Home laptop battery compaq Oem 134111B21 batteries Oem Replacement Laptop Battery for compaq 134111B21 Code:1 Special Price: USD Shipping Cost: 9.99USD Number: Brand new product with 1 year warranty! Find other parts of your compaq 134111B21 This 134111B21 batteries replaces: This 134111B21 batteries is compatible with the following models: