FitMyRC

Compatible Batteries

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

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Turnigy 4000mAh for MN128 Jeep

Turnigy

Turnigy 4000mAh 2S 30C LiPo Battery

Capacity

4000mAh

Voltage

2S

C-Rating

30C

Connector

PH 2.0

Case Type

Unknown

Dimensions

143x50x15mm

Adapter needed: PH 2.0 to SM-3P
More details +

Battery Cell Type

LiPo

Wire Exit

Side

Series

ROAR Approved Series

Weight

245g

Source

Turnigy

Notes

The Turnigy 4000mAh 2S 30C LiPo battery is a 7. 4V option designed for RC vehicles and planes, valued for its affordability and reliable power.

View Battery View on Amazon

Verify connector and wire exit in photos.


Gens Ace 450mAh for MN128 Jeep

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 SM-3P 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 Truck

Notes: The MNRC MN128 is a 1/12 scale, 4WD Ready-to-Run (RTR) Jeep Wrangler-style RC rock crawler, perfect for hobbyists.

Battery Brands That Fit

Turnigy (1) Gens Ace (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

MN Model MN99s Defender D90 chassis

MN Model

MN99s Defender D90

Tray Length 70mm
Voltage 2SV Max
Plug SM-3P
View Car View Fit

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

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Connector Guide

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2S vs 3S Guide

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Battery Tray Guide

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