When using this battery, window will show"NOT ORIGINAL BATTERY", But will not affect charging the battery. You can switch off this notice in Power Manager and Messager Center still reserves this notice, the motion of your notebook won't be influence.
 ■ Fits LENOVO Notebook model:
ThinkPad X301 Series (13.3" Widescreen)
■ Model: 43R1965 , 43R1967 , ASM 42T4519 , ASM 42T4523 , FRU 42T4518 , FRU 42T4522

■ Voltage: 10.8V
■ Capacity: 4000mAh (43Wh)
■ Cell Origin: Panasonic Lithium ion
■ Max Recharge Cycle: 500 full Discharge/Charge cycles
■ Dimensions (LxBxH): 255.40 x 72.00 x 12.90 mm
■ Weight: 296.15 g
■ Color: Black
■ Warranty: 12 Month
■ Refund Policy: 30-Day Moneyback Guaranteed

LENOVO

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 (13.3" Widescreen)

Product Code	CL7519B
Voltage	10.8 V
Dimension	255.40 x 72.00 x 12.90 mm
Color	Black
Original Capacity	4000 mAh

Laptop Batteries
LENOVO
ThinkPad Reserve Edition 8748	ThinkPad X300	ThinkPad X300 2748
ThinkPad X300 2749	ThinkPad X300 4052	ThinkPad X300 6476
ThinkPad X300 6477	ThinkPad X300 6478	ThinkPad X301 (13.3" Widescreen)
Thinkpad X300 4183	Thinkpad X301 2774	Thinkpad X301 2776
Thinkpad X301 2777	Thinkpad X301 2778	Thinkpad X301 2779
Thinkpad X301 4057	Thinkpad X301 4182

LENOVO
42T4641	42T4643	43R1965
43R1967	ASM 42T4519	ASM 42T4523
FRU 42T4518	FRU 42T4522