Laptop Battery PATONA for ACER AS10D31, 5200mAh, Li-Ion, 11.1V, PREMIUM:Do you have to be always connected to power supply and is your laptop battery almost flat? Do you want a new one, but is the original replacement too expensive for you? We have a solution for you. Patona quality batteries will replace your original battery. They are high quality, safe and have integrated overload and overcharge protection.Key features of the PATONA replacement batteryDesigned for selected ACER laptop modelsHigh quality cellsOverload and overcharge protectionIt will fully replace the originalCompatible laptops:Acer Aspire 4250 Series, 4251 Series, 4252 Series, 4253 Series, 4333 Series, 4339 Series, 4349 Series, 4551 Series, 4552 Series, 4560 Series, 4733 Series, 4738 Series, 4739 Series, 4741 Series, 4743 Series, 4750 Series, 4752 Series, 4755 Series, 4771 Series, 5250, 5251Series, 5252 Series, 5253 Series, 5333, 5336, 5551 Series, 5552 Series, 5560 Series, 5733 Series, 5736 Series, 5741 Series, 5742 Series, 5749 Series, 5750 Series, 5755 Series, 6073, 7251 Series, 7551 Series, 7552 Series, 7560 Series, 7741 Series, 7750 Series, Acer eMachines E440 Series, E442 Series, D528 Series, D530 Series, E640 Series, E642G Series, E650 Series, E730 Series, E732 Series, G440 Series, G530 Series, G640 Series, G730 Series, Acer TravelMate 4370 Series, 4740 Series, 4750 Series, 5335 Series, 5340 Series, 5542 Series, 5735 Series, 5740 Series, 5742 Series, 5744 Series, 5760 Series, 6495 Series, 6595 Series, 7740 Series, 7750 Series, 8472 Series, 8473 Series, 8572 Series, 8573 Series, Acer TimelineX 6495 Series