Develop Bugs

[Review] Discreet Powerbank lipstick tube style. Perfect for ladies (Gentleman too)

Well, I have this powerbank that is one nifty little gadget. Now, being a guy I don't mind carrying a bigger powerbank in my bag for those critical must charge situations. Whenever I'm out in the city and one of my female friends are around they sometimes need a quick phone charge during lunch. So I pull me powerbank out, connect a cable and plug in their phone. They're impressed by it but always say, "That's so cool, but it's way to big for me to carry around."
So Ravpower created this little guy. The Lipstick tube style 3000 mah powerbank w/ built in 3 mode flashlight.
Comes in a simple box with manual. Powerbank and a white usb cable. No wall charger included.
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Item Weight 3 ounces
Product Dimensions 4.6 x 0.9 x 0.9 inches
Item model number RP-PB08
Size 3000mAh
Color Gold
Power Source AC & Battery
I offered it to a couple of my friends who are ladies to try it out and see how they liked it. It was an overwhelmingly useful gadget they insisted. Big enough to recharge their phones from Instagram,Facebook, Twitter, taking selfies or pics of their food but small enough to keep in their clutch or bag. Not only is it small but light in weight also.
Build Quality is excellent! Feels solid, nothing loose, no creaking or flex that I can tell.
If Gold isn't your style there are 4 colors to choose from:
Gold - 3000 mah
Silver - 3000 mah
Black - 2600 mah
Pink - 2600 mah
That being said, not all colors have the same battery capacity as the Black and Pink have small capacities of 2600 mah but the silver and gold has the bigger 3000 mah.
Pics:
The diameter is barely bigger than a nickel but smaller than a quarter.
Pic for size comparison:
Flashlight has 3 modes.
High
Low
Strobe
The flashlight is ridiculously bright and could be used to guide ships from sea if need be. A single button is used to cycle between the modes.
Press once: High beam
Press a second time: Low Beam
Press a 3rd time: Strobe
Press a 4th time: back to off.
Charging the Device is simple. All you need is a usb port or a standard wall charger with a usb port. The micro usb port is used to charge the powerbank itself. The full usb port is used to charge your device.
There is no battery indicator on how much charge is left.
When Charging a red light indicates that its not a full charge.
A blue light indicates its at full charge.
A few tests charging my nexus 5:
Starting @ 69%.
79% - 10 minutes
85% - 17 minutes
92% - 25 minutes
100% - 42 minutes
so in emergencies it does a good job for a quick mini charge till you get to a wall plug charger. It does get warm when charging your phone but it does NOT get hot.
It was able to charge:
Nexus 5
Nexus 7 2013
S3
Iphone 5
S2
Sansa Clip Zip mp3 player
So if you want a powerbank for quick emergency charges this is the Powerbank for you. It's small and lightweight. Don't expect to be able to charge your device multiple times before it runs out of juice itself.

RAVPower® Xtreme 23000mAh 3-Port Portable External Battery Charger with Multi-Voltage

GET IT HERE​
Beast!!! :good::good: I could just say that and it would be enough. But I will tell more. For the price it is at right now, you simply cannot beat it. Nothing is close to this. Trust me I know. I have a ton of chargers. I outfitted my family and have plenty for me. But there is no doubt this is numero Uno for me right now! Most of my products are from RAVPower, the reason being is they have GREAT customer service and they ship very, very quick. I have had one charger go bad, and they immediately replaced it. Anyways let me tell you about this bad boy.
It can charge multiple devices, Smartphone’s, laptops, tablets, all Apple products and much more. You can charge three devices at the same time, yes I tried it. It didn't let me down. My laptop and 2 Smartphone’s. It charged them all very rapid and still had 30% power when I finished! Just as an illustration I charged my Smartphone alone the first time and it took 55 minutes and only took 13% of the charge. I also charged my laptop alone, it was at 50% and it took it appx. 50 minutes and it was charged fully and barely put a dent in the remaining charge. The battery's size comes in at 4.88" by 7.28", and its 0.75" thick. It comes with an AC adapter for the wall.
The design is sleek. It has a black chromium style look. The coolest new feature on a RAVPower product that I have seen is the LCD screen that shows the remaining charge and when connected. It also allows you to change the voltages. I hope they continue this with future devices.
It contains high quality reliable lithium-ion polymer battery cells. 2 USB Smart Ports to charge ALL devices at their max speed. It has a huge range of output voltage: 5V, 9V, 12V, 16V, 19V, 20V. It also contains the built in safety features that come with all RAVPower products. Protection for over charge, over voltage, over current, over temperature and short circuit.
Package includes: RAVPower Xtreme 23000mAh External Battery, 110 - 240V AC charger, an assortment of charging tips, a nice box case and a pouch to utilize for on the go. And ff course, the instruction manual.
I highly recommend this product. If you need lots of power, then this is a must have. Especially at that price it is now. My officially approved stamp of a great product!
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RAVPower® Xtreme 23000mAh 3-Port Portable External Battery Charger with Multi-Voltage (9V/12V/16V/19V/20V - LCD Display) for Digital Cameras, Camcorder,Surface Tablets,Asus Tablets,Acer Tablets,HP, Dell, Acer, Asus, Toshiba Netbooks Laptops,iPhone 5S, 5C, 5, 4S, iPad Air, 5, 4, 3, 2, Retina iPad Mini 2, Samsung Galaxy S5, S4, S3, Note 2, Note 3, Galaxy Tab and any other devices (Apple adapters - 30 pin and lightning, not included)

