The ThinkPad X300 series 3 cell Li-Polymer battery and the ThinkPad X300 series 6 cell Li-Ion battery are rechargeable system batteries that can replace your original system batteries or be swapped in as spares.
The ThinkPad X300 series 6 cell Li-Ion battery delivers the greatest amount of run time for X300 series ThinkPad notebooks. However, to achieve all-day computing, use the ThinkPad X300 series 6 cell Li-Ion battery and the ThinkPad X300 series 3 cell Li-Polymer bay battery at the same time.
The ThinkPad X300 Series 6 Cell Li-Ion Battery (43R1967) features:
- Lithium-Ion (Li-Ion) technology
- Six-cell, rechargeable system battery, 10.8 V dc, 4.0 Ah
- Standard system battery specifications
- Over-discharge protection
- Capacity: 43.2 watt hours
- Charge time(power off): 3 hours maximum
1 year - Customer Replacement Unit (CRU) Service