• 100% New Battery Type: Li-ion Capacity: 66.6WH Voltage: 11.1 V Tool: Four Free Screwdrivers
  • Compatible with Laptop Model:Apple Macbook Pro 13" (2009 2010 Early 2011 version)
  • Compatible with battery model: A1322, A1278, 661-5229, 661-5557, 020-6547-A, 020-6765-A
  • CE-/ROHS Certified for Security Assurances,100% New from Manufacturer.
  • At WENYAA, we provide 12-month product warranty 3-month Money Refund and perfect customer service!

Completely satisfied.

So far the battery is holding a great amount of charge. My old one would die out in an about an hour and a half or 2 hours at a continuous use, so I decided to buy a new one. Now I can go for a while without having to scramble to find an outlet when I’m in the middle of doing some work. Also, it was good having the screw driver set included given that the screw heads were of a different kind from the regular philips and/or flat head.

Bought the battery from this seller for my old 2012 MacBook, because all of a sudden it did not power on, unless plugged in, so I expected it was an issue with the battery and I ordered from this seller. The battery came quickly. It included tools to change the battery, which were much needed because to unscrew the laptop you need a special type of screws, so these tools were very helpful. Without these tools i would not be able to take out the battery. Changing the battery itself was not difficult. So far, i've used it for about 3 months and my new battery holds like a new laptop. I'm happy with this product. Thank you!

Update 5/17/19: I had a minor issue with the battery which caused my track pad to bulge a little so I contacted the company and they promptly sent a replacement. I'm now back on track with a very good battery and very satisfied. So far the battery is holding up great. When I got it I went through the charge and discharge procedure, it it's now holding a charge and lasting a long time. The price was great, it came with four free tools to help with the install, and arrive extremely fast. I highly recommended this battery.

This battery was easy to install and fit perfectly. Conditioned the battery by completely discharging then charging. I get 5 hours of computer time per charge. Great product!

Plugged it in and it works/charges as expected. Came with the appropriate tools for installation (philips & trilobe). What's not to like?

I have purchased four replacement batteries over the years for a 2009 MacBook Pro. This is the first one that provides long running time after a couple of months of use and does not rapidly fail. The battery takes longer to charge than others I have purchased but it lasts several hours. It will even hold about 80% of a charge for over a week in an unused computer. That's better than most replacements I tried.

The battery seems good so far. The one I received came with a 0 cycles and a 77% charge, as well as being slightly larger than the original battery by 217mAh. After reading online for an hour at 25% brightness, the battery went down to 86% from a full charge and it's estimated to last another ~7 hours of the same activity. This is with a ssd, more memory, and replaced thermal paste so it runs relatively cool. It seems the runtime will be proportionate to the additional mAh over my worn old battery. Overall if it continues to work this well, it's a great value. Although I will update if the condition changes.

It looks and feels like OEM. They give you a manual but it's just warnings. There are no step by step instructions but you don't need them. It's simple. You unscrew the back unscrew 2 screws holding down the battery and unplug it and lifted out. Then stick in the replacement and button it all back up again. I made an instructional video but I couldn't load it to Amazon but it's on YouTube for your viewing pleasure. It came with 4 screwdrivers 2 phillips head and 2 torx heads. Even though they are cheap it's nice to have them included. The battery came charged at 76% so it charged up to 100% in no time. Charging from low like 5% takes about the same time as OEM. Discharging the battery however is different. Works normally to under 50% then from anywhere in the 40% to 30% it will drop suddenly to below 7% instantly. I haven't seen any readings in the 20s or teens. Seems to have a problem giving proper readings below 50%. No warping does not get as hot and seems to work but the capacity may be lower than indicated. IDK. Update: Great customer service. They heard about my issue and sent me a replacement.

Fair price and good charge Used it for 2 weeks and so far hold charge very well Happy with the purchase