hi , i need help in know my battery number this is the below of my macbook pro info bought 2010
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MacBook Pro (13-inch, Mid 2010) - Technical Specifications
Size and weight
Height:
0.95 inch (2.41 cm)
Width:
12.78 inches (32.5 cm)
Depth:
8.94 inches (22.7 cm)
Weight:
4.5 pounds (2.04 kg)1
Connections and expansion
MagSafe power port
Gigabit Ethernet port
One FireWire 800 port (up to 800 Mbps)
Mini DisplayPort
Two USB 2.0 ports (up to 480 Mbps)
SD card slot
Audio in/out
Kensington lock slot
Communications
AirPort Extreme Wi-Fi wireless networking2 (based on IEEE 802.11n specification); IEEE 802.11a/b/g compatible
Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Audio
Stereo speakers with subwoofers
Omnidirectional microphone
Combined headphone/line in (supports digital output)
Support for Apple iPhone headset with microphone
Environmental Status Report
MacBook Pro is designed with the following features to reduce its environmental impact:
Highly recyclable aluminum and glass enclosure
Mercury-free LED-backlit display
Arsenic-free display glass
BFR-free
PVC-free3
Reduced packaging volume
Meets ENERGY STAR Version 5.0 requirements
Rated EPEAT Gold4
it doesnt say battery number help please