Lumsing 10400 Powerbank

Lumsing's Powerbank, a $23 10400 mAh USB battery charger

I really like Lumsing's Powerbank for its fast charging 5v/2.1amp USB slot. Just yesterday, Pesco was struggling with a slow charging battery and asked for one with a faster charging port! Here it is.

This harmonica sized and shaped battery is about 5.5" long and 2.5" wide. The Power Bank easily fits into a jacket pocket and won't be a burden to carry around. At 10400 mAh you should get one and a half charges of an iPad or many of smaller devices.

Lumsing 10400mAh Harmonica Style Portable Power Bank External Battery Pack Backup Charger

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Lumsing Ultrathin Keyboard review

Microsoft's tablets have multiple great first-party keyboards to choose from. Several other Windows 8 and RT tablets have fine official keyboards as well, such as the Nokia Lumia 2520 with its Power Keyboard. These keyboards have a couple of things in common. They're typically a bit expensive, and probably can't be used with other tablets. Universal keyboards, on the other hand, don't suffer from either of those issues…

A few months ago we reviewed one such keyboard for tablets, the MiniSuit BluBoard. Now we're back with a look at the Lumsing Ultrathin Wireless Keyboard, which works with Windows 8 and RT, Android, and iOS devices. Lumsing's peripheral doesn't come with its own case and tablet stand, but it makes up for that by being more portable and offering better Windows . It's also really affordable! We'll walk you through its ins and outs as well as the unwieldy Windows 8 Bluetooth setup process.

Small and thin

The Lumsing Ultrathin Wireless Keyboard comes in two colors: black and white. Odds are your Windows is black (unless Nokia made it), so a black keyboard would probably match it better. The glossy top surface of the keyboard (just above the keys) shows smudges very easily, but otherwise it's a nice looking accessory.

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Lumsing Harmonica Style 10400mAh Rechargeable Portable External Battery Pack review

Lumsing Harmonica Style 10400mAh Rechargeable Portable External Battery Pack review

When you have a lot of mobile devices that you use constantly throughout your day, you’re eventually going to find yourself with a drained battery.  If you are at home or in the office, you can plug up your device before it dies, but what if you aren’t near a power source?  There are a lot of portable backup batteries on the market, but it seems most of them have small capacities – just enough to charge up a phone until you can make it to a power source.  There aren’t many that have enough power to charge a tablet, and there are very few that can charge two devices simultaneously.  And it seems those that can charge two are very expensive.  The Lumsing Harmonica Style 10400mAh Rechargeable Portable External Battery Pack, as the name states, has a 10,400mAh battery – enough power to recharge a phone multiple times or to charge a tablet at least once.  The Lumsing has two ports, so you can charge two devices simultaneously, and one of those is a 2.1A port to charge a tablet.  Best of all, it only costs $25.00.  It sounds like the perfect travel companion.  Let’s see how it works.

As you can see in the lead photo, the Lumsing power bank is available with a black, white, or gold plastic body and silver accents.  I believe the silver is colored plastic instead of actual metal.  I received the white.  Lunsing calls it a “harmonica style” shape, and I can see that, but to me it looks more like a clutch purse or even a taco.

The power bank measures 5.4″ X 2.3″ X 0.8″ and weighs about a half pound.  It’s made with what Lumsing describes as “original Samsung cells and premium microchips and a high quality Li-ion battery”.  

It comes with a velveteen pouch for travel, a USB-to-microUSB cable for charging the internal battery, and a small manual in multiple languages.  You’ll have to supply charging cables for your devices.

One end has the microUSB port for charging the internal 10,400mAh battery.  The power bank has “multiple protection systems for safety.  It is designed to avoid overcharging, and protects against over-voltage, over-current, and short circuiting.”  It has CE, FCC, ROHS certifications to ensure reliability.  Specifications for this battery pack says it will recharge an iPhone four to five times, a Samsung Galaxy S3 three times, or an iPad / iPad 2 once.  It’s internal battery can be recharged 500+ cycles over its life.

Lumsing doesn’t provide an AC adapter in the package, so I just plugged it into one of the USB ports on my powerstrip and let it charge for a few hours before testing.

Click to enlarge this image, and you’ll see that the two USB ports on the front are marked as supplying 1 or 2.1 amps (both are 5V).  The 1A port is sufficient for charging most phones, and the 2.1A is sufficient for charging most tablets.

