Stay unplugged longer with these genuine ThinkPad batteries. These rechargeable batteries use Lithium-Ion technology and can be used as replacement for aging system batteries or as a convenient spare battery.

The ThinkPad battery 44 is ideal as a replacement or convenient spare battery for your X220 and X230 systems. It utilises advanced Lithium-Ion and Lithium-Polymer technology, allowing you to stay unplugged longer. The 4 cell system is rechargeable and is compatible with the ThinkPad External Battery Charger (40Y7625). On average, the battery lasts 29 watt hours*.

*A multitude of factors cause battery life to vary. These include: applications, power management, features, battery conditioning, screen brightness and other customer preferences.

The ThinkPad Battery 44 (4 cell) features:

• Lithium Polymer technology
• 4 cell system battery
• Battery energy (Watt-hours): 29 Wh
• Compatible with the ThinkPad External Battery Charger (40Y7625)

The ThinkPad Battery 44+ (6 cell) features:

• Lithium-Ion (Li-Ion) technology
• 6 cell system battery
• Battery energy (Watt-hours): 63 Wh
• Compatible with the ThinkPad External Battery Charger (40Y7625)

The ThinkPad Battery 44++ (9 cell) features:

• Lithium-Ion (Li-Ion) technology
• 9 cell system battery
• Battery energy (Watt-hours): 94 Wh
• Compatible with the ThinkPad External Battery Charger (40Y7625)

ThinkPad Battery 44 (4 cell) (0A36305):

• 4 cells
• Lithium-Ion (Li-ion) technology

ThinkPad Battery 44+ (6 cell) (0A36306):

• 6 cells
• Lithium-Ion (Li-ion) technology

ThinkPad Battery 44++ (9 cell) (0A36307):

• 9 cells
• Lithium Cylindrical (Li Cylindrical)

ThinkPad Battery 44 (4 cell) (0A36305):

• Battery energy (Watt-hours): 44 Wh
• Battery capacity (Amp-hours): 1.95 Ah
• Output voltage: 14.4V dc (nominal)

ThinkPad Battery 44+ (6 cell) (0A36306):

• Battery energy (Watt-hours): 63 Wh
• Battery capacity (Amp-hour): 5.6 Ah
• Output voltage: 11.1V dc (nominal)

ThinkPad Battery 44++ (9 cell) (0A36307):

• Battery energy (Watt-hours): 94 Wh
• Battery capacity (Amp-hour): 9.0 Ah
• Output voltage: 11.1V dc (nominal)

ThinkPad Battery 44 (4 cell) (0A36305):

• Approximate height: 12.9 mm (0.5 in)
• Approximate width: 208.12mm (8.2 in)
• Approximate depth: 50.09mm (2.0 in)
• Approximate weight: 195 g (0.43lbs)

ThinkPad Battery 44+ (6 cell) (0A36306):

• Approximate height: 22.8 mm (0.9 in)
• Approximate width: 208.8 mm (8.2 in)
• Approximate depth: 55.1 mm (2.2 in)
• Approximate weight: 345 g (0.8 lbs)

ThinkPad Battery 44++ (9 cell) (0A36307):

• Approximate height: 27.4 mm (1.1 in)
• Approximate width: 230.8 mm ( 9.1 in)
• Approximate depth: 78.9 mm (3.1 in)
• Approximate weight: 510 g ( 1.1 lbs)

1 year – Customer Replaceable Unit (CRU)

• Announce date: 05 Jun 2012 (Worldwide)
• Availability date: 05 Jun 2012 (Worldwide)

• Battery
• Publications

• 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)

• CE MARK
• UL/cUL
• ACA/C-Tickv
• PSE
• KC