Samsung Galaxy S7 comes with a 3000 mAh battery and supports Samsung’s 15-watt adaptive fast-charging that charges it to from empty to 50% in 30 mins and fully in about 90 mins. Best portable chargers for Samsung Galaxy S7 can charge it at same super fast speeds as its AC adapter. Also, as S7 is now a bit old, it is important that such charges should also be compatible with the latest and upcoming Samsung phones with support for features such as USB-C PD fast-charging input/output.
Here is our list of best power banks for Samsung Galaxy S7.
Best Overall Portable Charger for Samsung Galaxy S7
ZMI PowerPack 10000 USB-C 18-watt
ZMI PowerPack 10000 USB-C 18-watt is an ultra-slim portable charger that can fast-charge Samsung Galaxy S7 at its maximum possible charging speed of 15-watts (zero to 50% in 30 minutes). Also, the power bank itself gets charged super-quick with the Samsung S7 wall charger via the micro-USB port in just 5 hours.
ZMI PowerPack 10000 USB-C 18-watt will fully fast-charge your Samsung Galaxy S7 from empty more than two times and still have some battery left. In fact, it has enough battery to charge the S7 from 30% to 100% about three times.
The portable charger supports Samsung 15-watt Adaptive fast-charging which fast-charges all the Samsung devices (including S21 series/Note 20/A52/A72 etc. ) ZMI PowerPack 10000 USB-C 18-watt supports full QuickCharge 3.0 compatibility as well as 2.4 amp charging support for charging iPhones (iPhone 8, 7, 6s, 6, 5s) and all the older Android phones.
The power bank packs enough power to charge most of the other latest Android phones (S21/S20 series) about two times. It also charges all the large-screen iPhones (iPhone XR, XS, X, 8 Plus, 7 Plus) more than two times as well. It charges all small-screen iPhones (iPhone 7, 8, 6, 6s) almost four times! (20% to 100% four times) ZMI PowerPack 10000 USB-C 18-watt will charges all iPhones at three to four times the speed of Apple iPhone charger.
ZMI PowerPack 10000 USB-C 18-watt gets fully charged in 4 hours with QuickCharge 3.0 wall charger and in 5 hours with the Samsung S7 charger.
The portable charger weighs 7.2 oz (about 210 grams) which is great for 10000 mAh battery capacity and has dimensions of 5.7 x 0.6 x 2.8 inches.
ZMI PowerPack 10000 USB-C 18-watt Pros
- Fast-charges Samsung Galaxy S7 from zero to 50% in about 30 minutes
- Charges Samsung Galaxy S7 two times
- Has noth micro-USB and USB-C ports for charging the power bank
- Pocketable as it is very slim at .55 inches thickness
- Charges most latest Android phones (S21 series, Pixel 5 etc.) about two times
- Will charge all the large-screen iPhones more than two times.
- Charges small-screen iPhones (8, 7, 6s, 6) more than three times
- Reasonably priced ultra-slim Quickcharge portable charger
- Gets fully charged in just 5 hours with the S7 wall charger
Cons
- None
Best Slim Portable Charger for Samsung Galaxy S7 (Runner Up)
Anker PowerCore Slim 10000 PD USB-C
Anker PowerCore Slim 10000 PD USB-C is our #2 pick for the Samsung Galaxy S7. It has a slimline design with protective silicone shield and is easy to hold in hand and keep in pockets. The portable charger supports 15-watt Samsung Adaptive fast-charging which will charge all the Samsung phones at their fastest supported charging speed of about zero to 50% in 30-40 minutes. PowerCore Slim 10000 PD USB-C will fully fast-charge your Samsung Galaxy S7 as well as most other latest Samsung phones (S21/S20 series etc.) more than two times. It will charge the new S10 Plus, Note 10, Note 10 5G about 1.5 times (from 25% to 100% twice)
Anker PowerCore Slim 10000 PD USB-C also charges all the large-screen iPhones (iPhone 13/12/11 etc. ) more than two times and all the small-screen iPhones (iPhone 7, 8, 6, 6s) more than three times. The power bank will charge all iPhones at twice the speed (2+ amps) of the Apple iPhone wall charger (1-amp)as it supports 2.4 amp charging.
Anker PowerCore Slim 10000 PD USB-C gets fully charged in about 5 hours with Samsung S7 charger or any QuickCharge 3.0 charger via the micro-USB charging port.
