Battery Type : Li-ion
Voltage : 10.8V
Capacity：56Wh 
Color: Black
Product Type: Genuine Battery
Condition : Brand New 

Replace Part Numbers:
HP:
587706-131 587706-221 587706-241 587706-251
587706-421 587706-541 587706-741 587706-751
587706-761 593572-001 BQ350AA BQ350AA#ABA
BQ350AA#AC3 HSTNN-CB1A HSTNN-DB1A HSTNN-DB1B
HSTNN-I85C HSTNN-I85C-3 HSTNN-I85C-4 HSTNN-I85C-5
HSTNN-I86C HSTNN-I86C-3 HSTNN-I86C-4 HSTNN-I86C-5
HSTNN-IB1A HSTNN-LB1A HSTNN-Q78C HSTNN-Q78C-3
HSTNN-Q78C-4 HSTNN-Q81C HSTNN-Q81C-3 HSTNN-Q81C-4
HSTNN-W79C HSTNN-W79C-5 HSTNN-W79C-7 HSTNN-W80C
HSTNN-XB1A HSTNN-XB1B PH06 PH06047
PH06047-CL 587706-121 587706-751 587706-761
593572-001 BQ350AA HSTNN-CB1A HSTNN-CBOX
HSTNN-DB1A HSTNN-Q78C HSTNN-Q78C-3 HSTNN-Q78C-4
HSTNN-Q81C HSTNN-UB1A HSTNN-W79C-5

Fit Laptop Models:
COMPAQ:
Compaq 320
Compaq 321
Compaq 325
Compaq 326
Compaq 420
Compaq 421
Compaq 620
Compaq 621
HP:
HP 420
HP 425
HP 4320t
HP 620
HP 625
ProBook 4320s
ProBook 4321s
ProBook 4325s
ProBook 4326s
ProBook 4420s
ProBook 4421s
ProBook 4425s
ProBook 4520s
ProBook 4525s

This compatibility list is non-exhaustive. If your original part NO. or your laptop model NO. is not included in the compatibility list, but our battery may still fit your laptop. Please feel free to contact us to confirm the compatibility.

1. Items will be shipped within 24 hours during the business days after payment cleared. (Sunday & Holidays excluded)

2. Items will be delivered to your Paypal address. Please confirm it is correct. Providing your phone number would be better,it is useful for couriers if your address is hard to look for or you are not there.

3. The tracking number will be given for the customer to check the shipping status online.

4. We are not responsible for any wrong or undeliverable addresses. We can't change the shipping address after the item has been sent out. Please verify and update your shipping address on PayPal during checkout.

US Shipping:

USPS. ( 10-20 Business Days)

International Shipping:

International Registered Airmail. ( 15-25 Business Days)

1. PayPal Payments Must be from a verified PayPal account.

2. If you have any special requirement, please leave a note when you make a payment.

1. Our products have 12 months warranty.A full refund can only be issued within 60 days.

2. If the return is due to the mistakes of buyers, for example, wrong purchase, no need of the batteries after transaction, or other artificial damages, the return shipping fee should paid by the buyer.

3. We can't receive if buyer return by yourselves according to the address on shipping package. We won't solve such case and buyer should responsible for the consequences.Please contact with us before return the item.

1. We have always been trying to provide the best service and reliable products for every customer,if you are satisfied with our goods and service, please give us 5 stars to encourage us to do better and better.if you have any doubt,you can email us immediately.

2. If you are not satisfied with our items or service,please don't hesitate to contact us before you leave any feedbacks or open a case.Negative feedback can't solve the problem,we should solve this problem together and cooperate each other,please trust us,we will give u satisfied solution.