10% off with code FALLBACK
Call us at: 800-798-0325

FREE SHIPPING ON ORDERS OVER $119

Monster Scooter Parts  |  SKU: X98-3778-001  | Razor: W15128190003

W15128190003 - 36 Volt Battery Pack for the Razor SX500

$144.97 Free Shipping
Batteries
10% OFF Click to apply code FALLBACK

Most in-stock parts ship within 1 business day from our Colorado warehouse.
Delivery typically takes 2–5 business days depending on your location.
Need it faster? Expedited shipping options available at checkout.

This item is not returnable. Return Policy

This item has a 1 year warranty. Warranty Policy

Free Shipping
  • US domestic ship to addresses only.
  • Does not include expedited shipping services.
Key Features
  • Select the 12 ah (Standard Range) or the 15 Ah (Extended Range) upgrade
  • Compatibility - 36V battery replacement for all versions of the Razor SX500 Dirt Rocket electric dirt bike
  • Premium Branded Batteries - Battery packs use Universal Battery (UPG) brand batteries, leading suppliers of battery and power-related products in the United States for over 50 years
  • Safely Packaged - To prevent damage, battery packs will not be shipped pre-assembled and will ship with protective terminal caps. Wiring harness will need to be installed. Instructions included
  • Maximize Performance and Lifespan - Top charge prior to first use, keep charged even during periods of storage, don't overcharge, and use manufacturer recommended charger
  • Verify Model Version - Check your Razor 19-digit ID, the 7th and 8th numbers in your product ID code are the version number of your Razor product (e.g. "01" = V1, "09" = Version 9, etc.)
  • Ease of Mind - Rechargeable, maintenance free, valve regulated, easy to handle, spill proof, Sealed Lead–Acid (SLA), utilizes Absorbed Glass Mat (AGM) technology

Description

This 36 volt battery pack replaces the original Razor W15128190003 pack in the Razor SX500 McGrath Dirt Rocket. It includes three new 12 volt sealed lead acid batteries and a wiring harness. Choose standard 12 Ah batteries, or upgrade to 15 Ah for about 25% more run time per charge.

The batteries are Universal Power Group (UPG) AGM batteries: sealed, spill-proof and maintenance-free. To protect them in transit, the pack ships unassembled with terminal caps installed, and wiring instructions are included. The pack is backed by a one-year warranty.

Razor part number: W15128190003


Compatible Models



⚠ WARNING California Residents: Proposition 65 Warning

Reviews (3)

Customer Reviews

Based on 3 reviews
100%
(3)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
T
Tim
Working perfectly

Working perfectly 👌

B
Byron M

Excellent. Easy to replace and work perfectly

R
Robin M

Son loves it. Extra battery time well worth it. Thank you.

Specifications

  • Brand: Universal Battery (Universal Power Group)
  • Model: 12 Ah - UB12120, 15 A - UB12150
  • Style: AGM
  • Voltage: 36 volts (12 volts each)
  • Capacity: 12 Ah or 15 Ah
  • Length: 5.94" each
  • Width: 3.88" each
  • Height: 3.74" each (4" to top of tab connectors)
  • Weight: 26.25 lbs. (8.75 lbs. each)
  • Terminals: F2
  • UL Certified: UL 1989

    • Compatibility
    Monster Scooter Parts BBB Business Review