ASUS Laptop K52 Series Intel Core i3 1st Gen 350M (2.26GHz) 4GB Memory 640GB HDD ATI Mobility Radeon HD 5470 15.6" Windows 7 Home Premium 64-bit K52JR-X2 - Newegg.com
ASUS Laptop K52 Series Intel Core i5 1st Gen 430M (2.26GHz) 4GB Memory 500GB HDD NVIDIA GeForce 310M 15.6" Windows 7 Home Premium 64-bit K52JC-X1 - Newegg.com
Asus K52JC Review | Trusted Reviews
5200 Mah Replacement Laptop Battery For Asus K42 K52 K52j A31-k52 A32-k52 A41-k52 A42-k52 B53 A31-b53 - Laptop Batteries - AliExpress
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Asus K52JC Repair - iFixit
Amazon.com: DR. BATTERY A32-K52 Battery Compatible with Asus K52F K52J A52F A42-K52 X52F K52 K42F X52J A52J A42J K52JC A41-B53 A41-K52 A32-K42 A31-B53 A31-K42 A31-K52 A32-B53 [10.8V/4400mAh/48Wh] : Electronics
Amazon.com: DR. BATTERY A32-K52 Battery Compatible with Asus K52F K52J A52F A42-K52 X52F K52 K42F X52J A52J A42J K52JC A41-B53 A41-K52 A32-K42 A31-B53 A31-K42 A31-K52 A32-B53 [10.8V/4400mAh/48Wh] : Electronics