20 Best Samsung Galaxy S3 External Battery Charger in 2024 Reviews and Buying Guide

3,379 Reviews Scanned

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1 Universal LCD Battery Charger, Travel chargering for Samsung Galaxy S3 S4 S5 Note 2 3 4, Edge, Mega,... Universal LCD Battery Charger, Travel chargering for Samsung Galaxy S3 S4 S5 Note 2 3 4, Edge,...
2 iROCCMIN Galaxy S3 Battery,2500mAh High Capacity Replacement Battery for Samsung Galaxy S3 Verizon... iROCCMIN Galaxy S3 Battery,2500mAh High Capacity Replacement Battery for Samsung Galaxy S3... No ratings yet
3 iWALK Small USB C Portable Charger, 4500mAh Portable Phone Charger for Android, Power Bank Battery... iWALK Small USB C Portable Charger, 4500mAh Portable Phone Charger for Android, Power Bank...
4 Battery for Samsung Gear S3, 580mAh Ultra High Capacity Replacement Battery for Samsung Gear S3... Battery for Samsung Gear S3, 580mAh Ultra High Capacity Replacement Battery for Samsung Gear S3... No ratings yet
5 NEWDERY USB C Portable Charger 6600mAh,Small Power Bank, Mini Slim Batttery Pack External Phone... NEWDERY USB C Portable Charger 6600mAh,Small Power Bank, Mini Slim Batttery Pack External Phone... No ratings yet
6 SwanScout Portable Charger for Samsung Watch, 10000mAh Travel Power Bank with Built-in Cables and AC... SwanScout Portable Charger for Samsung Watch, 10000mAh Travel Power Bank with Built-in Cables and... No ratings yet
7 [580mAh]Battery for Samsung Gear S3 Frontier SM-R760, 2023 New Upgraded High Capacity Replacement... [580mAh]Battery for Samsung Gear S3 Frontier SM-R760, 2023 New Upgraded High Capacity Replacement... No ratings yet
8 HamnaKhu [2600mAh] Galaxy S3 Battery,New Version Li-ion Battery Replacement for Galaxy S3... HamnaKhu [2600mAh] Galaxy S3 Battery,New Version Li-ion Battery Replacement for Galaxy S3... No ratings yet
9 Venenio [580mAh] Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, Upgrade High... Venenio [580mAh] Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, Upgrade High... No ratings yet
10 SHENMZ Galaxy S3 Battery, New Upgraded 2500mAh Li-ion Replacement Battery for Samsung Galaxy... SHENMZ Galaxy S3 Battery, New Upgraded 2500mAh Li-ion Replacement Battery for Samsung Galaxy... No ratings yet
11 Vida IT Compact Power Bank Portable Charger for Samsung Galaxy S22 S21 S10 S7 Edge Motorola LG... Vida IT Compact Power Bank Portable Charger for Samsung Galaxy S22 S21 S10 S7 Edge Motorola LG...
12 HUAYOTEK 480mAh Upgraded Replacement Battery for Samsung Gear S3 Frontier SM-R760, R770, R765, Gear... HUAYOTEK 480mAh Upgraded Replacement Battery for Samsung Gear S3 Frontier SM-R760, R770, R765,... No ratings yet
13 Cleantt Galaxy S3 Battery, 2100mAh Li-ion Battery Replacement for Samsung Galaxy S3, EB-L1G6LLU,... Cleantt Galaxy S3 Battery, 2100mAh Li-ion Battery Replacement for Samsung Galaxy S3, EB-L1G6LLU,... No ratings yet
14 [2 Packs] Small Portable Charger 5200mAh, PD Fast Charging USB C Power Bank, Cordless Android... [2 Packs] Small Portable Charger 5200mAh, PD Fast Charging USB C Power Bank, Cordless Android...
