What is power bank?

Power bank serve as an extra battery’ or external charger for your phone or other electronic devices. It is a portable power source built of rechargeable battery, packed in a small case that can be carried in a handbag or purse. It has at least one input for charging and another recharging port that can be connected to a standard USB cable that can recharge portable electronic devices like smart-phones, media players and tablet PCs.

Most of the newest power-bank models, arrive with built-in Lithium polymer battery, which known by high efficiency and long lifetime.

How do I know which power bank suits my device?

Depending on individual needs and requirements, there are several general criteria to consider when selecting a power bank:

a) Capacity

For example if your phone battery is 1500mAh and is 0% now, a power bank with 2200mAh can charge your phone 1 time. If your phone battery is 3000mAh and is 0% now, a power bank with 2200mAh will not be able to charge your phone to full because the phone battery capacity is higher than the power bank. If you require a power bank that is able to charge your phone several times, you need a power bank with higher capacity.

b) Number of output

1 output to charge 1 device, 2 outputs to charge 2 devices.

c) Output specification

1A-1.5A output is generally for smart-phones, 1.5A-2.0A output is generally for tablets.

How long do I need to charge the power bank?

It’s depending on the REAL CAPACITY of the power bank. The larger REAL CAPACITY, the longer charging time may required. Different charging methods may result different charging time as well. Charging with the original charger will be faster than charging with computer USB port.

How do I charge the power bank?

You can charge your power bank via the charger that came with your phone, computer USB port or using other power bank.

What is the lifespan of the power bank?

Generally, a properly maintained power bank can retain up to 80-90% of its original capacity at 400-500 charge and discharge cycle (charge then discharge = 1 cycle, regardless of whether you charge/ discharge it partially or fully). Until your power bank no longer holds sufficient charge to meet your needs, you may choose to purchase a new one.

Where to buy power bank?

Buy power bank online you can choose Tattu 10400mah power bank, the capacity in fact is 10800mah, and use Lithium Polymer battery cell, high weight and high quality. It charges the iPhone 6S almost 5-6 times, iPad air2 almost 1-1.5times or iPad mini4 1.5-2 times, and also charge Android smart-phones and others.

General Information

– A = Ampere
– mA = mili Ampere
– mAh = mili Ampere hour
– Output from computer’s USB port = about 500mA
– Output from wall plug (3-pin plug) = varies (please refer to specific wall plug specification)
– Output from power bank USB port = varies (please refer to specific power bank model)

Source:http://www.genstattu.com/blog/faq-about-basic-knowledge-of-power-bank/

Power Bank is now almost a necessity. When you search “power bank” in website, too many sources, such as so many brands, so many capacities and appearances that make you unable to choose or need to take a lot of time to choose. So trouble! Now we studied that high capacity is more popular, so we make a guides about top 5 high capacity 10400mah power bank that is popular power banks. Hope it can help you when you choose high capacity power banks..

Top1. Tattu 10400mah power bank

Tattu power bank is a new product, it using high quality Lithium Polymer battery cell, with very light weight body. The capacity is 10400mah (but in fact is 10800mAh), it can be used for most popular smart-phone, MP3, iPad and others. Tattu 10400mah power bank using multi protection safety system. The price is best, but new arrival around end July. It is wort waiting for.

Tattu Spec:

Battery type: Lithium Polymer Battery
Capacity: 10400mAh (In fact is 10800mAh)
Output: 5V 1.0A and 5V 2.1A
3 USB charging port

Top2. Xiaomi mi 10400mah power bank

Xiaomi mi 10400mAh power bank use Lithium-ion batteries from LG and Samsung. And compatible with popular smart-phones, and the charging port automatically adjusts the output. The simple design, the casing is nice but is easily scratched. The price is great.

Xiaomi Spec:

Battery type: Lithium-ion Battery
Capacity: 10400mAh
Output: 5V 2.1A
1 USB charging port

Top3. PNY 10400mAh power bank

PNY 10400mAh power bank featuring a cylindrical design, it has a Lithium-ion battery with a charge capacity of 10400mAh. The power bank includes a built-in LED torch and a power level indicator that shows you how much charge remains in the power bank.

PNY Spec:

Battery type: Lithium-ion Battery
Capacity: 10400mAh
Output: 5V 2.1A
1 USB charging port

Top4. Anker 10400mah Portable Charger

This iPhone power bank’s battery has the capacity of 10400mAh, compact enough to fit in the hand, charging iGadgets as many as 4 times. It has a facility for rapid charging at 2.4 amps. Also, this power bank contains safety measures features.

Anker Specs:

Battery type: Lithium-ion Battery
Capacity: 10400mAh
Output: 5V 3.0A
2 USB charging port

Top5. Infinie Power Bank 10400mAh

This power bank looks like a book with a 10400mAh battery capacity, with 4 LED indicators and a battery status under each one. Also, it includes 9 layers of protection from over charging and short-circuits. And last but not the least, there are 4 splendid color alternatives.

Infinie Specs:

Battery type: Lithium-ion Battery
Capacity: 10400mAh
Output: 5V 1.0A
2 USB charging port

Source: http://www.genstattu.com/blog/top-5-high-capacity-10400mah-power-banks-guides/

Although use the jump start car battery is easy and common, but there a number of risks inherent in their operation. So before purchasing a jump start car battery, you’d better check to see that jump start car battery safety systems. What jump start car battery safety features you need to know? Let us to see.

1.Short Circuit Protection

Short circuit protection possibly one of the most important safety features on a car jump starter, as a short circuit can potentially lead not only to serious damage to the car jump starter, but also a potential explosion of the battery inside the device. Tattu 12000mah 12v jump starter have short circuit protection, no like other brands, their jump starter is extreme safe that even you connect the positive and negative poles together. No worries of any danger of short circuit. So when you purchasing you’d better check it.

2.Over-Current Protection

Over current protection is limits the current the jump start car battery will deliver to its peak rated current preventing damage to the device.

3.Over-Voltage Protection

This feature prevents too high a voltage from being applied to the unit when charging. Again, this can happen during a mains power surge. Take Tattu 12000mah 12V jump starter as an example: when capacity is up to 95%, battery could not be charged that to prevent over-charging.

4. Over-Charge Protection

The charging circuits on more basic jump starters will not automatically stop charging the device when the batteries are full. With overcharge protection, the charging circuit will “float” charge the jump starter once full, and won’t keep increasing the voltage applied to the cells, which could then overcharge and destroy the battery pack.

5. Over-load Protection

It protects the unit from receiving a current higher than the manufacturer’s specification when charging. This may happen during a surge from the mains power feeding the jump starter’s charger.

6.High / low temperature Protection

Tattu 12000mah car jump starter operation temperature is -10℃ – 55℃. When jump start car battery operation temperature is too high or low, it will make the car jump starter stable.

Tattu 12000mah jump starter have all above safety features, if you interesting in their car jump starter, check out:
http://www.genstattu.com/tattu-400a-12v-12000mah-jump-starter-power-bank-battery-charger-led.html

Source: http://www.genstattu.com/blog/what-jump-start-car-battery-safety-features/