Samsung Galaxy S6 wasa flagship phone with a somewhat low 2,550mAh battery. If you use the phone regularly, and do not take advantage of any power saving modes, it is very hard to get a full day out of this phone. The S6’s battery life is inferior to that of S5 and power banks are the easiest solution to this. The best portable chargers for Samsung Galaxy S6 supports its fastest charging mode of 15-watt charging.
We have picked our favorite portable chargers and without further ado, let’s dive right in.
Best Slim Portable Charger for Samsung Galaxy S6
ZMI 10000 USB-C PD 18-watt
ZMI Powerpack 10000 USB-C is our top pick among slim portable chargers for Samsung Galaxy S6. This portable charger not only supports Samsung 15-watt Adaptive fast charging for all Samsung devices including the latest S10/S10+ but also does that in a handy slimline form-factor. This new innovative ZMI 10000 USB-C Slim has a smaller body, faster charging and recharging, than older power banks from Anker and ZMI.
The portable charger fast-charges all the latest Samsung phones including Samsung S20, S10, S10 Plus, S9 Plus, S8, S8 Plus, Note 9, Note 8, S7, etc as it supports USB-C PD and 15-watt Samsung Adaptive fast charging. It also fast-charges most Android phones ( including Pixel 5, 4, 3, Pixel 3 XL, LG G8 ThinQ, G7 etc.) about two times, and also all the small-screen iPhones (iPhone 8, 7, 6s, 6) more than three times. It fast-charges all the large-screen iPhones (iPhone 12, 11, XR, XS, X, 8 Plus, 7 Plus) more than two times.
ZMI 10000 Slim gets fully charged in about 5 hours with any of the Samsung phone chargers. ZMI 10000 Slim can also be recharged with any QuickCharge 3.0 chargers or new samsung S/Note/A series chargers. It can be charged via both micro-USB and USB-C ports.
ZMI 10000 Slim 10000 weighs 7.4 oz (210 grams) and has dimensions of 5.4 x 2.6 x 0.6 inches which make the power bank fit perfectly in hand with flagship smartphones for seamless charging.
ZMI Powerpack 10000 USB-C Slim Pros
- Will charge Samsung Galaxy S6 from zero to 50% in just 30 minutes
- Fully charges Samsung Galaxy S6 more than two times
- Ultra-slim design
- Supports 18-watt USB-C and QuickCharge 3.0
- 18-watt USB-C PD fast charging for newer Samsung phones S20, Note 20/10, A52/51/50 etc.
- Fast charges latest iPhones 12, 11, XS, XR, 8 to 50% in just 30 minutes.
- Supports 2.4 amp charging for older iPhones and Android phones
- Enough power to charge even high-power devices like tablets
- Will charge all the large-screen iPhones more than two times.
- Charges small-screen iPhones (8, 7, 6s, 6) more than three times
- Charges older Android phones from zero to 50% in about 50-55 minutes
- Weighs 7 oz which is great for 10000 mAh battery capacity
- Can be charged directly with S6 micro-USB charger or with new USB-C chargers
- Comes with a USB-C to USB-C cable and a USB-C/USB-C cable
Cons
- None
Best Upgrade Ready Portable Charger for Samsung Galaxy S6
Anker 10000 Slim USB-C PD
Aukey 10000 Power Delivery is our top pick as upgrade ready portable charger for Samsung Galaxy S6 as it will charge both the latest iPhones and Android phones because it supports both USB-C Power Delivery, which is the new universal preferred multi-voltage charging standard, and QuickCharge 3.0 which charges phones up to four times faster than conventional 1 amp charging. It also supports 2.4 amp charging for older iPhones and Android phones.
Anker 10000 Slim USB-C PD also fast-charges most other Samsung and Android phones (including Pixel 5, 4, 3, Pixel 3 XL, LG G8 ThinQ) about two times, and also all the small-screen iPhones (iPhone 8, 7, 6s, 6) more than three times. It will fast-charges all the large-screen iPhones (iPhone 12, 11, XR, XS, X, 8 Plus, 7 Plus) more than two times.
Anker 10000 Slim USB-C PD is also one of our favorites as it comes with a special mode for charging of low-current devices (that require charging current below 60mAh) such as fitness trackers or wireless headphones that may not be recognized by the standard charging protocols of other power banks.
Another cool feature that makes Anker 10000 Power Delivery one of our most preferred portable chargers is that it can be charged in three ways. The power bank can be charged with Apple Lightning cable, with a micro-USB cable, or with a USB-C cable. It gets fully charged in just 3.5 hours with a USB-C Power Delivery charger.
Anker 10000 Slim USB-C PD weighs 7 oz (200 grams) and has dimensions of 5.21 x 2.82 x 0.55 inches, which makes it easy to slip the portable charger in your backpack, laptop bag, or even your pockets. The fingerprint-resistant, textured surface has a great look and feel and is much better than Anker older 10000mah PD power bank .
