YLS-811: 10A · h BT-keyboard with battery

In this topic, I will talk about a wireless Bluetooth keyboard for phones and tablets with a built-in battery monster, as much as 10 ampere hours (as promised by the Chinese).

Briefly: a very interesting device for tablet users, combining an external keyboard and an additional battery that can charge two devices at the same time.

Packing and packaging

So packing. Large cardboard box:

A little crumpled, like most boxes passing through the hell Russian mail.
Adapter kit:

The extreme right is the wire for charging the keyboard itself. Behind him - two wires for connecting rechargeable devices. One is for complete connectors, and the second is just an adapter to a full-sized USB port.
7 complete connectors:

Well, the keyboard itself:

Appearance and connectors

Keyboard. No not like this. Membrane keyboard scissor type with a flat top face. The layout is only English, the letters are inscribed with a simple seal - the Chinese do not even think about sublimation or DSIM.
Well, at least the letters are not erased from scratching with a fingernail and for a month of use, and that is good.
The tactile marks of FJ are weakly felt, and because of the flat surface, the transition from the key to the key is felt weakly - it is clearly not suitable for a complete blind dialing. Well, okay, not for this it is needed.
The top panel is occupied by the keyboard, BT activity LED:

On the other hand, there are 4 LEDs-indications of charge and a button for checking this charge. But with a long press, the on-off converter, in the sense of charging devices. This is definitely a plus - because A constantly on-up converter eats a battery, and automatic on-off circuits do not always work correctly.
The top face is the BT transmitter operation switch and the connection button.

On the other hand, there are three connectors:

From left to right:

• pin-compatible miniUSB with OTG (in fact, such an adapter is included), issuing a maximum of 800mA (enough to charge almost any phone)
• Full-sized USB, with a current up to one and a half amps (for charging "heavy" equipment - tablets, for example).
• Connector for charging the keyboard itself. Voltage - 5 volts, you can charge from a USB computer or laptop, but it will be faster from the network charging (it is a pity that it is not included).

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Insides

We unscrew the 18 (!!) screws around the perimeter, after which you can remove the back cover, made of luminescence, with an impressive thickness:

We see the converter:

And BT-transmitter fee:

Below the board is visible battery assembly. 4 batteries, not labeled in any way, are connected in parallel. It is believed that they are 2500mAh. Of course, double conversion can eat up to 40% of the energy, but for one full charge of the tablet it will definitely be enough.
Keyboard cables, switches, BT LED:

Using

We pull the switch of the blue tooth, press the button. The LED starts blinking - the keyboard is searchable. Run the search on the device:

Click to connect:

We type the pin code on the keyboard with the number keys (it is different each time), and press Enter. Keyboard is connected. Later, when it is turned on, it will try to connect to the last paired device:

After installing the Russian Keyboard , the Russian language appeared, the icon of the current layout, and the ability to switch on Alt-Space.
All buttons work fine, typing turned out to be quite convenient, despite the small size of the keyboard.

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