing content. 3MicroSD card sold separately. 4Certain applications may not support Multi-Active Windows use. 5Samsung Kids app comes pre-loaded on Galaxy Tab A9+. 6Galaxy and non-Galaxy devices: Smartphones and tablets with Android OS version 10.0 (Q) and One UI 2.1 or above, PCs running Windows 10 or later. Requires Samsung account and Wi-Fi and Bluetooth connection. Quick Share to iOS and Android devices available by sending shared link: individual files shared cannot exceed 3GB (for a total of 5GB per day) and link will expire after two days; requires a Samsung account and internet connection. Galaxy to Galaxy devices: Smartphones and tablets with Android OS version 10.0 (Q) and One UI 2.1 or above, PCs running Windows 10 and later. Requires Samsung account and Wi-Fi and Bluetooth connection between devices. 7Feature supported on mobile devices running UI 2.5 or later and TV models 2018 U7400 series or upper model. Must be logged in to the same Samsung account and be on the same Wi-Fi network. TV must be registered to SmartThings app. 8Requires devices to have One UI 2.5 or later. Devices must be logged in to the same Samsung account and be on the same Wi-Fi network.
BIG SCREEN. FAMILY-SIZED FUN: Bring fun home to everyone with a bright, engaging 11″ screen¹ ; A refresh rate of up to 90Hz makes every experience feel smooth — great for videos, games or fun time for the kids
RICH SOUND ALL AROUND: Your music; Your shows; Your games; Hear them all loud and clear, thanks to quad speakers powered by Dolby Atmos; Galaxy Tab A9+ delivers a cinema-like audio experience your ears will love
POWER FOR ALL YOU DO. STORAGE FOR ALL YOU LOVE: Watch videos, play games and do more with an upgraded chipset; Keep everything you love together with up to 128GB² of storage and microSD support³
SEE & USE MULTIPLE APPS AT ONCE: Open multiple apps⁴ at once with Galaxy Tab A9+ and accomplish more seamlessly; Bounce between the things like a multitasking pro — browse the internet, check email and jot down notes all on one screen
LOVED BY KIDS. TRUSTED BY PARENTS: Give your kids a safe place to learn and play with the Samsung Kids app⁵ ; Kids will love a wide variety of playful, colorful content that keeps them entertained while stimulating their young minds
SLIM. LIGHT. DURABLE: Carry your Tab easily with a slim, light design that’s also durable; Galaxy Tab A9+ is the perfect blend of performance and portability to help you bring the fun with you wherever you go
SEND FILES IN A FLASH: Sharing files has never been easier with Quick Share⁶ ; Select the file you want to share on your device —from a video clip to a photo, then easily transfer the file to another device whether it’s Android or iOS
TAKE IT TO THE BIG SCREEN: With Smart View, experience videos exactly how you want; Looking to see more detail on a sports clip or cooking video you’re watching on your Tab? Cast it to your Samsung TV and experience the thrills on your TV screen⁷
KEEP THE CONVERSATION GOING: With Galaxy, it’s easy to stay connected to family and friends; Pick up a call or return a text from your Tab⁸ , even if your phone is in the next room

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Acer Aspire 3 A315-24P-R7VH Slim Laptop | 15.6″ Full HD IPS Display | AMD Ryzen 3 7320U Quad-Core Processor | AMD Radeon Graphics | 8GB LPDDR5 | 128GB NVMe SSD | Wi-Fi 6 | Windows 11 Home in S Mode

Choose the ready-to-go Aspire 3 with the latest Ryzen™ 7000 Series Processors made for practical multitasking and productivity. With ease-of-use at its core, this family-friendly laptop is ready when you are. This Aspire 3 can tackle any job no matter how complex. Creativity soars to new heights with sharp, crisp visuals showcased on the 15.6″ Full HD IPS screen, while the thin bezel provides you with more space to work with wherever inspiration strikes. It’s the perfect companion to take with you wherever you go With Windows 11 Home in S mode, you’ll experience fast start-ups, a familiar yet expanded Start menu, and great new ways to get stuff done. And with automatic updates enabled, you get all the latest features and security hassle-free. Work, play and share all in one device (NX.KJBAA.001).
Purposeful Design: Travel with ease and look great doing it with the Aspire’s 3 thin, light design.
Ready-to-Go Performance: The Aspire 3 is ready-to-go with the latest AMD Ryzen 3 7320U Processor with Radeon Graphics—ideal for the entire family, with performance and productivity at the core.
Visibly Stunning: Experience sharp details and crisp colors on the 15.6″ Full HD IPS display with 16:9 aspect ratio and narrow bezels.
Internal Specifications: 8GB LPDDR5 Onboard Memory; 128GB NVMe solid-state drive storage to store your files and media
The HD front-facing camera uses Acer’s TNR (Temporal Noise Reduction) technology for high-quality imagery in low-light conditions. Acer PurifiedVoice technology with AI Noise Reduction filters out any extra sound for clear communication over online meetings.
Wireless Wi-Fi 6 Convenience: Maintain a strong, consistent wireless signal with Wi-Fi 6 (aka 802.11ax) and 2×2 MU-MIMO technology.
Improved Thermals: With a 78% increase in fan surface area, enjoy an improved thermal system and an additional 17% thermal capacity. Allowing for longer, more efficient work sessions while not plugged in.
Ports For All Your Accessories: 1 – USB Type-C Port USB 3.2 Gen 2 (up to 10 Gbps) DisplayPort over USB Type-C & USB Charging, 2 – USB 3.2 Gen 1 Ports, 1 – HDMI 2.1 Port with HDCP support, 1 – Headphone/Speaker/Line-Out Jack, DC-in for AC adapter
What’s In the Box: Acer Aspire Laptop, AC Adapter, Power Cord
Keyboard backlight not present on this model

