Prima Battery (B9-B); PX Electric Start, ET4, Stella, etc.

Shipping calculated at checkout.

Battery, B9B for the following models: 

PX with electric start
LX150 pre-2007
Stella 2T
Stella 4T

*Not for use with Stella Auto.  For Stella Auto, use Sku: 1100-1093

Not sure if this will fit your scoot?  Check out our battery sizing chart.

Ships With Acid!

**Please note this product can only be shipped to the contiguous United States (lower 48 states and D.C.). International orders and orders bound for Alaska, Hawaii, or Puerto Rico for this item will be canceled.


Length: 5 3/8 in
Width: 3 in
Height: 5 3/8 in

Cold Cranking Amps:  90

Model Fitments

Vespa P125X (1977-1982) – VNX
Vespa P150X (1978-1983) - VLX
Vespa PX150 Disc (1997-2000) - VLX
Vespa PX200E (1984-1997) - VSX
Genuine Stella 2T
Genuine Stella 4T

  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
Since 1989

Supplying parts and accessories for vintage and modern scooters since 1989 – Over Half a Million Served and Counting!

Comprehensive Resource

From wear-and-tear items like tires and oil filters to aftermarket parts from industry-leading brands.

Dealer Focused

With a committed team of dealer-focused sales reps and streamlined pricing and shipping processes, we are dedicated to supporting your business.


Our team constantly strives to develop and source the best new products for your scooter.