
ETM RTR Power Upgrade Kit | Mod Battery, Touring Battery & Torque Motor | by Electro & Co
RTR⢠Power Upgrade KitĀ
Mod & Touring Battery & Torque Motor | by Electro & Co For ETM RTR Only
Unlock Full Performance from Your ETM RTR
The official RTR⢠Power Upgrade lineup is hereābuilt to take your ETM RTR from fun to full send. Whether you're pushing for raw torque, max range, or just a smoother ride, this is your go-to upgrade path. These kits are made specifically for the ETM RTR chassis with premium Samsung cells, high-discharge ANT BMS, and plug-and-play install. No guesswork, just results.
Choose Your Battery Setup
- Mod Pack ā 72V (84V Max), 35Ah : 2.5kWh capacity, ~30lbs
- 250A Continuous / 400A Peak Discharge (ANT BMS)
- QS8 Discharge & XT90 Charge Port ā Replaceable
- Fast Charging SupportĀ Up to 35A
- Lightweight & punchyĀ ideal for aggressive builds
- Touring Pack ā 72V (84V Max), 45Ah : 3.2kWh capacity, ~40lbs
- Same high-discharge specs (250A/400A)
- QS8 Discharge & XT90 Charge Port ā Replaceable
- Fast Charging Support Up to 45A
- Max range battery for extended trail missions
Built exclusively for ETM RTR. Not compatible with: ETM V2, Mototec, Razor, Funbikes, EBOX, or other non-RTR frames.
RTR High Torque Mod Motor
Get serious low-end grunt without swapping your controller. The RTR Mod Motor is a plug-and-play torque monster designed to deliver smoother launches, better throttle response, and cooler operation ā all while keeping OEM fitment.
- Upgraded Rotor & Stator = More Magnetic Pull
- Handles 30°C higher temps than stock
- Thinner Laminations = Less Energy Loss
- Maintains full compatibility with RTR Controller
- No tuning required ā drops right in
Note: This upgrade does not increase peak kW but significantly improves torque-per-amp. Ideal for trail riding, track use, and wheelie-friendly setups.
Optional: Add the Mod Motor Tune Service to unlock full heat tolerance potentialĀ recommended for racers or aggressive riders.
Key Features
- Replaceable QS8 & XT90 Ports for easy serviceability
- ANT Smart BMS ā 250A Continuous / 400A Peak
- Samsung Cells ā Industry-grade reliability
- Fast Charge Support ā 35A (Mod) / 45A (Touring)
- Direct Drop-In for ETM RTR ā No mods required
Ā Charger Upgrade
EMXĀ® 12A Adjustable Charger ā Trusted across EMX and E&C builds, this universal 60Vā72V charger gives you full control over charge rate (1Aā12A).
- Adjustable Output ā Dial between 1Aā12A (10A continuous)
- Smart Charging ā Voltage taper, full auto shutoff
- Universal Compatibility ā Works with most 60ā72V e-bike packs
- Simple Operation ā Plug in, set dial, done
Ā
Ā Watch It In Action
Range tested by Tim from Shoot the Chit:
Whether you're building a torque-heavy mod machine or stacking range for long days in the saddle, this upgrade kit lets your RTR live up to the nameāReady to Rip.
Original: $1,708.98
-70%$1,708.98
$512.69More Images




ETM RTR Power Upgrade Kit | Mod Battery, Touring Battery & Torque Motor | by Electro & Co
RTR⢠Power Upgrade KitĀ
Mod & Touring Battery & Torque Motor | by Electro & Co For ETM RTR Only
Unlock Full Performance from Your ETM RTR
The official RTR⢠Power Upgrade lineup is hereābuilt to take your ETM RTR from fun to full send. Whether you're pushing for raw torque, max range, or just a smoother ride, this is your go-to upgrade path. These kits are made specifically for the ETM RTR chassis with premium Samsung cells, high-discharge ANT BMS, and plug-and-play install. No guesswork, just results.
Choose Your Battery Setup
- Mod Pack ā 72V (84V Max), 35Ah : 2.5kWh capacity, ~30lbs
- 250A Continuous / 400A Peak Discharge (ANT BMS)
- QS8 Discharge & XT90 Charge Port ā Replaceable
- Fast Charging SupportĀ Up to 35A
- Lightweight & punchyĀ ideal for aggressive builds
- Touring Pack ā 72V (84V Max), 45Ah : 3.2kWh capacity, ~40lbs
- Same high-discharge specs (250A/400A)
- QS8 Discharge & XT90 Charge Port ā Replaceable
- Fast Charging Support Up to 45A
- Max range battery for extended trail missions
Built exclusively for ETM RTR. Not compatible with: ETM V2, Mototec, Razor, Funbikes, EBOX, or other non-RTR frames.
