Amazon.com: TREE.NB AP13J3K Battery Compatible with Acer Chromebook 11.6" 11 C740 C720 C720P Series Notebook AP13J4K KT.00304.001 KT.00303.001 (Short Cable 2.5cm. NOT fit for 4cm or 6cm Long Battery Cable.) : Electronics
Acer Chromebook AP13J4K Battery
Acer Chromebook C720 Battery
Techie Compatible Battery For Acer AP13J3K /C720 - AP13J4K, Chromebook C720P Laptop (3400mAh, 3-Cell) - Techie Store