7 inch tablet universal battery pack 3.7v 3500mAh polymer lithium Battery for irbis tz709 +tool accessories screwdriver | Компьютеры и

7 inch tablet universal battery pack 3.7v 3500mAh polymer lithium Battery for irbis tz709 +tool accessories screwdriver | Компьютеры и

Feature 
Model:357590 
Capacity:1000-3500mah (The mark value of the product is 3500mAh, and the capacity is in accordance with the actual conditions)

Rated voltage: 3.7 V 
Charging voltage: 4.2 V 
Size:4.8mm(thick)67 mm(width)90 mm (long)(There may be differences), with rich crystal protection board 
Product advantages 
Security is good, take over charging protection, discharge protection, over current protection 
Protection IC technology parameters, charging protection voltage of 4.20 V + / - 0.05 V 
Over discharge protection voltage of 2.7 V + / - 0.1 V 
3.0 + / - 1.0 A overcurrent protection (2.7 V ~ 4.25 V) 
The discharge temperature: - 20  C ~ + 60  C 
Protection IC parameters, charging protection voltage of 4.20 V + / - 0.05 V, over discharge protection voltage of 2.7 V + / - 0.1 V 
High working voltage, high energy density 
Long cycle life, high safety 
Shape, size of spirit 
Small self-discharge, no pollution 

The first use of the new battery 
The first use of the new battery, the battery comes out of the factory with the use of electricity, and then charge 2-4 hours, pay attention not to charge, so as to avoid damage to the lithium-ion batteries, the impact of service life. After the 2-3 times, the electric core is fully activated and the standby mode is entered into the best state. After each full. 
Inferior charger will affect the standby time and shorten the battery life. 
Please don't charge the battery for a long time, the general full complement 1 hours or so, the use of the best. 
In extreme cases, an improper charge can destroy a battery. 
Recommend the use of original charger or performance of the charger to charge the battery. 
  
  
Several effects on standby 
1. The weaker the signal, the greater the power consumption, the shorter the standby time. 
2. Environmental temperature is too high or too low, the standby time is short. 
3. Refurbished machines, the revision machine, power consumption is likely to be large, the standby time may be short. 
4. Charging time is too long. The battery is charged, the battery will generate a virtual power, but will be short of standby time. 
5. Charger does not pass. Standby time is short. 
6. to listen to music, Internet, etc., power consumption, standby time is short. 

NOTE: The manufacturer of our products has been strictly audited to produce high quality products. The product has the protection board, can not measure the battery capacity accurately. Please don't open the dispute because of the wrong data of the test instrument. Screwdrivers are gifts, gifts, not within the scope of dispute payments. I wish you a happy shopping!

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