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SAMSUNG Galaxy A16 5G A Series Cell Phone, Unlocked Android Smartphone, Large AMOLED Display, Durable Design, Super Fast Charging, Expandable Storage, US Version, 2025, Blue Black

Discover an awesome experience at an awesome value with Galaxy A16 5G⁸. Packed with the essential features you need, A16 5G brings incredible value to everyday life.
¹Measured diagonally, the screen size is 6.7″ in the full rectangle and 6.5″ accounting for the rounded corners. Actual viewable area is less due to the rounded corners and the camera cutout. ²IP54 rating for water and dust resistance. Water resistance based on laboratory test conditions for exposure to splashes of fresh water. Not advised for beach or pool use. Dust resistance based on laboratory test conditions, with limited protection against dust ingress.
³The heart rate software functions are not intended for medical use. ⁴Requires a compatible phone and NFC card from participating bank. See Samsung Wallet FAQ for more information.
⁵Digital ID only for select corporate, government and educational institution partners. Mobile Driver’s License only for TSA ID purposes, only for ID holders from select states and at select TSA checkpoints. Mobile Driver’s License for TSA ID only and does not replace physical license. ⁶25W Super Fast Charger sold separately. Super Fast Charging speed depends on battery level and other factors; use only Samsung-approved chargers and cables; do not use any worn or damaged chargers or cables; incompatible charger or cable can cause serious injuries or damage to your device. ⁷MicroSD card sold separately. Portion of memory occupied by existing content. ⁸Requires optimal 5G network connection, available in select markets. Check with your carrier for availability and details. Download and streaming speeds may vary based on content provider, server connection and other factors.

LAUNCH BUNDLE: Get a $25 Amazon Gift Card when you order the new Samsung Galaxy A16 5G now; select the Gift Card Bundle variation for redemption. Offer ends 1/19
CRISP DETAIL. VIVID POSSIBILITIES: The ultra-clear 6.7″ display¹ of Galaxy A16 5G helps bring your content to life whether you’re checking emails or reading online blogs and recipes.
MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from big group shots to close-ups, with the triple-lens camera on Galaxy A16 5G.
MORE DURABLE THAN EVER BEFORE: Take on your day with confidence, thanks to the awesome durability of Galaxy A16 5G with an improved IP54 rating.²
HEALTH INSIGHTS MADE EASY: Stay connected to your health with Galaxy A16 5G and Fit3. Track your steps, sleep and heart rate³ and then see it all in one place with the Samsung Health app.
AWESOME EXPERIENCE. AWESOME VALUE: Galaxy A16 5G offers essential features and practical extras designed to enhance your everyday life — all at a price you’ll love.
PAYING MAD EASY: Pay with a tap, plus store your cards and ID all in one app with Samsung Wallet.⁴ ⁵
SIX YEARS OF UPDATES. AWESOME SECURITY: Six years of OS and security updates mean you can keep your Galaxy A16 5G longer, making it a great value for years to come.
LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A16 5G. Super Fast Charging⁶ powers up your battery at lightning speed so you can get back to life sooner.
STORE MORE AND WORRY LESS: With improved internal storage of up to 128GB and up to 1.5TB⁷ of expandable storage, Galaxy A16 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.

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Moto G 5G | 2024 | Unlocked | Made for US 4/128GB | 50MP Camera | Sage Green

With an immersive display and multidimensional sound, moto g 5G – 2024 takes your movies, shows, and games to the next level. Enjoy smooth gaming and seamless scrolling with a fast, fluid 6.6″ 120Hz display. Hear every detail with the unbelievable clarity of Dolby Atmos on stereo speakers. Capture sharper low-light photos with a 50MP Quad Pixel camera system. And unleash it all with 5G speeds powered by a Snapdragon octa-core processor. Plus, with a massive battery and TurboPower charging, the fun never stops. You can even experience a little luxury with the vegan leather design. Upgrade your entertainment with moto g 5G – 2024.
Immersive 120Hz display* and Dolby Atmos: Watch movies and play games on a fast, fluid 6.6″ display backed by multidimensional stereo sound.
50MP Quad Pixel camera system**: Capture sharper photos day or night with 4x the light sensitivity—and explore up close using the Macro Vision lens.
Superfast 5G performance***: Unleash your entertainment at 5G speed with the Snapdragon 4 Gen 1 octa-core processor.
Massive battery and speedy charging: Work and play nonstop with a long-lasting 5000mAh battery, then fuel up fast with TurboPower.****
Premium design within reach: Stand out with a stunning look and comfortable feel, including a vegan leather back cover that’s soft to the touch and fingerprint resistant.
Tons of built-in ultrafast storage: Get plenty of room for photos, movies, songs, and apps—and add up to 1TB with a microSD card*****
*A minimum device refresh rate of 60Hz and a maximum refresh rate of 120Hz; actual refresh rate may be less and will vary based on app/content limitations and requirements, device mode settings, and other factors.
**The 50MP sensor combines 4 pixels into 1, for an effective photo resolution of 12.5MP.
***5G service available with 5G plan. 5G network coverage required; available only in select areas; device not compatible with all 5G networks. Contact your service provider for details. Qualcomm Snapdragon is a product of Qualcomm Technologies, Inc. and/or its subsidiaries. Qualcomm and Snapdragon are trademarks of Qualcomm Incorporated, registered in the United States and other countries.
****Charger may be sold separately. Maximum 18W TurboPower charging speed on device. In-box charger varies by market. Check with your carrier or retailer for availability. *****Supports up to 1T microSD card, microSD cards sold separately. Content with DRM restrictions may not be able to be moved to the card.