15 NVUU Portable Charger USB C for iPhone 15 Android 2 Packs 5000mAh Power Bank with Built in Cable,... NVUU Portable Charger USB C for iPhone 15 Android 2 Packs 5000mAh Power Bank with Built in Cable,... No ratings yet
16 Replacement Battery for Samsung Gear S3 Frontier and Gear S3 Classic, (𝟐𝟎𝟐𝟑... Replacement Battery for Samsung Gear S3 Frontier and Gear S3 Classic, (𝟐𝟎𝟐𝟑...
17 VEGER Portable Charger, USB C Power Bank, 5000mAh Mini Battery Pack Fast Charging 20W Small Charging... VEGER Portable Charger, USB C Power Bank, 5000mAh Mini Battery Pack Fast Charging 20W Small... No ratings yet
18 [500mAh]Replacement Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, Upgraded... [500mAh]Replacement Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, Upgraded... No ratings yet
19 LQM 20000mAh Dual USB External Battery Backup Power Bank for Apple iPhone 6, 6 Plus 5S 5C 5 4S... LQM 20000mAh Dual USB External Battery Backup Power Bank for Apple iPhone 6, 6 Plus 5S 5C 5 4S...
20 Small Portable Charger 10800mAh with Built-in USB-C Cable, Mini PD 3A Fast Phone Charging Power... Small Portable Charger 10800mAh with Built-in USB-C Cable, Mini PD 3A Fast Phone Charging Power...

Bestseller No. 1
Universal LCD Battery Charger, Travel chargering for Samsung Galaxy S3 S4 S5 Note 2 3 4, Edge, Mega,...
  • LCD Indicate: Cool Green LCD Indicator Screen shows battery remaining capacity: 25%,50%,75%,100%
  • Fast Speed: The battery charger rapidly charges your spare cell phone battery
  • Adjustable: Input:The length of the battery you are trying to charge should be between 42 and 70mm
  • Universal Charging: Adjustable dock fits over 90% of removable phone batteries and charges via a wall outlet, freeing up your phone for other things
  • Smart built-in IC chip,protections against over heat, short circuit, overcharging and electronic shock
SaleBestseller No. 2
iROCCMIN Galaxy S3 Battery,2500mAh High Capacity Replacement Battery for Samsung Galaxy S3 Verizon...
  • ★[COMPATIBLE MODELS] :Compatible for Samsung Galaxy S3 battery Model: Verizon I535 i9300,T-Mobile T999,Sprint L710,AT&T I747,R530,LTE I9305.2500mAh...
  • ★[HIGH QUALITY BATTERY] :Manufactured and tested under strict quality control standards, Build-in microchip to prevent over-charging,...
  • ★[USAGE TIPS] :Using up all the power of battery for the first three times before charging,and then take a full charge,thus the battery can be...
  • ★[EASY INSTALLATION] :It is highly recommended to find the battery replacement steps on YouTube for the corresponding model before installation....
  • ★[AFTER-SALES SERVICE] :If the product you received is broken, crashed or dented, please do not install it in your device, contact us firstly and we...
SaleBestseller No. 3
iWALK Small USB C Portable Charger, 4500mAh Portable Phone Charger for Android, Power Bank Battery...
  • Pocket Size & Convenient:this iWALK portable phone charger android has a mini size as a lipstick, no need a cord,say goodbye to the mess, the 4500mAh...
  • Wide Compatibility: NOT FOR IPHONE! ! ! This iWALK portable charger is designed for anroid phones, like Sumsang S24, S23 ultra series, Galaxy, Pixel,...
  • User Friendly: connector cover of this ucb c portable charger is made easier to take off and on, LED indicator light is changed to be softer and can...
  • Safe Protection: safe circuit design to avoid over-discharge, over-charge, short-circuit, short-circuit or overload when heating, and automatically...
  • What You Will Get: iWALK usb c portable charger x 1, usb type c charging cable x1, user manual x1,18 months warranty and high quality customer...
Bestseller No. 4
Battery for Samsung Gear S3, 580mAh Ultra High Capacity Replacement Battery for Samsung Gear S3...
  • ❀【Compatible Model】: This Samsung Gear S3 Frontier Replacement Battery Suitable for all Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic...
