Best Battery for Kyosho JAVELIN 30618B

Whether you’re an RC racing veteran or just starting your journey in this exhilarating hobby, our guide aims to provide you with insights that will enable you to make the most out of your Kyosho JAVELIN 30618B.

1. Gens ace 2s Lipo: Best Performance Battery for JAVELIN 30618B

GENSACE battery

Brand: Gens ace
Battery Cell Composition: Lithium Polymer
Voltage: 7.4 Volts
Capacity: 4000mAh
Discharge Rate: 60C
Connector Type: T Plug
Weight: 213g
Dimensions: 137mm x 47mm x 21mm


The Gens ace battery really takes the performance of my Kyosho JAVELIN 30618B to the next level. Its high capacity of 4000mAh ensures a remarkably long runtime. I can play around with my RC car for much longer without worrying about the battery dying on me. That’s a huge plus!

Another thing that strikes me about this battery is the incredible discharge rate. 60C – that’s some serious power right there. My RC car just seems more responsive and quicker with this thing plugged in. So if you’re into high-performance RC driving, this battery is the real deal.


Okay, let’s talk about the elephant in the room – the price. Yeah, the Gens Ace battery isn’t exactly cheap. But you know what they say – you get what you pay for. In this case, it means top-tier quality and high performance.

Overall, it’s clear that the Gens Ace 2S 4000mAh Lipo battery is a top-notch choice for your Kyosho JAVELIN 30618B. It may be a bit pricey, but the performance it brings to the table more than compensates for these minor drawbacks. Definitely a worthy investment!

2. Gartpot 2S Lipo: Cheapest Battery for JAVELIN 30618B

Gartpot Battery

Battery Cell Composition: NiMH
Voltage: 7.4 Volts
Capacity: 4000mAh
Cycle Life: Long, up to 200Wh/kg energy density
Weight: 229.6g
Dimensions: 134.62mm x 44.96mm x 24.89mm

Let’s review the advantages and disadvantages of the GARTPOT 4000mAh 2S Lipo battery when paired with the Kyosho JAVELIN 30618B.


First off, the GARTPOT battery’s price point is amazing. It’s hard to find another battery offering this level of performance at such an affordable price. The cost-effectiveness here is certainly a big win!

The capacity of this battery is great. It’s 4000mAh, which means my Kyosho Javelin runs for a surprisingly long time. I mean, it’s always nice not to have to recharge in the middle of a good run, right?

I have to admit, I’m impressed by the fast charge capability of this battery. 1C-3C, though they recommend 1C. Either way, it’s a quick charge, so you’re back in the action before you know it.


Another point to note is that GARTPOT may not be as recognized as some other brands like Gens Ace. But you know what? Given their solid performance on Amazon sales, they’ve clearly been doing something right.

Overall, I think the GARTPOT 4000mAh 2S Lipo battery is a pretty good choice for your Kyosho JAVELIN 30618B. Its price-to-performance ratio is honestly hard to beat. So if you’re looking for an affordable, high-capacity, and fast-charging battery, you might want to give this one a shot.

3. Gaoneng 2s Lipo: Best Overall Battery for JAVELIN 30618B

Gaoneng battery

Brand: Gaoneng
Capacity: 4000mAh
Voltage: 7.6V
Configuration: 2S1P
Max Continuous Discharge: 70C
Max Burst Discharge: 140C
Weight: 174g (±8g)
Dimensions: 137mm x 44mm x 13mm


The first thing that stands out about the GaoNeng battery is its quality. This brand has a strong reputation in the drone industry, and it’s clear why. I have to say, the performance of this battery in my Kyosho Javelin has been nothing short of impressive.

One of the best features of this battery is its high discharge rate. It boasts a maximum continuous discharge of 70C and a burst rate of 140C. This translates to a consistent, robust power supply that makes my RC car perform exceptionally well.


As for the price, it’s a bit on the higher side compared to some other batteries. But given the quality and performance, I would say it’s worth the investment.

In summary, the GaoNeng GNB 2S 4000mAh LiPo battery is a great choice for your Kyosho JAVELIN 30618B. Its high capacity and discharge rates, combined with the reputable quality from GaoNeng, make it a worthy contender despite the slightly higher price point.

4. Ovonic 2S Lipo: Best Overall Battery for JAVELIN 30618B

Ovonic battery

Voltage: 7.4 Volts, 14.8 Volts
Capacity: 5200mAh
Cell: 4S
Discharge: 80C
Discharging plug: EC3 connector
Pack: Soft case
Weight: 240g (±5g)
Dimensions: 133mm x 42mm x 19mm


Starting with the big one – the value. The OVONIC battery delivers a lot of bang for your buck. It offers excellent quality at a more than reasonable price, which is fantastic for regular training and recreational use.

This battery’s capacity is impressive – 5200mAh. When I’m out there with my Kyosho Javelin, the last thing I want is to be running out of juice. With this battery, I get a lot more playtime before I need to recharge.

OVONIC’s quality certification and premium materials are clear benefits. The brand meets ISO international standards, uses premium lithium polymer, and offers a longer cycle life. It’s always great to know you’re investing in a product that’s designed to last.


One thing to note, although it is a pro for some, is that this battery comes from a Chinese brand. If you’re someone who prefers brands from a specific country, this might be a consideration for you. But honestly, given its performance, I wouldn’t count it as a true con.

In summary, the OVONIC 5200mAh 4S LiPo Battery is a fantastic value choice for your Kyosho JAVELIN 30618B. It provides a lot of capacity for extended playtime, and its quality certifications ensure that you’re getting a product that’s built to last. Despite its slightly heavier weight, its benefits truly outweigh any minor drawbacks.