The portable charger weighs about 7.4 oz (about 215 grams) which is decent for 10000 mAh battery capacity. Anker PowerCore Slim 10000 PD USB-C measures 5.4 x 2.6 x 0.6 inches which allows it to fit in hands with most flagship smartphones for seamless charging.
Anker PowerCore Slim 10000 PD USB-C Pros
- Fast-charges the Samsung Galaxy S7 from zero to 50% in 30 minutes
- Gives two full charges to the Samsung S7
- Slimmest fast-charging power bank by Anker
- Gets fully recharged in about 5 hours with S7 charger
- Ultra-thin, sleek, and light in weight and pocketable
- Weighs 7.2 oz
- Fast-charges all the latest iPhones more than two times
- Charges small-screen iPhones (8, 7, 6s, 6) more than three times
- Will charge iPhones two times faster than Apple iPhone charger
Cons
- No micro-USB port for charging directly with S7 charger. But coms with a USB-A to USb-C cable for charging it with S7 charger
Best Future Proof High-Capacity Portable Charger for Samsung Galaxy S7 and Laptops/Macbooks
ZMI Powerpack 20000 USB-C 45-watt PD
RAVPower 20000 PD is a 45-watt output power bank perfect for modern USB-C laptops and Macbooks. This power bank is the best high-output portable charger for Samsung Galaxy S7 as it fast-charges the S7 via USB-C PD and also comes with huge 45-watt USB-C Power Delivery output for fast-charging laptops/Macbooks.
The 45-watt USB-C PD output makes this power bank future-proof for upcoming Samsung phones. Samsung plans to introduce 25-watt and 45-watt charging in its latest and future phones – S21/S22 series. The 45-watt output ZMI Powerpack 20000 USB-C 45-watt PD makes sure that these future phones can also be charged fast with the power bank.
The portable charger will fast-charge your Samsung Galaxy S7 more than four times via its USB-C PD port. ZMI Powerpack 20000 USB-C 45-watt PD will also fast-charge all latest iPhones (XR, XS, X, 8) and most other latest Android phones (including S21/S20 series etc.) from zero to 50% in just 30 minutes.
ZMI Powerpack 20000 USB-C 45-watt PD will charge all the latest screen large screen iPhones (iPhone 13/12/11 series) about five times and all the small-screen iPhones (8, 7, 6s, 6, 5s) about seven times. The portable charger will fast-charge most USB-C laptops, chromebooks, iPads, other tablets, and MacBooks with the huge 45-watt USB-Power Delivery output. ZMI Powerpack 20000 USB-C 45-watt PD packs enough power so as to charge MacBook Air or MacBook Pro almost once.
The portable charger has a USB-C PD charging port and a regular USB port.
Weighing 14 oz (about 395 grams) which is pretty light for 20000 mAh capacity, ZMI Powerpack 20000 USB-C 45-watt PD has dimensions of 6.3 x 3 x 0.9 inches which is still very portable for a Power Delivery output portable charger with huge 20000 mAh battery capacity.
ZMI Powerpack 20000 USB-C 45-watt PD can be charged with any 30-watt USB-C Power Delivery charger including MacBook chargers in about 4 hours. It can also be charged via micro-USB charges as well and this means that you can charge it with the Samsung S7 charger directly in about 12 hours..
ZMI Powerpack 20000 USB-C 45-watt PD Pros
- Charges Samsung Galaxy S7 than four times
- Charges Samsung S7 from zero to 50% in about 30 minutes
- Will charge all Samsung Smartphones zero to 50% in just 30 min
- Charges two devices at the same time
- Will charge all the large-screen iPhones more than four times.
- Charges small-screen iPhones (8, 7, 6s, 6) more than seven times
- 45-watt PD output charges MacBook Air and MacBook Pro almost once
- Can be charged with 30-watt USB-C Power Delivery MacBook charger
- Gets recharged in about 4 hours by any 30-watt USB-C PD charger
- Can be charged by micro-USB and USB-C cable
- Supports 2.4 amp charging for older iPhones and Android phones
- Weighs around 14.1 oz (398 grams) which is great for 20000 mAh
- Fast-charges latest iPad Pro, iPad mini, and iPad Air
Cons
- None
Best Value for Money Compact Portable Charger for Samsung Galaxy S7
ZMI PowerPack 10000
Supports 15-watt S7 fast-charge and also has USB-C port for charging with S21/S22 USB-C adapters
ZMI Powerpack 10000 is an excellent portable charger in Xiaomi/ZMI’s 10000 mAh battery capacity range and the first USB-C PD charger from ZMI in 10000mah capacity. It is one of our favorite portable chargers for Samsung Galaxy S7 as it is lightweight, compact and fast-charges the S7 at its maximum possible speed via the micro-USB port. The portable charger will fast-charge your Samsung Galaxy S7 fully more than two times and from zero to 50% in just 30 minutes.
