FitMyRC

Compatible Batteries

5 dimension matches based on tray size, connector compatibility, and voltage limits.

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Ovonic 4600mAh for JT4 EMO

Ovonic

Ovonic 4600mAh 2S 50C Shorty LiPo

Capacity

4600mAh

Voltage

2S

C-Rating

50C

Connector

Deans

Case Type

Hard case

Dimensions

95x46x25mm

Spacer required
More details +

Battery Cell Type

LiPo

Wire Exit

Top

Series

Shorty

Weight

210g

Source

Manufacturer specs

Notes

Shorty pack for buggies/drift

View Battery View on Amazon

Verify connector and wire exit in photos.


Gens Ace 6000mAh for JT4 EMO

Gens Ace

Gens Ace Redline 6000mAh 2S 130C LiPo

Capacity

6000mAh

Voltage

2S

C-Rating

130C

Connector

XT90

Case Type

Hard case

Dimensions

96x46x25mm

Adapter needed: XT90 to T-Plug Spacer required
More details +

Battery Cell Type

LiPo

Wire Exit

Top

Series

Redline Series

Weight

175g

Source

Gen Ace

Notes

The Gens Ace Redline 6000mAh 2S 130C LiPo battery is a high-performance 7. 6V HV hardcase pack designed for 1/10 and 1/8 scale RC racing.

View Battery View on Amazon

Verify connector and wire exit in photos.


Hoovo 5200mAh for JT4 EMO

Hoovo

Hoovo 5200mAh 2S 60C LiPo Battery

Capacity

5200mAh

Voltage

2S

C-Rating

60C

Connector

TRX

Case Type

Hard case

Dimensions

138x45x25mm

Adapter needed: TRX to T-Plug
More details +

Battery Cell Type

LiPo

Wire Exit

Side

Weight

320g

Source

Hoovo

Notes

The Hoovo 5200mAh 2S 60C LiPo battery is a high-capacity 7. 4V hard-case pack designed for RC cars, trucks, and boats.

View Battery View on Amazon

Verify connector and wire exit in photos.


Ovonic 5200mAh for JT4 EMO

Ovonic

Ovonic 5200mAh 2S 50C LiPo Battery

Capacity

5200mAh

Voltage

2S

C-Rating

50C

Connector

PH 2.0

Case Type

Hard case

Dimensions

137x46x24mm

Adapter needed: PH 2.0 to T-Plug
More details +

Battery Cell Type

LiPo

Wire Exit

Side

Weight

259g

Source

Ovonic Specs

Notes

The Ovonic 5200mAh 2S 50C LiPo battery is a high-performance, 7. 4V hardcase battery designed for 1/10 and 1/8 scale RC cars, trucks, and boats.

View Battery View on Amazon

Verify connector and wire exit in photos.


Gens Ace 450mAh for JT4 EMO

Gens Ace

Gens Ace 450mAh 2S 50C LiPo Battery

Capacity

450mAh

Voltage

2S

C-Rating

50C

Connector

JST

Case Type

Soft case

Dimensions

56x31x11mm

Adapter needed: JST to T-Plug Spacer required
More details +

Battery Cell Type

LiPo

Wire Exit

Side

Series

Standard Series

Weight

33g

Source

Gen Ace

Notes

The Gens Ace 450mAh 2S 50C LiPo battery (7. 4V) is a lightweight power source designed for small RC models like the Emax Babyhawk and 250-sized helicopters.

View Battery View on Amazon

Verify connector and wire exit in photos.

Chassis Details

Platform: Scale Crawler

Notes: The Cross RC JT4 EMO is a 1/10 scale 4WD rock crawler designed with 1950s-inspired styling and a front-engine layout, offering both aesthetic appeal and rugged performance.

Battery Brands That Fit

Ovonic (2) Gens Ace (2) Hoovo (1)

Understanding fitment results

Fitment methodology ↓

We compare tray dimensions against verified battery dimensions, applying a 2mm tolerance for cable management and straps.

Label Definitions

  • Spacer Required: The battery is notably shorter than the tray. A foam spacer or block helps prevent sliding.
  • Voltage mismatch: The battery’s max charged voltage exceeds the car’s rated limit. Running it risks ESC or motor damage.
  • Hard case required: Some tracks require hard cases for safety and compliance. Soft packs may fail tech inspection.
  • Low voltage alarm recommended: The car isn’t LiPo-ready, so add an LVC alarm to avoid over-discharge.
  • Adapter needed: The connector type differs. Use a quality adapter rated for the current draw.

We group compatible connectors (for example IC5/EC5 and Deans/T-Plug) to reduce false mismatches.

“Fits with mod” appears when only height fails and an expansion kit is available.

Wire-exit clearance varies by chassis. Always confirm lead orientation in photos.

Related Cars

See Also

Open the car page

Review chassis notes, specs, and selected compatible packs.

Browse more cars

Jump to similar chassis, trims, and other tray sizes.

Open setup guides

Read the measurement, safety, and connector primers before buying.

Measure your tray again

Useful if you suspect your trim or battery straps differ from the catalog.

Helpful Next Steps

Browse All Cars

Open another relevant FitMyRC resource for this chassis.

Connector Guide

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2S vs 3S Guide

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Battery Tray Guide

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