  • ❀【High Quality Assurance】:Our upgrade EB-BR760ABE Replacement Battery has UL,CE and Rohs certification, uses Grade A+ rated battery cells. Every...
  • ❀【Long Battery Life】: This upgraded Gear S3 Frontier high capacity replacement battery, Battery type: Li- Polyme, Battery Capacity: 580mAh,...
  • ❀【Use Instructions】: Using up all the power of battery for the first three times before charging, and then take a full charge, thus the battery...
  • ❀【After-sales Service】: If you are not satisfied with our product, please contact our friendly customer service through the "Contact Seller"...
Bestseller No. 5
NEWDERY USB C Portable Charger 6600mAh,Small Power Bank, Mini Slim Batttery Pack External Phone...
  • 【6600mAh Power Bank Capacity】The Small USB C Power Bank Built-in 6600mAh Li-polymer battery, provide around 1-1.5 charges for your Android phone....
  • 【Power Bank &Phone Charging Simultaneously】: Equipped with Pass-Through technology, this mini battery pack allows you to charge your phone while...
  • 【Portable Charger USB C Output】Widely compatible with iPhone 15 Pro Max, iPhone 15 Plus, iPhone 15 Pro, iPhone 15, Samsung S23 Ultra, Z Flip,Z...
  • 【Come with a Carrying Case】The Slim portable phone charger is small and lightweight, come with a carrying case, just plug in to charge your phone...
  • 【What You Will Get】1 * 6600mAh portable power bank ,1 * USB C cable,1 * travel pocket,1*user manual,12 months technical problem warranty and 24-h...
Bestseller No. 6
SwanScout Portable Charger for Samsung Watch, 10000mAh Travel Power Bank with Built-in Cables and AC...
  • Built-in Cables & Wall Plug - The SwanScout portable charger features built-in cables for all phone types and a convenient AC wall plug. Additionally,...
  • Designed for Samsung Watch - Specifically crafted for Samsung Galaxy Watch 6/6 classic/5/5 pro/4/4 classic/3/Active 2/Active, this portable power bank...
  • 10000mAh Large Capacity Battery - With a robust 10,000mAh battery capacity, this portable charger can recharge your Samsung Watch more than 10 times,...
  • Two Ways to Recharge the Powerbank - There are two convenient ways to recharge the power bank. Firstly, charge it directly through the built-in AC...
  • What You Get - Your purchase includes the SwanScout Portable Charger, a user manual, and a 24-month warranty. If you encounter any issues, please...
Bestseller No. 7
[580mAh]Battery for Samsung Gear S3 Frontier SM-R760, 2023 New Upgraded High Capacity Replacement...
  • ✅【Compatible Model】Replacement battery compatible with Samsung Gear S3 Frontier SM-R760 and Gear S3 Classic SM-R770 R760 R770 BR760 R765...
  • ✅【2024 New Upgraded Capacity】580mAh high capacity, more power than original standard battery, same size but more capacity and more power life....
  • ✅【Installation Tips】DRECHAS Battery for Samsung Gear S3 Frontier SM-R760 comes with professional complete repair tool kits. If you want to...
  • ✅【More Protections】DRECHAS Samsung Gear S3 Frontier SM-R760 Replacement Battery is made of A-grade high quality batteries. Built-in smart chip...
  • ✅【Great Service】If there are any problem with the product, please contact us in time. We will spare no effort to help you!
Bestseller No. 8
HamnaKhu [2600mAh] Galaxy S3 Battery,New Version Li-ion Battery Replacement for Galaxy S3...
  • ✍>>Compatible Models:This Battery Model is EB-L1G6LLA/LZ/LU, Compatible with Galaxy S3 I9300,I9305 LTE, I535 (Verizon),T999 (Tmobile),I747...
  • ✍>>High Quality Battery:Our Galaxy S3 replacement battery uses an advanced high-quality A+ battery, which extends the life of the battery and...