Anker 10000 Slim USB-C PD Pros
- Will charge Samsung Galaxy S6 from zero to 50% in just 25 minutes
- Fully charges Samsung Galaxy S6 more than two times (2.5 times)
- Supports 18-watt USB-C Power Delivery
- Fast charges latest latest Samsung S21/S20 Note etc.
- Fast charges latest iPhones 12, 11, XS, XR, 8 to 50% in just 30 minutes.
- Supports 2.4 amp fast charging for older iPhones and Android phones
- Enough battery capacity to charge even high-power devices like tablets
- Will charge all the large-screen iPhones more than two times.
- Charges small-screen iPhones (8, 7, 6s, 6) more than three times
- Charges older Android phones from zero to 50% in about 50-55 minutes
- USB-C to USB-C cable included
- Weighs just 7 oz
Cons
- None
Best High Capacity Portable Charger for Samsung Galaxy S6
Anker PowerCore Speed 20000
Anker PowerCore Speed 20000 is a high-capacity high-speed portable charger and is Anker’s only external battery pack in 20000mah capacity with QuickCharge 3.0 input/output. This portable charger packs enough battery capacity to fast-charge Samsung Galaxy S6 more than five times!
The power bank fast-charges all the QuickCharge 3.0 compatible devices which means that the portable charger delivers the fastest possible charge to most of the latest Android phones including the latest Samsung S10, S10 Plus, S9 Plus, S7, etc and the latest LG phones. PowerCore Speed 20000 packs enough power to fast-charge iPad Air 2 one and a half times. Anker PowerCore Speed 20000 also supports 2.4 amp charging for charging of older Android phones and older iPhones.
PowerCore Speed 20000 can charge all the large-screen iPhones (iPhone 12, 11, XR, XS, X, 8 Plus, 7 Plus) more than five times and all the small-screen iPhones (iPhone 7, 8, 6, 6s) more than 7 times.
It takes about 5 hours to get fully charged from empty with any Quickcharge 3.0 charger (or Samsung phone chargers). The power bank is charged via a micro-USB cable.
PowerCore Speed 20000 weighs 12.6 oz (about 360 grams) and measures 7.4 x 2.8 x 0.7 inches, which makes it among the lightest portable chargers in 20000 mah capacity.
PowerCore Speed 20000 Pros
- Charges Samsung Galaxy S6 more than five times
- Charges Samsung S6 from zero to 50% in about 25 minutes
- Will charge all Samsung smartphones including S10/S10+ from zero to 50% in just 30 min
- Will charge all the large-screen iPhones more than five times.
- Charges small-screen iPhones (8, 7, 6s, 6) more than seven times
- Can be charged with any Quickcharge 3.0 charger in 5 hours
- Supports zero to 50% in 40-50 min fast charging for older iPhones and Android phones
- Weighs around 12.6 oz (398 grams) which is great for 20000mAh
Cons
- Not compatible with devices with an input below 50 mA (such as many new wireless earbuds)
Best Ultra High Capacity Portable Charger for Samsung Galaxy S6
Anker PowerCore+ 26800
Anker PowerCore+ 26800 has the maximum battery capacity allowed by the TSA (Transportation Security Administration). The power bank features Qualcomm Quickcharge 3.0 technology for charging phones and the power bank itself and features premium materials. The Qualcomm Quick Charge 3.0 output allows the power bank to charge all compatible devices at blitz speeds of up to zero to 80% in 35 minutes. The power bank will fast-charge your Samsung Galaxy S6 fully about seven times! What is more, it will charge it from zero to half battery in just 25 minutes.
Anker PowerCore+ 26800 will fully charge all the large-screen iPhones (iPhone XR, XS, X, 8 Plus, 7 Plus) more than seven times and all the small-screen iPhones (iPhone 7, 8, 6, 6s) more than ten times. This will also charge all the latest Android phones (S10, S10 Plus, S9 Plus, Pixel 3 XL, Pixel 3, LG G8 ThinQ, G7, G6, V50, V40) about five times.
The powerbank gets charged in about 7-8 hours with a Quickcharge 3.0 wall charger (or the S6 charger) and is charged via the micro-USB port.
Anker PowerCore+ 26800 weighs 20 oz (about 580 grams) and measures 6.5x 3.1 x 0.9 inches. The power bank is a bit large but given its high capacity, it is expected.
Anker PowerCore+ 26800 Pros
- Charges Samsung Galaxy S6 more than seven times
- Charges Samsung S6 from zero to 50% in about 30 minutes
- Will charge all Samsung Smartphones zero to 50% in just 30 min
- Will charge all the large-screen iPhones more than seven times.
- Charges small-screen iPhones more than ten times
- Can be charged in 7-8 hours with the S6 charger or any Quickcharge 3.0 charger
- Maximum battery capacity allowed by the TSA
- Supports 2.4 amp charging for older iPhones and Android phones
- Comes with a QuickCharge 3.0 charger
Cons
- 20 oz is a bit bulky