The ThinkPad Battery 12 (4 Cell) and ThinkPad Battery 12++ (8 cell) are rechargeable batteries that use Lithium-Ion technology. They can be used as a replacement for aging system batteries or as a convenient spare battery.

The ThinkPad Battery 12 (4 cell) (43R9256) features:

• Lithium-Ion (Li-Ion) technology
• Four-cell, rechargeable system battery'
• Battery performance amp-hour: 2.0 Ah
• Battery Performance Watt-Hour: 28.8 Wh
• Meets standard system battery specifications
• Over-discharge protection
• Compatible with the ThinkPad External Battery Charger
• Charged using the integrated battery charger within the ThinkPad X200 UltraBase
• Previously named as: ThinkPad X200 Tablet Series 4 Cell Li-Ion Battery

The ThinkPad Battery 12++ (8 cell) (43R9257) features:

• Lithium-Ion (Li-Ion) technology
• Eight-cell, rechargeable system battery
• Battery performance amp-hour: 4.6 Ah
• Battery Performance Watt-Hour: 66.2 Wh
• Meets standard system battery specifications
• Over-discharge protection
• Charged using the integrated battery charger within the ThinkPad X200 UltraBase
• Previously named as: ThinkPad X200 Tablet Series 8 Cell Li-Ion Battery

ThinkPad Battery 12 (4 cell) (43R9256):

• Approximate height: 12.9 mm (0.51 in)
• Approximate width: 253.7 mm (10.00 in)
• Approximate depth: 72.5 mm (2.86 in)
• Weight: 263 g (0.52 lb)

ThinkPad Battery 12++ (8 cell) (43R9257):

• Approximate height: 12.9 mm (0.51 in)
• Approximate width: 293.0 mm (11.54 in)
• Approximate depth: 102.2 mm (4.03 in)
• Weight: 465 g (1.03 lb)

• Temperature: 5 deg to 35 deg C (41 deg to 95 deg F)
• Relative humidity: 8% to 95%
• Shock: 50cm free drop
• Vibration (Random RMS): 1.04 G (2 Hz to 200 Hz)

1 year - Customer Replacement Unit (CRU) Service

• Announce date: 23 September 2008 (Worldwide)
• Planned availability date: 23 September 2008 (Worldwide)

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