57Y4185: ThinkPad Battery 55+ (6 Cell).
Stay unplugged longer with ThinkPad Battery 55+ and ThinkPad Battery 55++. These rechargeable batteries use Lithium-Ion (Li-Ion) technology and can be used as replacement for aging system batteries or as a convenient spare battery. Features & Benefits: - Lithium-Ion (Li-Ion) technology - Six-cell, rechargeable system battery, 57Wh - Standard system battery specifications - Over-discharge protection Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| Type | Battery |
| Depth | 56 mm |
| Width | 208 mm |
| Height | 20 mm |
| Weight | 340 g |
| Certification | CE MARK, UL/cUL, ACA/C-Tick, PSE, KC |
| Product colour | Black |
| Battery technology | Lithium-Ion (Li-Ion) |
| Number of battery cells | 6 |
| Harmonized System (HS) code | 84732990 |
| Operating temperature (T-T) | 5 - 35 °C |
| Operating relative humidity (H-H) | 8 - 95% |
No lifecycle data available.