Purchase Asus D509B batteries
Asus D509B battery
| Capacity | 3800mAh |
| Voltage | 7.7V |
| Max. energy | 29Wh |
| Type | Type D |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Sygnosis |
| Warranty | 1 year |
Asus D509B original battery
| Capacity | 4850mAh |
| Voltage | 7.7V |
| Max. energy | 37Wh |
| Type | Type D |
| Cell technology | Lithium-polymer |
| Color | Black |
| Manufacturer | Asus |
| Warranty | 1 year |