  • ✍>>Quality certification:Each battery has been tested by strict quality control standards and passed CE and ROHS certification. The quality is safe...
  • ✍>>Best performance: Before charging, use up the power in the battery until the phone is turned off, and then fully charge it. Repeat 3-5 complete...
  • ✍>>Worry-free warranty. If you have any questions about our products, please contact us as soon as possible through the "Contact Seller" function,...
Bestseller No. 9
Venenio [580mAh] Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, Upgrade High...
  • [COMPATIBLE MODEL] This battery only for Samsung Gear S3 frontier (SM-R760) and Samsung Gear S3 Classic R770, R760, R770, BR760, R765. NOTE:Please...
  • [HIGH CAPACITY] Extended 580mAh capacity battery for Samsung Gear S3 Frontier, battery with Power More Than Original/Other Battery. 2024 Brand New 0...
  • [HIGH QUALITY] Every S3 watch battery is tested by professional tester under strict quality control standards,over temperature protection,over...
  • [WORKS PERFECTLY] Battery Capacity: 580mAh/2.11Wh, Voltage:3.85V, Battery Type: Li-ion. Gear S3 Frontier battery size is exactly the same as your...
  • [PACKAGE INCLUDED]: 1 x Battery for Samsung Gear S3 frontier, 1 x Repair tool kits. We provide 24-hour quick reply,30-Day Money Back.If you are not...
SaleBestseller No. 10
SHENMZ Galaxy S3 Battery, New Upgraded 2500mAh Li-ion Replacement Battery for Samsung Galaxy...
  • 【HIGH QUALITY GRADE A PREMIUM BATTERY】:This Upgraded Galaxy S3 battery uses Grade A+ rated battery cells with CE and ROHS certification,ensure...
  • 【COMPATIBLE MODELS】:Suitable for all Samsung Galaxy S3 EB-L1G6LLA/LZ/LU,I9300,I9305 LTE, I535 (Verizon),T999 (Tmobile),I747 (AT&T),L710 (Sprint),[...
  • 【HOW TO USE】:Using up all the power of battery for the first three times before charging,and then take a full charge,thus the battery can be...
  • 【LONG-LASTING REPLACEMENT BATTERY】:Bring your Galaxy S3's battery life back to glory and save the money of an upgrade; get from 0% to 100% power...
  • 【LONG-LASTING REPLACEMENT BATTERY】:Bring your Galaxy S3's battery life back to glory and save the money of an upgrade; get from 0% to 100% power...
Bestseller No. 11
Vida IT Compact Power Bank Portable Charger for Samsung Galaxy S22 S21 S10 S7 Edge Motorola LG...
  • vBot Portable Phone Charger: Mobile battery bank for recharging mobile phones, tablet PC, and heated clothing. It comes with built-in cables, so you...
  • High-Quality Cell: Our power banks are made using the best UN high-quality battery cells. This ensures the battery pack retains its recharge capacity...
  • Compact & Light: The vBot is a compact, small lightweight design battery charger for cell phones, so it's easy to carry in your pocket or bag. With...
  • Capacity: With its 5000mAh capacity, the vBot can recharge phones from 1.5 to 2.5 times. The mini portable charger uses a high-quality cell for longer...
  • Perfect for people who travel. The vBot battery pack is ideal for people who need power but can't get to a wall socket. Portable charger for camping,...
Bestseller No. 12
HUAYOTEK 480mAh Upgraded Replacement Battery for Samsung Gear S3 Frontier SM-R760, R770, R765, Gear...
  • 【Compatible Watch Model】: Compatible with Samsung Gear S3 Frontier SM-R760, R770, R765, Gear S3 Classic, SM-R770,BR760,R765 EB-BR760ABE...
  • 【Simple Way to Use】After installing the battery, please use the original charger to charge it and make sure the battery is fully charged before...
  • 【High Quality】 HUAYOTEK Battery for Samsung Gear S3 Frontier Battery is tested under strict quality control and passed RoHS & CE & FCC certified....
