LENOVO ThinkPad X300 Series laptop batteries|ThinkPad X301 Series battery

 This replacement laptop battery can replace the following part number:
FRU 42T4518 battery
ASM 42T4519
ASM 42T4523
43R1967
43R1965 batteries
FRU 42T4522
  This replacement laptop battery is compatible with the following models:
ThinkPad Reserve Edition 8748
ThinkPad X300 2748
ThinkPad X300 2749
ThinkPad X300 6476
ThinkPad X300 6477
ThinkPad X300 6478
ThinkPad X300 Series
Thinkpad X301 2774
Thinkpad X301 2776
Thinkpad X301 2777
Thinkpad X301 2778
Thinkpad X301 2779
Thinkpad X301 4057
ThinkPad X301 Series laptop battery

Product Description
The ThinkPad X300 notebook puts the ultra in ultraportable. They're designed for on-the-go professionals who need maximum portability and lightweight. And there's no trade-off in usability or durability. This high-performance ThinkPad X300 gives you Intel's latest Core 2 Duo Low voltage SL7100 processor with 2GB RAM, built-in ultra-thin DVD+-R/RW Drive, 64GB Solid State Drive, all working flawlessly on the Windows XP Professional operating system. Plus, the Lenovo Thinkpad X300 notebook offers multiple wireless connections such as Wireless 802.11a/b/g/n and Bluetooth technologies. Other features that make this the perfect notebook are the wide comfortable touchpad, a new spill-resistant Thinkpad keyboard and next generation Thinkpad Roll-Cage technology giving you ultimate durability while keeping it light. Enjoy watching DVD movies, or making presentations with the sharp and bright 13.3" with backlit LED Display. You also get integrated webcamera and advanced security protection such as security chip with Fingerprint reader （FUJITSU FPCBP216AP laptop batteries）. Since it all weighs about 3lbs. and is less than 1" thin you won't feel burdened taking a ThinkPad X300 everywhere you go. For incomparable portability, superior power, and outstanding battery life - there's only one laptop to consider - the Lenovo ThinkPad X300 laptop computer. 13.3 WXGA+ TFT LED Display Built-in Webcamera and Microphone Intel Graphics Media Accelerator X3100 Video Card Ultra-thin DVD+-R/RW Drive Intel PRO/Wireless 4965 802.11A/B/G/N Intergrated Bluetooth Fingerprint Reader 3 x USB 2.0, RJ-45 LAN Approximate Unit Dimensions - 0.73 - 0.92 (H) Approximate Unit Weight - 3.17lbs

I have own it for more than half a year now. It is a great laptop. The most enjoyable feature is its light weight. I travel a lot and it saves my back. What's amazing is that in this slick baby it comes with 3 USB ports, a ultra-compact DVD that helps me enjoy movies on the go, a built-in cam and mic, and much more. The sound of the speakers, which are hide within the case, is great! Much better than many other laptop speakers. This is very convenient when you are in a hotel room and have no access to good surround sound systems, yet would like to enjoy a little piece of movie without plug you ears with uncomfortable earphones.
The only little disappointment is its battery life. I bought one that claimed to last 6 hours, but at most it last about 4 hours. After half a year, it now lasts about 2 hours. I wish this can be improved.
Overall, I love it. I will recommend this one to my friends if the portability is their major concern in choosing a laptop.

I love how sturdy and lightweight the X300 is. Like most Thinkpads, it looks deceivingly simple (plain black), this is great because it doesn't attract too much attention when traveling in not so safe areas.
One thing that often gets ignored, but it ends up being very important, is the dimensions and weight of the AC adapter; the one that comes with the X300 is very small.
I got mine with 4GB RAM which can only be fully used with a 64-bit OS. I installed Ubuntu and I was quite pleased that most things worked "out of box", even the built-in CDMA modem and webcam!
The solid state drive is great but I am not sure it's worth the high price. It's a small drive, which is fine for most people, but the newer model (x301) has a much bigger disk.
The WLAN is fantastic. I got the Verizon service and its coverage is very good.

more info: cheap laptop batteries