RTR High Torque Mod Motor
Get serious low-end grunt without swapping your controller. The RTR Mod Motor is a plug-and-play torque monster designed to deliver smoother launches, better throttle response, and cooler operation ā all while keeping OEM fitment.
- Upgraded Rotor & Stator = More Magnetic Pull
- Handles 30°C higher temps than stock
- Thinner Laminations = Less Energy Loss
- Maintains full compatibility with RTR Controller
- No tuning required ā drops right in
Note: This upgrade does not increase peak kW but significantly improves torque-per-amp. Ideal for trail riding, track use, and wheelie-friendly setups.
Optional: Add the Mod Motor Tune Service to unlock full heat tolerance potentialĀ recommended for racers or aggressive riders.
Key Features
- Replaceable QS8 & XT90 Ports for easy serviceability
- ANT Smart BMS ā 250A Continuous / 400A Peak
- Samsung Cells ā Industry-grade reliability
- Fast Charge Support ā 35A (Mod) / 45A (Touring)
- Direct Drop-In for ETM RTR ā No mods required
Ā Charger Upgrade
EMXĀ® 12A Adjustable Charger ā Trusted across EMX and E&C builds, this universal 60Vā72V charger gives you full control over charge rate (1Aā12A).
- Adjustable Output ā Dial between 1Aā12A (10A continuous)
- Smart Charging ā Voltage taper, full auto shutoff
- Universal Compatibility ā Works with most 60ā72V e-bike packs
- Simple Operation ā Plug in, set dial, done
Ā
Ā Watch It In Action
Range tested by Tim from Shoot the Chit:
Whether you're building a torque-heavy mod machine or stacking range for long days in the saddle, this upgrade kit lets your RTR live up to the nameāReady to Rip.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
RTR⢠Power Upgrade KitĀ
Mod & Touring Battery & Torque Motor | by Electro & Co For ETM RTR Only
Unlock Full Performance from Your ETM RTR
The official RTR⢠Power Upgrade lineup is hereābuilt to take your ETM RTR from fun to full send. Whether you're pushing for raw torque, max range, or just a smoother ride, this is your go-to upgrade path. These kits are made specifically for the ETM RTR chassis with premium Samsung cells, high-discharge ANT BMS, and plug-and-play install. No guesswork, just results.
Choose Your Battery Setup
- Mod Pack ā 72V (84V Max), 35Ah : 2.5kWh capacity, ~30lbs
- 250A Continuous / 400A Peak Discharge (ANT BMS)
- QS8 Discharge & XT90 Charge Port ā Replaceable
- Fast Charging SupportĀ Up to 35A
- Lightweight & punchyĀ ideal for aggressive builds
- Touring Pack ā 72V (84V Max), 45Ah : 3.2kWh capacity, ~40lbs
- Same high-discharge specs (250A/400A)
- QS8 Discharge & XT90 Charge Port ā Replaceable
- Fast Charging Support Up to 45A
- Max range battery for extended trail missions
Built exclusively for ETM RTR. Not compatible with: ETM V2, Mototec, Razor, Funbikes, EBOX, or other non-RTR frames.
RTR High Torque Mod Motor
Get serious low-end grunt without swapping your controller. The RTR Mod Motor is a plug-and-play torque monster designed to deliver smoother launches, better throttle response, and cooler operation ā all while keeping OEM fitment.
- Upgraded Rotor & Stator = More Magnetic Pull
- Handles 30°C higher temps than stock
- Thinner Laminations = Less Energy Loss
- Maintains full compatibility with RTR Controller
- No tuning required ā drops right in
Note: This upgrade does not increase peak kW but significantly improves torque-per-amp. Ideal for trail riding, track use, and wheelie-friendly setups.
Optional: Add the Mod Motor Tune Service to unlock full heat tolerance potentialĀ recommended for racers or aggressive riders.
Key Features
- Replaceable QS8 & XT90 Ports for easy serviceability
- ANT Smart BMS ā 250A Continuous / 400A Peak
- Samsung Cells ā Industry-grade reliability
- Fast Charge Support ā 35A (Mod) / 45A (Touring)
- Direct Drop-In for ETM RTR ā No mods required
Ā Charger Upgrade
EMXĀ® 12A Adjustable Charger ā Trusted across EMX and E&C builds, this universal 60Vā72V charger gives you full control over charge rate (1Aā12A).
- Adjustable Output ā Dial between 1Aā12A (10A continuous)
- Smart Charging ā Voltage taper, full auto shutoff
- Universal Compatibility ā Works with most 60ā72V e-bike packs
- Simple Operation ā Plug in, set dial, done
Ā
Ā Watch It In Action
Range tested by Tim from Shoot the Chit:
Whether you're building a torque-heavy mod machine or stacking range for long days in the saddle, this upgrade kit lets your RTR live up to the nameāReady to Rip.