  • 【Easy Installation】HUAYOTEK provide you a set of professional high quality installation tools. Please check the relevant installation video on...
  • 【12 Months Warranty】HUAYOTEK has a professional after-sales team and a one-year free warranty. If there is any problem with the product received,...
Bestseller No. 13
Cleantt Galaxy S3 Battery, 2100mAh Li-ion Battery Replacement for Samsung Galaxy S3, EB-L1G6LLU,...
  • Compatible with all major wireless Carriers for the Samsung Galaxy S3, I9305 LTE, I535 (Verizon), T999 (Tmobile), I747 (AT&T), L710 (Sprint), [ Not...
  • High Qulity:The Galaxy S3 Battery is manufactured and tested under strict quality control standards.Passed FCC, CE and RoHS certification, reliable...
  • Upgraded Spare Battery:This Grade A cells battery will provide you with up to 400 Lifetime Charge Cycles with a high-speed and efficient...
  • Specifications:This Galaxy S3 replacement battery has a capacity of 2,100 mAh,Lithium Ion material, 3.85V Voltage, will make your phone's battery life...
  • Customer Service Guarantee: 24-hour customer service support, 30-day full refund, 24-month quality warranty.If you have any questions, please feel...
SaleBestseller No. 14
[2 Packs] Small Portable Charger 5200mAh, PD Fast Charging USB C Power Bank, Cordless Android...
  • 𝟮 𝗣𝗮𝗰𝗸𝘀 𝗼𝗳 𝗠𝗶𝗻𝗶 𝗣𝗼𝗿𝘁𝗮𝗯𝗹𝗲 𝗖𝗵𝗮𝗿𝗴𝗲𝗿: Lipstick size, around 100g/pcs. 2...
  • 𝗖𝗼𝗿𝗱𝗹𝗲𝘀𝘀, 𝗣𝗹𝘂𝗴 𝗶𝗻 & 𝗖𝗵𝗮𝗿𝗴𝗲: The portable charger is attached a USB C plug-in port, all you...
  • 𝗣𝗼𝘄𝗲𝗿 𝗕𝗮𝗻𝗸 𝗨𝗦𝗕 𝗖 𝗢𝘂𝘁𝗽𝘂𝘁: Specially designed for Android USB C devices users, it widely...
  • 𝗣𝗗 𝗙𝗮𝘀𝘁 𝗥𝗲𝗰𝗵𝗮𝗿𝗴𝗶𝗻𝗴: The small USB C battery pack supports 15W PD quick speed charging. Fully recharge...
  • 𝗠𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗖𝗵𝗮𝗿𝗴𝗲𝗿: Safe circuit design to avoid short-circuit or...
SaleBestseller No. 15
NVUU Portable Charger USB C for iPhone 15 Android 2 Packs 5000mAh Power Bank with Built in Cable,...
  • Portabe Phone Charger for iPhone 15: Portable charger usb c with Built-in Cable is widely compatible with iPhone15 series, Samsung S21, S20 FE, Galaxy...
  • 5000mAh Portable Charger Android: USB C portable charger is the best emergecy portable charging source for tyoe c devices, mini size as a lipstick...
  • All-Day Power for User Friendly: pocket-sized power bank allows you timely charging anytime and anywhere, include on plane. It also slides easily in...
  • Safe Protection Technology: this portable charger usb c safe with circuit design to avoid over-discharge, over-charge, short-circuit, short-circuit or...
  • What You Will Get: Ultra small and lightweight, single unit dimensions is only 2.99''x1.8''x0.97'', weighs 0.2lb, easy to carry where you want to go...
Bestseller No. 16
Replacement Battery for Samsung Gear S3 Frontier and Gear S3 Classic, (𝟐𝟎𝟐𝟑...
  • ⚡【Compatible Model】ABTTER replacement battery kit for Samsung Gear S3 frontier (SM-R760), Model: Samsung Galaxy Gear S3 Classic R770, R760,...
