The 6-cell ThinkPad battery 77+ is a replacement/spare battery for P50 system. The battery is rechargeable and can be used as replacement or as a convenient spare for mobile workstation ThinkPad P50 system. This battery is powered by Lithium-Ion technology and has a safeguard chip which authenticates with Lenovo systems. The battery lasts on average 90 watt hours* and utilises over-discharge protection to ensure a secure flow of power. *Many factors affect battery life. These include: screen brightness, battery conditioning, features, applications, power management and other customer preferences.Lithium-Ion (Li-Ion) technology 6 cell system battery Over-discharge protection to prolong the life of the battery Battery energy (Watt-hours): 90Wh Battery Safeguard chip authenticates with Lenovo systems
Lenovo 4X50K14091. Type: Battery
| Type | Battery |
| Product color | Black |
| Battery technology | Lithium-Ion (Li-Ion) |
| Number of battery cells | 6 |
| Battery capacity | 90 Wh |
| Width | 8.11" (206 mm) |
| Depth | 3.24" (82.4 mm) |
| Height | 0.698" (17.7 mm) |
| Weight | 16.6 oz (470 g) |
| Compatible products | Lenovo ThinkPad P50 |
| Number of batteries included | 1 pc(s) |
| Harmonized System (HS) code | 84732990 |