Home laptop battery compaq Oem Presario 1820 batteries Oem Replacement Laptop Battery for compaq Presario 1820 Code:1 Special Price: USD Shipping Cost: 9.99USD Number: Brand new product with 1 year warranty! Find other parts of your compaq Presario 1820 This Presario 1820 batteries replaces: This Presario 1820 batteries is compatible with the following models: