RTR Upgrade Battery

ETM RTR XL 72V Upgrade Battery

Compare Electro & Co replacement battery packs for your ETM RTR XL electric pit bike. The displayed $1,599 price is for the Mod Pack.

• 500-1002 Mod Pack / XL OEM: 72V nominal, 84V maximum, 35Ah, 2.5kWh, approximately 30 lb; $1,599.
• 500-1003 Touring Pack: 72V nominal, 84V maximum, 45Ah, 3.2kWh, approximately 40 lb; $1,999.

Both use Samsung cells, a 250A rated discharge, 400A peak-rated ANT BMS, replaceable QS8 discharge and XT90 charging connections. Manufacturer fast-charge ratings are up to 35A for Mod and 45A for Touring.

Listed compatibility: 2025 RTR, 2026 RTR Sport and XL, 2025–26 RTR Lite, and 2026 Rizzler and Rizzler Sport. XT60-equipped Lite and Rizzler models require an updated RTR charge port. Not compatible with the 60V nominal RTR Lite charger; not recommended for RTR Alpha. Do not assume compatibility with other chassis.

Contact East Central Sports to confirm your battery, charger and connectors. Online purchasing is disabled for this reference listing.