In this guide, we’ll walk you through our top battery recommendations to elevate the performance of your Losi Lasernut U4 to unprecedented levels.
In the following sections, we will delve into the top battery choices that meet these criteria and more, ensuring you get the most out of your Losi Lasernut U4 Rock Racer. Let’s get started.
1. Gens Ace 4S 5000mAh 50C
Brand: Gens ace
Voltage: 14.8 Volts
Capacity: 5000mAh
Discharge Rate: 50C
Connector: EC5 Connector
Size: 139 x 46 x 49 mm (5.47 x 1.81 x 1.9 inches)
Weight: 530 grams (18.7 ounces)
The 14.8-volt power capacity of this battery brings the Losi Lasernut U4 to life, pushing it to maximum speeds exceeding 65 miles per hour. This level of performance truly helps to leverage the rock racer’s advanced Spektrum Firma 4-Pole 1900kv 550 motors.
The 5000mAh capacity ensures substantial run times, providing prolonged sessions of unrelenting power on the most challenging terrains. In combination with the rock racer’s Full Independent Suspension, you can be sure to keep the vehicle running longer and harder, tackling even the most challenging landscapes with ease.
The 50C discharge rate adds to the relentless force of this battery, giving your Losi Lasernut U4 the punch it needs to conquer obstacles and steep inclines, truly embodying the spirit of a rock racer.
What impresses me most is the battery’s low IR (Internal Resistance), ensuring it stays efficient and runs cooler even under the demanding conditions of a rock race. This durability complements the rock-solid build of the Losi Lasernut U4, making it a battery you can rely on.
2. HRB 4S 5000mAh 50C
Brand: HRB
Voltage: 14.8 Volts
Capacity: 5000mAh
Discharge Rate: 50C
Connector: EC5
Size: 155 x 48 x 32 mm (6.1 x 1.89 x 1.26 inches)
Weight: 492 grams
The 5000mAh capacity of this battery assures a notable runtime. I found that it allowed me to enjoy approximately 20 minutes of mixed driving, which is quite respectable for a rock racer.
The 50C discharge rate provides the necessary punch to give the Lasernut U4 the power it needs to conquer diverse terrains. The compatibility with the vehicle’s Full Independent Suspension allows it to perform at its best without compromising on run time.
The icing on the cake is the quality customer service offered by HRB. Any issues or queries I had were quickly resolved, making the whole experience of using the battery even better.
3. HOOVO 4S 5500mAh 120C
Brand: HOOVO
Voltage: 14.8 Volts
Capacity: 5500mAh
Discharge Rate: 120C
Connector: EC5 Plug
Size: 138 x 47 x 48.5 mm (5.43 x 1.85 x 1.91 inches)
Weight: 490 grams (17.28 ounces)
One of the most striking features of this battery is its massive 5500mAh capacity. This has contributed to a significant increase in my Lasernut U4’s runtime, which has allowed me to extend my racing sessions.
But what truly sets this battery apart is its astounding 120C discharge rate. This delivers an intense punch of power to the Lasernut U4, catapulting it over challenging terrains and obstacles with the kind of performance you’d expect from a higher-end battery. This blends perfectly with the U4’s Full Independent Suspension, enabling it to power through obstacles while maintaining its stability and control.
The HOOVO 4S 5500mAh battery also maintains a well-balanced voltage. This ensures that the Lasernut U4 receives a consistent flow of power, which, in turn, allows for stable, predictable performance.
Lastly, the battery’s durability has truly impressed me. Even after 50-60 charges and intense sessions on the track, it still performs as well as new.