The SYLO 3600mAh Slim Portable Charger was kindly provided to me by SYLO Technology free of charge in exchange for a fair and unbiased review on Amazon.co.uk. No additional compensation was given in exchange for posting this article on my blog.
The SYLO 3600mAh Slim Portable Charger is available in the UK from SYLO Technology Fulfilled by Amazon.co.uk at a cost of £13.97 with free P&P for Amazon Prime members. At the time of writing the SYLO 3600mAh Slim Portable Charger does not appear to be available onm Amazon.com. (Prices correct at time of posting).
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The SYLO 3600mAh Slim Portable Charger comes supplied wrapped and sealed in clear plastic located in a cardboard insert within a retail style product packaging. Alongside the charger you will find the following accessories.
– A very brief English illustrated instruction and warranty leaflet.
– A basic quality flat USB A to Micro B cable measuring 25.5cm long (excluding connectors).
The following measurements are taken with a digital calliper and are accurate to within 0.1%.
Length = 106mm
Width = 41.21mm
Depth = 11.69mm (at its greatest point, the bulk of the device is just 9.19mm thick)
Weight = 72g
The SYLO 3600mAh Slim Portable Charger is a very well made good quality device. Personally, I would go with the black charger as the white plastic will obviously show up dirt easier. The chassis of the device is constructed from a good quality, finely textured ABS plastic that is both durable and offering a nice feel and grip in the hand.
The chassis is rectangular and almost entirely flat and very thin. Around the ports the device has been slightly enlarged to provide space for the ports themselves, which has been nicely done looking much like an MP3 player without any controls or screen.
On the top edge discreetly placed can be found device specification and safety certification information and on both sides of the chassis on the raised section can be found SYLO branding in silver lettering. At the bottom edge can be found a single USB A 1.5A output, Micro B input and three capacity LED indicators.
There is no power button and the device begins to charge as soon as a cable is connected. The LED indicators each indicate a 33.33% charge sadly the only way to see the current charge capacity is to either charge the power bank or use it to charge another device.
The following testing was conducted using a Drok USB multimeter and the power bank was first obviously left to charge overnight till 100% full before testing.
The first device up for charging was a Motorola Moto G 2nd Gen. The Moto G which has a capacity of 2070mAh and was already 72% charged. The phone was switched on, WiFi was on but everything else was off including the screen. Initial readings were 5.04v, 0.98A, 4.999w.
After 5 minutes the phone was charged 3% (5.04v, 0.93A, 4.737w).
After 11 minutes the phone was charged 8% (5.5v, 0.82A, 4.242w).
After 26 minutes the phone was charged 16% (5.06v, 0.47A, 2.433w).
After 34 minutes the phone was charged 19% (5.05v, 0.36A, 1.825w).
After 48 minutes the phone was charged 22% (5.08v, 0.23A, 1.219w).
After 57 minutes the phone was charged 24% (5.07v, 0.18A, 0.916w).
After 1 hour and 5 minutes the phone was charged 28% and was now fully charged.
The total output of the power bank while charging the Moto G was 594.7mAh + 10mAh consumed by the multimeter.
Total estimated power bank output at this point = 604.7mAh
Next up was a Samsung Galaxy Note 10.1″. The Note 10.1” has a capacity of 7000mAh and was already 66% charged. The tablet was switched on, WiFi was on but everything else was off including the screen. Initial readings were 5.07v, 2.332w, 0.46A and the tablet battery indicator had a red cross through it. The power bank is capable of charging the tablet, its just slower than a 2.1A charger would be.
After 30 minutes the tablet was charged 4% (5.07v, 0.46A, 2.332w). At this point one of the LED indicators had gone out indicating the capacity had dropped 33.33%.
After 1 hour and 15 minutes the tablet was charged 10% (5.07v, 0.46A, 2.332w).
After 1 hour and 35 minutes the tablet was charged 15% (5.07v, 0.46A, 2.332,w).
After 2 hours and 6 minutes the tablet was charged 20% (5.07v, 0.46A, 2.332w).
After 2 hours and 22 minutes the tablet was charged 22% (5.07v, 0.46A, 2.332w).
After 2 hours and 48 minutes the tablet was charged 26% (5.07v, 0.46A, 2.332w).
After 3 hours and 33 minutes the tablet was charged 32% and the power bank was now dead.
The total output of the power bank while charging the Note 10.1” was 2249.8mAh + 35mAh used by the multimeter.
The total output of the power bank from fully charged to fully dead during one somewhat slightly non scientific test that was not conducted in a controlled environment with results that should not be taken too seriously and are as such just a guide gave an output reading of 2889.5mAh.
With the power bank having a capacity of 3600mAh this indicates an efficiency of 80.26%. The average efficiency of these devices is about 80% and more premium devices offing an efficiency of around 90% with few managing more than 93%. Considering the price the efficiency rating isn’t bad at all.
In reality there is probably a +/- 2% to 3% margin of error in my results.
A couple of additional points
– After nearly 4 hours of constant use the power bank never even became slightly warm to the touch.
– Charging the SYLO 3600mAh power bank on a USB 2.0 port takes approximately 5 hours.
Thank you for taking the time to read this review, I hope it has been helpful to you. If you have any questions or comments regarding this review, please post a comment below and I will do my best to answer them.
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