  • ⚡【High Capacity Battery】galaxy gear s3 frontier gear battery is made of high quality Li-ion battery cell, the advanced technology makes...
  • ⚡【Quality Assurance】Each battery tested under strictly quality control standards before shipping and with UL, FCC, CE, ISO9001/14001 and RoHS...
  • ⚡【Easy Installation】We provide a complete set of professional maintenance tools kit.We suggest that you search and watch relevant battery...
  • ⚡【Easy Installation】We provide a complete set of professional maintenance tools kit.We suggest that you search and watch relevant battery...
Bestseller No. 17
VEGER Portable Charger, USB C Power Bank, 5000mAh Mini Battery Pack Fast Charging 20W Small Charging...
  • Portable Charger USB C Output: Widely compatible with Samsung S21, S20 FE, Galaxy A52, Note 20 Ultra, S10 Plus, S10, S10e, Note 9, S9 Plus, S9, Note...
  • Quick Recharging And Quick Charging: Power bank usb c input or usb c connector input supports QC or PD fast charging protocol. Fully recharged only...
  • No Need Extral Cords for charging android phones : If you are Android fans (USB C output) and are tired of carrying cables to charge your android...
  • Addtional Features: USB C battery pack supports pass through charging, when recharging this mini charging bank, it can charge your android phones such...
  • 5000mAh Emergecy Battery Backup Charger: Power bank is true 5000mAh (3.7V Battery), best portable charging source for usbc phone or other USB C...
Bestseller No. 18
[500mAh]Replacement Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic, Upgraded...
  • ❀【Compatible Models】Our batteries are suitable for Samsung Gear S3 Frontier (SM-R760), EB-BR760ABE, GH43-04699A, For Galaxy Gear S3 Frontier,...
  • ❀【Product Specifications】Battery type: Lithium ion, battery capacity :500mAh/1.92Wh, voltage :3.85V. Contents of this package: one high quality...
  • ❀【High-Quality Materials】The battery uses A+ grade lithium ion battery core, special chip to protect the mobile phone from overheating, short...
  • ❀【High Capacity】high capacity, up to 1000 charging cycles, high speed and efficient charging. Upgrades store more power, bring more stand-by...
  • ❀【Worry-free warranty】: Your satisfaction is always our top priority. You can contact us via Amazon message or through our official email on the...
Bestseller No. 19
LQM 20000mAh Dual USB External Battery Backup Power Bank for Apple iPhone 6, 6 Plus 5S 5C 5 4S...
  • High capacity 20000mAh Lithium-ion battery charges two devices simultaneously
  • High Capacity for iPad, Mini, iPhone 6, 6+, 5S, 5C, 5, 4S, Galaxy S5, S4, S3, Note 3, Nexus 4, 5, 7, 10, HTC One, One 2 (M8), Motorola Droid, LG G2,...
  • Slim, ergonomic design is super portable, easy to hold in your hand and put anywhere your want
  • Package includes: 1* 20000mAh Portable Charger, 1* Micro-Usb Cable
Bestseller No. 20
Small Portable Charger 10800mAh with Built-in USB-C Cable, Mini PD 3A Fast Phone Charging Power...
  • 【2023 Upgraded Portable Charger Built in USB-C Cable 】The built-in cable allows you to charge Samsung S21, S20 FE, Galaxy A52, Note 20 Ultra, S10...
  • 【Ultra-Compact 10800mAh Power Bank】Size of credit card and aircraft traveling available. (Size: 3.66”x2.16”x0.86”, Weight: 193g/6.8oz)....
  • 【15W PD Fast Charging Input/Output Port】The USB C Battery Pack Charge the smartphone up to 100% in 1-2 hours. Fully recharge this external battery...
  • 【Power for 3 Devices at once】Built in cable for Type-c phones charging, other USB A port and PD usb-c output/input port for all...
  • 【What You Get】LCD Display Portable Phone Charger*1, USB A to USB C cable, user manual*1, 90-day full refund, 3-years worry-free replacement. If...
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