Best Replacement Battery for Arrma Big Rock 6S

Your Arrma Big Rock 6S, like all high-performance RC vehicles, demands a battery that goes beyond the ordinary. In this article, we will recommend two market-leading lipo batteries, meticulously tailored for the 1/7 scale Big Rock 6S. These recommendations have been vetted for their performance in terms of fit, endurance, charge rates, and reliability.

Tips: Arrma Big Rock 6S battery tray size is 158 x 48 x 70mm, compatible with 2 3s lipo or 1 6s lipo battery EC5 connector.

Opting for a dual 3s lipo battery setup is advised not only for its versatility across different power systems (3s, 4s, 6s) in RC models but also for ensuring that a single faulty unit doesn’t bring other batteries to a halt, thereby guaranteeing operational flexibility and reliability.

OVONIC 80C 3S 5200mAh

OVONIC battery

Voltage: 11.1V
Capacity: 5200mAh
Discharge Rate: 80C
Connector: EC5 Connector
Dimensions: 138 x 46 x 31 mm (L x W x H)
Weight: 358g

First and foremost, the highlight of this battery is its high discharge rate of 80C. This translates to an instantaneous and robust power delivery, something that is absolutely crucial for a vehicle like the Big Rock 6S, which thrives on high-speed bursts and intense acceleration.

In terms of compatibility, the battery dimensions are a snug fit for the 1/7 scale Big Rock 6S, ensuring a secure installation in the designated battery tray. This is pivotal, as a battery that fits well mitigates the risks associated with vibrations or impacts that are all too common during a spirited bashing session. Moreover, the use of an EC5 connector guarantees a stable and efficient connection to the vehicle’s power system, essential for transferring high-output energy consistently.

Durability is another cornerstone of this battery’s design. The robust hard case provides a shield against the knocks and tumbles experienced during off-road racing and stunts. This protective feature not only enhances the battery’s lifespan but also provides peace of mind, allowing drivers to push their Big Rock 6S to its limits without the nagging worry of potential battery damage.

From a cost-effectiveness perspective, the OVONIC 80C 3S 5200mAh stands out. It’s engineered to deliver high-end performance without the premium price tag, aligning well with hobbyists who seek maximum value. For the Arrma series, known for their demanding power needs, this battery is a bespoke powerhouse, crafted to keep your Big Rock 6S tearing through terrains without the slightest hint of power deficiency.

Gens ace 50C 3S 5000mAh

Gens ace battery

Brand: Gens ace
Voltage: 11.1 Volts
Capacity: 5000mAh
Discharge Rate: 50C
Connector: EC5 Connector
Dimensions: 138 x 46 x 25 mm (L x W x H)
Weight: 270g

The Gens Ace brand has long been associated with quality and consistency, and this particular battery exemplifies these traits. With a reliable discharge rate of 50C, it delivers power in a controlled and stable manner, ensuring that the Big Rock 6S performs consistently throughout the run, with no signs of fatigue or power drop.

One of the remarkable highlights of this battery is its weight. At a mere 270 grams, it is significantly lighter than many counterparts, which is a boon for RC cars where every gram counts. A lighter battery can translate into a more nimble vehicle, capable of faster acceleration and more responsive handling, both of which are critical in the high-stakes world of RC racing.

Durability is not compromised for the sake of lightness, however. The robust build of the Gens Ace battery ensures longevity, capable of withstanding the rigorous demands of RC driving. The Big Rock 6S is known for its ruggedness and ability to handle tough terrains; it requires a battery that can keep pace with its sturdy build and relentless drive.

Based on my previous experiences with Gens Ace, their batteries maintain impressively low internal resistance over time. This means efficient power delivery and less heat generation during both the charging and discharging phases, which is crucial for maintaining the battery’s health and performance longevity.

In conclusion, when equipped with the Gens Ace 50C 3S 5000mAh battery, the Arrma Big Rock 6S’s abilities are not just maintained but enhanced. You get a lighter vehicle that’s quick on its feet, a power supply that’s reliable and consistent, and a build quality that endures. For any RC enthusiast who’s been burned by cheap, unreliable batteries in the past and is looking for an upgrade they can trust, the Gens Ace is a worthy investment that promises to elevate the Big Rock 6S experience.