The portable charger will fast-charge most latest Android phones (Samsung S21/S20 series etc.) and the latest iPhones (13/12/11 series) at 10-watt. ZMI Powerpack 10000 will fast-charge most Android phones (S21/S20 series etc.) about two times, all the small-screen iPhones (iPhone 8, 7, 6s, 6) more than three times, and all the large-screen iPhones (iPhone 13/12/11) more than two times.
ZMI Powerpack 10000 has two ports for charging the power bank – a USB-C port for new adapters and a micro-USB port for charging with S7 adapter or any old Android adapter.
It takes about 7 hours to get fully charged with the Samsung S7 charger via the micro-USB port. ZMI Powerpack 10000 will get fully charged in 3.5 hours with a USB-C Power Delivery charger that are required for new S22/S21/S20 phones .
The power bank weighs 6.8 oz (192 grams) and has dimensions of 4.5 x 2.0 x 1.0 inch which is smaller than Anker;s older PowerCore 10000 models.
ZMI Powerpack 10000 Pros
- Charges Samsung Galaxy S7 from zero to 50% in just 30 minutes
- Fully charges Samsung Galaxy S7 more than two times
- Premium build quality
- Dual ports for charging power bank – USB-C port and micro-USB port
- Charge all large-screen iPhones more than two times.
- Charges small-screen iPhones (8, 7, 6s, 6) almost four times
- Fast-charges all Pixels via USB-C PD
- Charges older Android phones from zero to 50% in about 50-55 minutes
- Gets fully charged in just 5 hours via a USB-C PD charger
- USB-C to USB-C cable included
- Weighs 7.2 oz which is great for 10000 mAh battery capacity
Cons
- None at this price point
Best 20000mah Portable Charger for Samsung Galaxy S7 (almost 5 charges for S7)
Anker PowerCore Essential 20000 20-watt USB-C PD Comes with cable for charging with S7 adapter
Anker PowerCore 20000 20-watt USB-C PD is a premium fast-charging power bank especially built for Samsung phones including the S7. It fast-charges the S7 at its maximum possible 15-watt speed (zero to 50% in 30 mins. The 20000mah capacity is adequate for fully charging the Samsung Galaxy S7 almost five times.
Its 15-watt Samsung Adaptive fast-charging support enables PowerCore II 20000 to fast-charge all the other latest Samsung phones such as S10, S10 Plus, S9, S8 Plus, Note 8, besides the Samsung Galaxy S7 in case you plan to upgrade later.
PowerCore 20000 will fully charge large-screen iPhones (iPhone 13/12/11 etc.) about five times and all the small-screen iPhones (13/12 mini, SE 2020, 8, 7, 6s, 6, 5s) about seven times. The portable charger will charge all iPhones at the speed twice than the speed of the Apple’s stock iPhone charger as it supports 2.4 amp charging. PowerCore 20000 can even charge most iPads (or Samsung Galaxy Tabs) once and still have enough battery to charge the S7 once.
The portable charger can be fully charged with the S7 charger or any QuickCharge 3.0 charger in 6 hours.
Anker PowerCore 20000 weighs 13 oz (about 370 grams) and measures 6.4 x 2.7 x 0.9 inches. The portable charger has a textured grippy ergonomic design and feels premium in hand.
Anker PowerCore 20000 Pros
- Charges Samsung Galaxy S7 from 20% to 100% five times.
- Charges Samsung Galaxy S7 zero to 50% in about 30 minutes.
- Will fully charge large-screen iPhones from 20% to 100% more than six times
- Will fully charge all the small screen iPhones seven to eight times
- Fast-charges all the older iPads (Mini, Pro, Air) at 2.4 amps
- Fast-charges all the latest Samsung phones (S21/S20 series etc.)
- Supports Quickcharge 2.0 equivalent charging for Android phones
- Supports 2.4 amp charging for iPhones and Android phones
- Can be fast-charged with any Samsung charger or any QuickCharge 3.0 charger
- Weighs 13 oz (370 grams)
- Excellent build quality
- Comes with two cables.
Cons
- No micro-USB port for charging directly with S7 charger. But comes with a USB-A to USB-C cable for charging it with S7 charger