PROTEK RC PTK-5149-26 2S 60C LOW IR 1/28 HARD CASE LIPO (7.6V/440MAH) W/2MM BULLETS

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1/28 Low IR Performance Race LiPo Battery

Give your 1/28-scale car the power and consistency it needs to stay competitive with the ProTek RC 2S 60C Low IR Hard Case LiPo Battery. Engineered specifically for high-performance micro racing, this battery delivers reliable voltage and efficient power output throughout the entire run. Its compact size makes it a perfect fit for tight chassis layouts, while the durable hard case adds an extra layer of protection.

About the Battery

Consistent High-Performance Output
Designed with a 60C discharge rating and low internal resistance, this battery provides smooth and consistent power delivery from start to finish. The reduced voltage drop under load helps maintain speed and responsiveness, giving drivers the confidence to push harder on the track.

Durable Hard Case Protection
The integrated hard case construction protects the internal cells from impacts and wear, making it ideal for the rigors of competitive racing. This added durability helps extend battery life while ensuring reliable performance in demanding conditions.

Compact Fit for 1/28 Platforms
Specifically sized for modern 1/28-scale chassis, this battery fits many racing platforms without modification. Its lightweight, compact design helps maintain proper weight distribution for improved handling and balance.

Features

  • 2S LiPo configuration
  • 60C discharge rating
  • Low internal resistance design
  • Hard case construction
  • Consistent voltage output
  • Compact 1/28-scale size
  • Lightweight design
  • High-performance cell chemistry
  • Ideal for on-road racing

Important Lithium Polymer Safety Information

  • DO NOT leave a battery in your model while charging.
  • DO NOT leave lithium batteries unattended while charging.
  • ALWAYS balance charge lithium batteries.
  • ALWAYS use a LiPo safe charging bag or charging box.
  • ONLY use a LiPo-compatible charger. NiMH and NiCd chargers are not compatible.
  • DO NOT over-discharge lithium battery packs.
  • READ and understand all instructions before operating this battery.

Battery Care Notes

  • Do not over-charge or over-discharge the battery, as this can cause overheating and permanent damage.
  • To maximize cycle life, avoid discharging more than 80% of the battery's rated capacity.
  • Fully charge the battery before its first use.
  • For the first five charge cycles, it is recommended to discharge only about 50% of the battery capacity.
  • Set your ESC low-voltage cutoff to no lower than 3.2V per cell.
  • Do not continue using a battery that has dropped below a safe voltage.
  • Do not expose the battery to direct sunlight or temperatures above 35°C (95°F), including inside a parked vehicle.
  • If the battery becomes hot after charging or use, allow it to cool completely (approximately 20 minutes) before recharging, and inspect it for damage.

Includes

  • (1) 2S 60C Low IR Hard Case LiPo Battery (7.6V / 440mAh)
  • (3) 2mm Bullet Connectors

Specifications

  • Nominal Voltage: 7.6V (2S)
  • Capacity: 440mAh
  • Maximum Charge Rate: 1.5C
  • Peak Discharge: 60C
  • Cell Configuration: 2S1P
  • Energy: 3.34Wh
  • ROAR Approved: No
  • Battery Connector: 2mm Bullets
  • Balance Connector: 2mm Bullet
  • Dimensions (L × W × H): 1.69 × 0.91 × 0.47 in (43 × 23 × 12 mm)
  • Weight: 0.78 oz (22 g)

Note: This battery does not fit the stock Team Associated RC28R chassis without modifications or upgrades (NX-580 & NX-581).

 

 

This product was added on 07/01/2026 by JM.

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