High Quality Replacement Battery for Nokia BL-4U (3.7V, 1000MAH/3.7WH)

Features of Our Nokia BL-4U replacement battery:
Each Nokia BL-4U replacement battery unit is made of high-quality lithium-ion cells for longer last time.
The battery is up to standard and fully compatible with original specifications.
All our batteries are certified by CE, UL, ROHS, ISO9001/9002 as safe products.
The interface metal and fixed insulator of the battery are made of good materials to ensure stable current input and durability.

Rating: free shipping(Orders ship out in 1-2 business days.)

Item Code: ECN10635_Te
Condition: Brand New
Brand: Nokia
Cell Type: Li-ion
Capacity: 1000MAH/3.7WH
Voltage: 3.7V
Warranty: Full 12 Months Warranty and 30 Days Money Back
Compatible: BL-4U
Availability: In Stock!

Special Price:£22.99
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Product Description

Our brand new 3.7V 1000MAH/3.7WH replacement battery for Nokia BL-4U is made with high-grade Li-ion cells from Samsung, LG, Panasonic to ensure maximum performance. This replacement Nokia BL-4U battery pack is specially designed with multiple-protection circuit for maximum safety. The housing of the Nokia BL-4U battery pack is made of non flammable and very durable plastic, which is fire retarded and avoids damage when dropped from low heights.

Condition: Replacement, Brand New
Item Code: ECN10635_Te
Brand: Nokia
Cell Type: Li-ion
Capacity: 1000MAH/3.7WH
Voltage: 3.7V
Compatible: BL-4U
Warranty: 1 Year Warranty. 30 Day Money Back.
Useful Life: 300-500 Recharge Cycles

Nokia BL-4U Battery Tips:

When buying A Replacement Battery, please carefully compare your original battery against the new one. Always check the specs!

Compare the Specifications

Check the Shape

Check the Mounts

Check the Part# and Voltage

Check the Connection

Nokia BL-4U Smartphone Battery can replace the following part numbers:

Nokia BL-4U Smartphone Battery is compatible with the follow models:

Nokia E66 C5-03 5530 5730 5250 8800


If the capacity is low in current,CPU will be in electricity-saving model and battery can not be charged.In this case,take off the battery and fit on to rouse the CPU. The Nokia BL-4U battery can be charged then.

Remove the battery when don't use if for long time,or the currency will be lost and the cell will be damaged.

Recharge the battery as the circle more than once per month to make the management of capacity reach its best status, and prolong Nokia BL-4U Smartphone Battery useful life.

Safety Instructions And Warnings

1. Do not disassemble,modify or re assemble the battery.

2. Do not expose the battery to a place where the sun is direct,or placed near other heat sources and chimneys.

3. Do not place the battery in proximity to the flammable,explosive,dangerous goods and corrosive substances.

4. In strict accordance with the local environmental protection laws and regulations, discarded batteries and accessories,Do not handle this product with the family waste.

5. If the battery in the charging process has an unpleasant smell or shell deformation occurs, should immediately turn off the power supply, and unplug the power cord AC power outlet, in order to avoid possible damage or risk.

6. Be sure to place the battery in a place where the baby and the children are not exposed. Do not allow children to play in the absence of supervision in the vicinity of the product and its connection.

Why Buy Nokia BL-4U Battery From Here?

1. Our Price:

Save up to 30%, Online buying battery,you always hope get a preferential price. We make this sure by offering high quality but cheap Nokia BL-4U Battery Replacement.

2. Our Policy:

30 days money back.

1 year quality warranty.

Free shipping to all over the world.

3. Our Quality:

We believe that our customers should receive the highest quality Nokia BL-4U Replacement Battery. Our battery for Nokia BL-4U passed the CE, UL, ROHS, and ISO9001 certifications. It can full charge/discharge at least 300-500 times.

4. Our Service:

We have a dedicated team of customer service executives who are eager to help you save time and money by sharing their knowledge and expertise on Smartphone Battery and related products.

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1-Year Warranty
All our high quality replacement batteries for Nokia BL-4U come with a 1-year warranty. Warranty is applicable if the buyer has installed the battery properly in the device and has treated the battery correctly.
30-Day Money Back Guarantee
Our goal is to turn customer satisfaction into ‘Complete Customer Satisfaction’. That's why we offer you a 30-day money back guarantee, on top of our warranty and RMA procedure for defects!
Please note: in order to qualify to get your money back, you must first contact us and await instructions before sending back your product.
If you have a problem with one battery which bought from us, please contact us first. We will process your request and try to find a solution for your problem. If the problem cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you. If inspection concludes that the returned battery is defective, a new battery will be shipped out without extra charge.


Q: How to check this battery is compatible with my laptop?
A: Please find out your old battery's part number or the exact model name of your laptop at first (like 'Nokia BL-4U'), then to match our product compatibility chart. Second please compare your old battery to our product images ensure their shape is same. Finally check the voltage(Rating) is same to your old battery's.
Q: Does your replacement Nokia BL-4U battery compatibles with my original Nokia BL-4U battery?
A: 100% OEM compatible, guaranteed to meet the specifications of your original Nokia BL-4U battery (ensue same size & high quality). And all our batteries for Nokia BL-4U have obtained international certification( CE, UL, ROHS, ISO9001/9002 ).
Q: How to charge a new battery for Nokia BL-4U for the first time use?
A: New Nokia BL-4U battery pack is normally shipped in its partially charged condition. Please cycle your new Nokia BL-4U battery pack by fully charge and discharge it for 3-5 times to allow it to reach its maximum rated capacity before use. (Note: it is perfectly normal for a battery to become warm to the touch during charging and discharging).
New batteries are hard for your device to charge; they have never been fully charged and are therefore "unformed". Sometimes your device's charger will stop charging a new battery before it is fully charged. If this happens, simply remove the battery from your device and then re-insert it. The charge cycle should begin again. This may happen several times during your first battery charge. Don't worry; it's perfectly normal.
Q: How to Remove Replace Install and Upgrade your Nokia BL-4U Smartphone Battery?
A: 1. Turn yourNokia BL-4U laptop over.
2. Find the laptop battery release button lock for your Nokia BL-4U laptop.
3. Now that your Nokia BL-4U Smartphone Battery is unlocked, find the battery release button down.
4. Holding the Smartphone Battery release button, gently pull your battery away from the laptop.
5. Now that your Nokia BL-4U battery is removed, grab your replacement Nokia BL-4U battery for installation.
6. Insert the battery into the slot. Push the Nokia BL-4U battery towards the laptop and secure it in place.
Q: How To Extend Your Nokia BL-4U Battery Life
1. When using a laptop, you can dim the screen. By far the biggest power drain on most laptops is the screen.
2. Don't leave your Asus laptop battery on the permanent charge.It is not advantageous to charge the original Smartphone Battery BL-4U for a long time.
3. By default, your laptop might be set to Windows’ ‘Balanced’ setting rather than Power Saver,you can customize a power plan by clicking Change plan settings next to a profile.