[Review] Vinsic Tulip 3200mAh Power Bank

I always needed a power bank for my Nexus 5 because it dies really fast when I have LTE, GPS on using navigation or taking pictures on any tours. I came across to this one in Amazon, Vinsic Tulip 3200mAh Power Bank. I am very happy to say that I am more than satisfied with the quality and effectiveness of the product. It got delivered in 3 days and also available in Amazon Prime.
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Features:
Powerful 3200mAh external mobile battery charger
Ultra slim alluminum alloy body
Designed with a 5V 1A output USB port
Built-in 4 LED indicators to show the charging status and battery level
Compact size which saves space and convenient to carry anywhere
for iPhone, iPad, iPod, LG, Sony, Samsung devices, HTC phones, digital cameras, game consoles, MP3/MP4 players and more.
It supports over-charged, over-discharged, over-voltage, over-current and short circuit protection, safe and reliable
First Impression:
After I opened the box of the product I found out that the power bank is charged up to 3 battery level light indicators. I charged it to 100% and to test I connected my Nexus 5 with it. It took little over than 75 minutes to charge my phone. Then I connected the power bank to my charger to recharge it for future usage. It took just more than 2 hours to charge it to 100% as I could see the battery level light indicator which helps you greatly to keep a track of the power level. I definitely think this product does its job perfectly and on time and it is a very useful product for someone like me. Now I don't have to panic about my phone dying when I am on any trip.
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I was just looking at this companies 20,000mAh unit but I like this one also. May need to buy both, try for review.

darren.wlsn1 said:
I was just looking at this companies 20,000mAh unit but I like this one also. May need to buy both, try for review.
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Me too,i like the 20000mah one,it could charge my nexus 5 at least 4 times,I will buy it tomorrow with they re car charger. Looking at those 2 reviews here at xda seems a quality brand.When I will receive my products I will do a review and some testing like i ve done for some cables difference in charging speed.If those products are good the same as the design i will buy this one for my girlfriend s nexus 4

It seems great, I order one and the I will put a review too.
_____________________________________Read more write less and be smart

Siggey let me know about your review as I might be interested in one, I was just looking at the 20,000 Mah one as well.

how long it takes to charge Samsung S6?

I like this unit since its just big enough for a full charge or just a quick top off but easy to carry around

This charger is nice so far I got the 6000mah one its nice small and charges the s6 edge fairly quickly.

Closing this thread for the time being. Please do not post a new one.

[Review] Portable Power Bank-DBPOWER

DBPOWER® 300A Peak 8000mAh Portable Car Jump Starter
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Product Detail :
DBPOWER® 300A Peak 8000mAh Portable Car Jump Starter
Model: DJS40
Colour Option :Red or Yellow
Car Voltage: 12V
USB power Output: 5V /2.1A
Voltage :5V/2.1 A
Starting Current :150 A
Peak Current :300 A
Life Span :1000
Battery : 8000 mAh
Working Tempertature: 10°C~60° C
Price : £29.99
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What do you get inisde the box?
1x DBPOWER DJS40 Portable Jump Starter
1x Crocodile Clips
1x Android USB Line
Warranty card and Car Start guide and info
Power Bank On Action:
Product Feature:
A must have for every car!
Make sure you and your loved ones can get home when stranded. This will jump start your 2.5L gas engine up to 20 times on a single charge.
3 Modes LED Light
It has 3 modes LED light (high, strobe and SOS), It's an emergency life saver when you go camping , picnic, outdoor adventure or investigation.
Cool Design
The rugged appearance of bold color. Blue power LED indicator flashed on the surface, make it looks so cool.
Portable USB Charger
It charges cellphones, tablets, kindles, anything with a USB port and then some. Charge your device together anywhere anytime.
Super Slim
Unlike traditional bulky jump starter packs, it's small enough to store in your glovebox and light enough to pack in your bag. Slim enough to charge your device as a power bank. Small enough to hold as an iPhone 6.
Longest Warranty on Amazon
At DBPOWER, we provide 3 year warranty and provide friendly, easy-to-reach support.
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Code:
For Optimal Use:
[LIST][*]Charge the jump starter at least once every 4 months to avoid shortening its lifespan.
[*]Compatible with 2.5L and lower gas engines.
[*]Recharge your vehicle's battery as soon as possible after jump starting.[/LIST]
ATTENTION:
[LIST][*]If less than 25% charged, it may not be able to start your engine.
[*]Do not connect the positive and negative polarity together when it's power on[/COLOR][/LIST]
Pro and Con
Pro
High quality designee with matt finish
Fits on pocket
High power capacity for the price
Fast charging ports quickly dispense power
Convenient built-in flashlight
Small and durable form factor
Small But very powerful
Car Jump Start
Con:
Only one USB Port
My Review :
I got this power bank for £29.99 from amazon and i think its worth every single penny. And I really like the high quality build of this power bank with matt finish. It charge my phone in 1 hour 45 minute from 0 to 100(S6 ) and This power bank’s high power capacity makes it great for charging multiple devices, especially considering its USB charging speed 2.1A output.And it allows me to charge my phone 3 time from 0 to 100.
The first thing you notice about this unit is it’s size ,weight and it cool designee . Believe me at this point I thought there is no way this device roughly the size of a smart phone could possibly jump starter my car. I've always used a heavy, bulky and cumbersome 18kg jump starter/battery pack, so it's hard to believe something measuring just 18 x 8.5 x 4.5cm and weighing 617g (vs 18kg!) can perform the same role - but it does!! I tested this unit on a standard car battery AND a van battery and both started perfectly ON ONE CHARGE!!
I've now used a few of these compact jump starters, been impressed by the performance of them all and they have each started our 1.6 Citroen Berlingo, 2.0 Diesel Renault Laguna and 1.4 petrol Megane. Of them all, however, this one seems to be the best, most powerful and it's the only one to include a red warning lamp to indicate a hazard - essential for roadside breakdowns.
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Overall this is a great unit, completely fit for purpose and i Highly Recommend!!
For More Review Click Here
And Just for Fun I did this and I was very surprise and shocked (Burned my Eyebrow lol )with result:
​

