4 cells 80Wh Lenovo THINKBOOK 16P G4 IRH-21J8000RAK excellent quality battery uses an intelligent control chip, which comes with higher performance and reliability, longer run-time and battery life. Built-in protection circuitry ensures its stability and safety, fast charge but slow power consumption.
Strong endurance , power saver, use good cells to do laptop battery - Lenovo THINKBOOK 16P G4 IRH-21J8000RAK Excellent quality Battery Replacement.
Features of Our Lenovo THINKBOOK 16P G4 IRH-21J8000RAK replacement battery:
Each Lenovo THINKBOOK 16P G4 IRH-21J8000RAK 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.
We specialize in providing high-quality batteries. The Lenovo THINKBOOK 16P G4 IRH-21J8000RAK Battery has passed tests according to Security Standards to ensure battery's quality. The interface metal and solid insulators of the Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery are made of Premium materials to ensure stable current input and durability. Round-sealed package ,faster delivery and thoughtful after-sales service will make you feel assured to purchase.
Security Technology
Multiple Protection Features, Safe and Worry-Free.
ESD PROTECTION
overheating protection
short circuit protection
CHARGING TIME PROTECTION
over discharge protection
INTELLIGENT PROTECTION
CLASS A PROTECTION
overvoltage protection
overcurrent protection
overcharge protection
ELECTROMAGNETIC
POWER PROTECTION
Product Larger Images
Compatibility
Note:
Please confirm your laptop battery and laptop model and check the appearance of the battery before placing an order. If you are not sure about your battery part number, you can contact our online customer service in time to avoid delays in your use. Regardless of any problems you encounter during the purchase process, please contact us in time and we will be happy to help you with your problem.
shipping within 24 hours
After your payment is successful, we will arrange delivery within 24 hours.
30-Day Money Back Guarantee
We promise, the new Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery
can be used free for 30 days, not satisfied with direct return.
1-Year Warranty
We offer a 12-month warranty to replace the Lenovo THINKBOOK 16P G4 IRH-21J8000RAK laptop battery! In the meantime, if your battery fails due to quality problems, we will replace it with a new one for free.
100% Security Payment
We focus on the protection of personal privacy information, and we have taken all steps to ensure that your shopping experience is safe and secure, buy Lenovo THINKBOOK 16P G4 IRH-21J8000RAK replacement battery with confidence!
FAQs
Q: The Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery has been installed several times, but laptop can't boot up?
A: Carefully check if interfaces of the computer and the battery are correctly connected.
If the cause of loose contact is ruled out, please contact the after-sales customer service to ensure that the battery part number and laptop model are matched.
Q: How to store the Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery if you won’t use it for a long time?
1It is not a feasible way for you either fully charge or fully discharge battery if long term storage. Security risks will generate if under a fully charged state, while both cells and control circuit protection lock will be deactivated if under a fully discharged state. So you’d be better store the Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery at a half fully charged state and keep it in a cool, dry place. 20 degrees Celsius is the optimum storage temperature.
2Install and run Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery as often as possible(at least once a month) so as to ensure its availability and avoid power drain.
Q: How to extend the life of your Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery?
1Please fully charge your laptop before using it for the first time. Because the Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery is normally shipped in a partially-charged state. Please cycle your battery pack by fully charge (more than 12hours) and discharge(less than 10%) for 3-5times to reach maximum rated capacity.
2Please don’t discharge battery to 0%, which is the most common reason among faulty batteries. It will damage battery if the laptop usually works at a critical power level ( below 3%).
3Charge the battery before it runs to 20%. It is scientifically justified that charging battery at 20% till 80% will extend battery life to the longest.
4If your Lenovo THINKBOOK 16P G4 IRH-21J8000RAK battery won’t be used for a long time, please charge it once a month and keep battery power over 50%, remove it from your laptop and store it in an antistatic bag in a cool, dry place.