The four blue LEDs indicate power level and charging status.  When all four are lighted, the internal battery has 75-100% of full power remaining.  Most external batteries I’ve tried have a button that illuminates the battery level lights when pushed, and the button on the right does just that.  It’s also is a power button.  When you plug up a device to charge, you have to press that button to start the charge cycle.

First up, I tried charging my iPad mini with Retina display.  It started at about 30%.  I left it charging overnight, and the iPad mini showed 99% charge when I unplugged it the next morning.  Surprisingly, the Lumsing still had one LED in the status display lighted.  Its battery wasn’t completely drained, so I’m not sure why the mini didn’t charge to 100%.  Still, a 99% charge is nothing to complain about.

After recharging the Lumsing, I tried charging my iPhone 5.  My phone is in a mophie juice pack case, and I found that the Lumsing wouldn’t charge the mophie case and phone combination.  I didn’t worry about that too much, because I don’t think most people would carry the Lumsing for a phone that already wears a backup battery.  I just took the iPhone out of the battery case, and the iPhone 5 charged perfectly when plugged directly into the 1A port on the Lumsing.  I charged my iPhone from about 27% to 100%.  It didn’t seem to take any longer charging from the Lumsing battery than it normally takes to charge from an AC adapter.  When the iPhone was fully charged, all four of the Lumsing’s status LEDs were still lighted.

Later, I also tried charging both my iPhone and iPad mini simultaneously.  They both started charging as soon as they were plugged in and the Lumsing’s power button pressed.  They both seemed to charge at a normal rate. Neither device was very drained, so the battery in the Lumsing wasn’t completely drained by this simultaneous-charging test.

I think the Lumsing Harmonica Style 10400mAh Rechargeable Portable External Battery Pack is a great addition to my gear bag.  It’s small and light, and it has enough power to keep your phone charged during extra long trips.  It can only recharge an iPad once, but that gives you another 10 hours or so on the tablet.  Best thing of all, it’s very inexpensive, costing less than most every backup battery I’ve seen – and of course, most of those other inexpensive batteries can recharge a phone only once (maybe not even a full charge at that) and a tablet not at all.  The Lumsing can even charge two devices at once.  It works well, and it’s only $25 at Amazon.  You can’t ask for more than that.

Source: The sample of the Harmonica Style 10400mAh Rechargeable Portable External Battery Pack was provided by Lumsing. This battery pack comes with a one year warranty and may be purchased from Amazon for $24.99.

 

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How to Choose the Right Power Bank

While there are many Power Banks in the market, not all of them are worthy for consideration. We list down a few of the most important parameters to consider while choosing the right Power bank. Of course with so much development happening in the industry we would be constantly updating the article with latest information

Battery

There are two main battery type Lithium Ion and Lithium Polymer

Lithium Polymer is the new advanced battery is made of aluminium plastic casing and has lighter weight and  better performance  and safety features , though a bit expensive. On the other hand Lithium ion ( 18650 Lithium Battery) which means length is 65 mm and diameter of 18 mm is cylindrical in shape is older generation but still popular due to lower price.

So it’s preferable to go for Lithium Polymer batteries instead of lithium ion as they are safe, more lightweight and better quality . even if it means spending few more rupees

Capacity

The capacity mentioned on the product is in terms of mAH is not a real indication of the actual usage capacity. Generally one has to factor the leakage and voltage conversion. So one can safely assume that the actual available power would be 20-30% of the mentioned mAH. So a 5600 may battery would have a usable capacity of 4400 mAH. This should be the base against which you should calculate your requirements

Your Current Mobile

You current battery capacity is very important factor to consider power bank you require. With the above actual usage understanding from a power bank,  you can decide on the best power bank capacity

Battery capacity:

·         Galaxy S3 – 2100mAh

·         Galaxy S4 – 2600mAh

·         Galaxy Note – 2500mAh

·         IPhone 5 – 1450mAh

·         iPad 4 – 10,000 mAh

Certifications

With lot of fake power banks  flooding the market it is very important to choose a credible option. Generally Power Banks with FCC , CE, ROHS certifications ( and genuine) should be a safe bet

LED Indicator

It is really useful to choose a power bank which has LED indicators so that one can know when it is running out of charger

Connectors

It is really useful if your power bank can provide additional connectors or pins for your mobile phone. This will be a truly additional charging solution then as you do not have to rely on your original charging cable which you can keep at home. Most good power banks come with USB connectors for Samsung, BlackBerry and iPhone brands

Size

Although most of the power banks are portable, the ergonomics and styling do help in making the overall experience better

We hope if you look at the above factors would help you in choosing the right Power Bank for your daily requirement.