Link to purchase:
US :http://www.amazon.com/DBPOWER-8000mAh-Portable-Starter-Battery/dp/B013UJ2JCE
UK:http://www.amazon.co.uk/gp/product/B013UBRZKS?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00
IF you live in Diffrent Country Just search "DBPOWER® 300A Peak" Should come up with purchase Link

:good:great review

Review: Intocircuit 15000mAh powerbank w/ pictures

This is a review of a power bank from Intocircuit - http://www.amazon.com/gp/product/B00OSYLXKU
As phones have been getting more and more powerful over the years, portable battery packs for smartphones and tablets have been gaining popularity. There’s many different brands and variants available, and today we’re going to be having a look at a 15000mAh power bank from the company Intocircuit.
The power bank itself comes in a small box with some product information on it regarding the amperage and capacity, and inside there’s also a USB-cable and a small pouch to put the power bank in. The accessories are of decent quality and definitely are nice additions to the power bank.
So when it comes to the actual power bank, it’s made out of a combination of plastic and brushed aluminum – it really looks nice and a bit different compared to other brands. The power bank has 2 full-size USB ports that are rated at 2.4A, a MicroUSB-port that can be used to charge the power bank, along with an LED and a small LCD display that show the amount of battery that’s left.
When it comes to the actual capacity I must say that it’s pretty much spot-on, as I’ve managed to charge my Yoga 2 tablet (capacity: 9400mAh) and my Z3 Compact (capacity: 2500mAh) using it, before the battery of the power bank was fully drained. The recorded output current while hooked up to my Yoga 2 was stable at around 2A, and with a quality USB-cable reaching 2.4A should be certainly possible.
The main negative thing that I’ve to say about this power bank is the fact that it takes a long time to charge it up once drained, but that’s due to the higher capacity and other power banks such as the Xiaomi 16000mAh suffer from this as well. Charging the power bank 0-100% takes nearly a day, and therefore it’s a good idea not to let it drain completely before charging it.
So conclusion time – this is a pretty decent power bank for the price and it looks and performs great, and is comparable to other brands that I’ve tried in the past. The capacity is correct and the charging speed is decent, although charging the power bank itself takes some time. This is certainly a product that I do recommend if you’re shopping for a good power bank!
Pros:
- Good battery capacity and power output
- The included accessories (pouch, micro-USB cable)
- Decent build quality, and the power bank looks and feel great.
Cons:
- Takes a long time to charge up
Note that I was provided with a review unit of the above mentioned product, but that does not affect my review as it is solely based on my own opinion and experience.
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nice review, my current powerbank is too crap so I'll look into this one. any idea how long it can run a Pi?

kamilrakowski said:
nice review, my current powerbank is too crap so I'll look into this one. any idea how long it can run a Pi?
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Depending on how much your Raspberry Pi draws, let's say 1A, I would say about 11-13 hours at most.

Nice review. It's always good to have a back up power bank with you especially during a trip.

Can you charge the battery pack at the same time as it is charging other devices?

dsteinmetz2101 said:
Can you charge the battery pack at the same time as it is charging other devices?
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I'm not entirely sure about that as I've not tried it, but I think it may be supported.