754070 3.7V Lithium Polymer battery 2800mah small speakers navigation GPS MP3/4/5 | Электроника

754070 3.7V Lithium Polymer battery 2800mah small speakers navigation GPS MP3/4/5 | Электроника

Please read the instructions carefully before you shoot !

• Battery Type : 754 070 2800 mA capacity Standard voltage 3.7V
• Size : 7.5 mm thick * width 40 mm * 70 mm long( Each batch size of the factory will have a slight error in shipment prevail in kind )

Note : Before buying , please make sure your machine supports this battery ! Battery model is size , as long as the right size can be installed under will be able to use !

• Nature adapted : MP3 MP4 MP5 GPSLearning Machine Battery Battery Battery and other digital products
• Other models: 042030/042035/043040/043035/043048/042025 /383450/032323/042535/042530 ............

• Charging Temperature():0~45

  Discharge temperature(): -20~60

  Storage Temperature(): -20~35

  Protection board parameters: charging cut-off voltage 4.2V, discharge cut-off voltage 2.75V, allowing maximum current 2.5A, overcharge, over discharge, short circuit protection.

  Please contact the owner large price included !

• Tips: Voltage 3.7V-4.2V batteries are common to all everyone can correspond dimensional assured to buy !

• Friends found abnormal situation or are not satisfied with the battery , please contact the owner for replacement or refund everyone mutual understanding and support , please do not arbitrarily to the assessment or negative feedback, because sometimes may be damaged in transit , but according to the battery shop is a promise warranty OZ \\\'s .( Can not be switched into the electric charge is not long charging time is very short or very quickly no electricity )In case of the above please contact the owner is willing to you good people in good health , the family happy !

  About express this aspect with you to explain ! Because the battery can only go part of the aviation contraband Automotive ,(SinceInner Mongolia, Qinghai, XinjiangOther regions generally do not receive the courier batteries, so a friend took the battery select surface , OUR E -mail treasure default is likely to be a little longer time of receipt)In Guangdong Province in urgent need of customers can contact the owner SF Express can usually arrived the next day ! Also please correct choice arrival address !(Choose small trading address does not match the words with the International shopkeeper big loss Please understand tie ! )

  Our factory direct sales, inventory changes so often out of stock and so large ! Please contact the owner before purchase confirmation in the film ! If this product out of stock , we will try to find its approximate battery model! Seek further shipments after the buyer agrees .

  Pictures are entities photo but there will not be replaced reasons for changes in inventory please understand !

= Battery Introduction =

One , MP3 lithium battery life

Like lithium batteries and cell phones , MP3 built-in lithium battery life is generally deep charge deep discharge is about 300-500 times ( GB ) , which is about a year or two after use , playing time will be significantly reduced , or even completely unable to boot using then you have to replace the battery before use. Almost all of the brand-name computers because no service , in order to reduce costs, which in the installed product using a B cell ( factory defective products , defective , grade product ) , battery performance may be three months after the general use of the straight-line drop a shorter lifetime .

Two , MP3 lithium Duration

Playing time and the battery capacity and the size of the machine \\\'s power consumption , the greater the more general screen power consumption , the battery is also larger . MP3 capacity lithium battery 1.2 -inch screen in the following general 150 - 300mAh, after a full charge in about 8 hours playback time capacity lithium battery , 1.5- 1.8 -inch screen MP3 is generally 300 - 1000mAh, 2.5 -inch screen MP4 battery capacity of about 1800mAh. hodge machine because no service, in order to reduce costs, when installed inside a battery with a B grade ( factory defective products , defective , grade product ) , generally lower capacity than a product about 20% , the playback time will be shorter .

Third, how to judge my camera battery problems ?

If your Bluetooth device has the following MP3 phenomenon , is scheduled to be a problem with the battery , replace :

1 , the use of more than one year has play ( standby ) time is significantly shorter ( about 3 hours ) , the battery capacity is reduced to life .

2 , can not boot , or power : battery internal short circuit or poor quality of the hair and blow up or resistance becomes larger , the battery fails .

3 , playback worse : battery internal resistance increases , the output voltage is too low .

4 , can not play : battery protection circuit ring or rings , battery failure .

Note : MP3 if the start is normal, and later found to have a fault , it is more than 90 % of the battery causes the chances for other electronic components smaller ring , while the battery is a consumable , uneven quality , and with charger the output voltage is generally higher , the pressure is not limited dedicated lithium (4.2V) function relies entirely on the battery line protection , easily damaged . MP3 valuable one because of reasons not to use a small battery is very bad mood !

Fourth, how do you know the machine \\\'s battery model ?

1, open the machine : To boldly open the machine , MP3 interior is very simple , do not worry it will damage the machine . Carefully check the machine to see whether the screw , there it can be opened with a small screwdriver , housing in general is not bonded or have snap buckle , and after a week with a knife along the seam can poke or scratch Alice opened carefully, generally will not be damaged shells , buttons and other attention .

2 , you will see after opening the battery if the battery is silver , then the lithium polymer battery , the outside is plastic film packaging , if other colors are steel or aluminum lithium battery , the skin is PVC plastic put , the more blue , but also black.

3, see Battery Type: Battery are sprayed with a general model ( in fact represented battery size ) , recorded atThe word can be, if not with a ruler long look generous , is recorded.

Fifth, how to buy the required battery?

First disassemble the machine to see the battery ( will dismantle their own self- demolition , repair technicians will not find a split ) , most batteries are marked with the model , in fact, is the battery type high ( thick ) , width, length , there are models in Our table below for the model , if not on , you can contact the restaurant to go with . If you still with less , you can use a similar model , which is similar to a small point , for example, you are 552 030 , not in the table , the available 052,030 , but the height ( thickness ) small 0.5 , with a piece of thick paper 0.5 piece put up loaded up in the machine to prevent shaking, as the machine has a space , whereas a similar point can be found large . If the battery is not the model , or do not see , is simple, with a ruler to measure the length, width , height , and then from the table, according to the above method to find similar capacity size should not be considered able accompanied on the trip. Another point is that the machine is not used for a small number of lithium battery , the voltage is not 3.7 (3.6) V may be 1.2V or 2.4V , you must contact the owner .

Payment

Our recommended transaction, pay safe, reliable , rest assured !
For payment, please contact me QQ1572319046 Tel: 13760360625
Bank transfer buyers, please leave a message or text messages to inform the transfer: the amount of remittances , remittance bank , Taobao user name, shipping address .
Other outstanding issues arise , the parties can be settled amicably o ( _ ) o ..

Electronic transport is very important, though we packed very professional, but to the interests of both you and I strongly suggest that you send back the purchase of insurance , out of a few cents , eliminating a lot of trouble , so that once produced returns, after completing the return, Taobao freight will hit your Alipay account . [ Note: Product information is for reference only , please prevail in kind of product manufacturers such as appearance, packaging or accessories, workmanship , and so changes in small part , they do not affect its quality, does not affect the use , without one notification. ]

Most types of batteries have not sprayed the word body type, V number, capacity, etc., mind do not shoot!
Tips: Voltage 3.7V-4.2V batteries are common to all we can correspond to a good size buy!

Package included:
1 x battery
NO Retail Box. Packed Safely in Bubble Bag
Shipping
Generally, delivery time is 25-45 business days to USA, Australia, United Kingdom and 25-50 days to most other countries.
We will extra delivery time for you if delay, Please DO NOT OPEN A CASE immediaTy, Any problem we will solve for you till you are satisfied;
International Buyers Note:
1) Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer 's responsibility.
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We provide 1 year warranty for all items.
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