Lumsing Wireless Bluetooth 3.0 Keyboard User Manual

Lumsing Ultrathin Aluminum Wireless Bluetooth 3.0 Keyboard with Stands for Samsung Tab 2 Tab 3, Apple iPad Retina iPad 2 New iPad iPad Mini, Google Nexus 7 10, ASUS MeMOPad Vivotab, Acer Iconia, Blaceberry Playbook, Microsoft Surface Pro RT, [Black]

Amazon - $27.99: http://www.amazon.com/dp/B00F3ZLKQK

User Manual
Thank you for choosing Lumsing. For your optimum performance and safety,
please read this instruction carefully before operation.
Please keep this manual sheet for reference.

Appearance

Android Syste(Press Fn+Q)

Windows Syste(press Fn+W)

IOS System(Press Fn+E)

Feature
1. Built-in BROADCOM Bluetooth module 3.0 .
2. Compatible across Android, IOS, and Windows, enabling you to mix and match with devices.
3. Fashion ultra-thin aluminum finish design for all types tablets & PCs.
4. Automatic pop-up holders design, to be a good sustainer for your tablet.
5. Micro USB interface for convenient charging.
6. Built-in rechargeable Lithium battery, long working time can reach up to 140 hours.
7. Light weight, quiet keystrokes, glowing fluorescent, water-proof, dust-proof.
8. Automatic and efficient power-saving mode.

Specification
1. Bluetooth Specification: Bluetooth 3.0 interface standard
2. Operating Range: Up to 10 meters
3. Modulating System: Gaussian Frequency-shift keying(GFSK)
4. Operation Voltage: 3.1-3.6V
5. Operation Current: <2.0mA
6. Standby Current: <40uA
7. Sleeping Current: <30uA
8. Charging Current: ≥100mA
9. Standby Time: 100days
10: Charging Time: <4-5hours
11. Lithium Battery Capacity: 280mA
12. Uninterrupted working time: 100hours
13. Lithium Battery Life: 3year
14. Lithium Battery Specification: 3.8*20*35mm
15. Keystroke Strength: 79±10g
16. Keystroke life: 5 millionstrokes
17. Operating Temperature: -10-+55C

Pairing Instructions
1. Turn on the power toggle switch. The indicator light [Power] will be on for 3 seconds and then turn off.
2. Press on the [Connect] button, the indicator light [Status] will start blinking. The keyboard is now ready to connect to your device.
3. Activate your device's Bluetooth function and search for the device.
4. Once the Bluetooth 3.0 keyboard has been found, click on its name displayed on your device to connect.
5. Enter the random four digit password code as displayed on the screen.
6. Once the Bluetooth keyboard has successfully connected to your device, the indicator light [status] will be off.

Special Note:
1. The default mode of this keyboard is for Android system. If you need to use it for Windows of IOS, please shift it by pressing Fn key and W key for windows(or pressing Fn key and E key for IOS) together before you start to type.
2. Please make sure your Android device is equipped with a Bluetooth HID profile before pairing.

Charging Instructions
When the battery power is low, the indicator light[] will start blinking. This means that it is time to recharge the keyboard.
1. Connect the micro end of USB power cable to the micro USB port on the keyboard.
2. Connect the other end of the cable to a wall plug
   power adapter or computer USB interface.
3. The indicator light [] will stay on red while the keyboard is charging. Once it is full charged, the power indicator light will shut off.

The Power Saving Mode
The keyboard will enter sleep mode after being idle for
15 minutes. To activate it from sleep mode, press any
key and wait 3 seconds.

Usage Tips
1. Do not place any heavy objects on top of the keyboard.
2. Do not knock or dismantle the keyboard.
3. Keep the keyboard away from the microwave items.
4. keep the keyboard away from oil, chemicals, and organic liquids.
5. wipe the keyboard with the water, alcohol, or an alcohol-based disinfectant.
6. Dispose of batteries according to local laws.

Troubleshooting
A) Unable to connect
1. Check whether the power switch is on or not.
2. Verify that the keyboard is within the operating distance. (the available distance is 10 meter)
3. Make sure the battery is not depleted.
4. Ensure your device's Bluetooth function has turned on.
5. Be certain that the keyboard is connected to your device successfully.
6. Confirm the Bluetooth keyboard has been paired with your device.

B) Unable to Charge Keyboard
1. Identify the USB power cable has connected properly to the keyboard and the power source.
2. Check if the wall charger has plugged into the power outlet.

Warranty
All Lumsing brand bluetooth keyboard come with a manufacturer's 12-mother warranty.
If you encounter any problems with your product within this time period, simply return it to the place you purchased for a brand new replacement. If you cannot contact your retailer, then please email us at support@lumsing.com for assistance.

How to use the stand of this keyboard
1. Press on the [swith] button, the stand will automatically popup.

2. Press down the back up pad(you should press a little hardly), the close back the stand in the card slot as the picture showing.

Lumsing 11000mah 5xUSB External Battery special at $29.99

Lumsing 11000mah 5xUSB External Battery special at $29.99, since 8.26 - 8.31

Lumsing 11000mAh 5 x USB Portable Charger Power Bank Black

Color: Black

 
Technical Details:
-- Capacity: 11000mAh with Reliable Li-ion battery cells, Supply about 600%~700% of iPhone 4 battery life, or 200%~250% of Google Nexus 7 battery life, or 200% of iPad mini / Kindle Fire HD battery life, or 400%-500% of Samsung Galaxy S3 battery life
-- Battery Type: High quality Li-ion battery; more stable than Li-polymer battery, such as laptop use the stable Li-ion battery. 500+ recharge cycles over the life of the battery
-- 5 x USB Output: 5V 0.6A ~ 2.1A, design for charging Phones and Tablets, Can charge 2 Tablets or 5 Smart Phones simultaneously at most. 4 Integrated LED Power status indicator lets you know exactly how much power is left
-- Multiple security protection design: protection for overcharge, overvoltage, overcurrent, and short-circuit; The device will automatic shutdown when short circuit or overload output happened to avoid destroy the device and accident
-- Size: 3.70*3.15*1.10 inch, Stylish & portable design; A carrying bag for your convenience; 24/7 to provide instant power; PERFECT for long plane flights, road trips, or whenever you need to charge your mobile devices wherever you are.

Product Description:
Lumsing™ - Leisure purchasing Simple Experiencing
Lumsing™ has always devoted itself to providing fashion and superior products with the end-users, so that you could enjoy the leisure shopping experience at the same time. Moreover, we have been working hard to seek out various funny products together with unique customer service, to make the customers gain more happiness.

Specifications:
-- Battery Type: High quality Li-ion battery
-- Input: Micro USB 5V 1-1.5A
-- Output: 5*USB 5V 0.5-2.1A
-- Size: 3.70 x 3.15 x 1.10 inches; Weight: 10.58 ounce
-- Product Warranty: One Full Year

Charge the PB-AS008:
-- Full Charging by 5V 2A Adapter need 8-10.5 hours
-- Charger is not included, we recommend using your own phones or tablet charger

Popular Compatible Models:
-- USB Output - 5V / 1.3A Designed for Samsung Galaxy Tablets & Some Samsung Android Phone Models
-- USB Output - 5V / 2.1A Designed for iPad, 2, 3, mini, 4
-- USB Output - 5V / 1A Designed for iPhone 5, 4S, 4, 3GS, HTC, Samsung, Motorola, LG, Nokia, Blackberry, Sony Ericsson cell phones (For charging ipad mini & ipad 4 & iPhone 5, please also use with your original Apple Lightning to USB cable)
-- USB Output - 5V / 0.5A Designed for some small battery capacity device
-- Except the device stated above, all 5Volt input required devices from 0.5Amp to 2.1Amp are compatible if it can be charged by USB

Package includes:
-- 1 * Lumsing PowerBank
-- 2 * USB cables
-- 5 * connectors
-- 1 * carrying bag
-- 1 * Use Guide

More products: please kindly search this keywords "Lumsing power bank" in Amazon