MJX HYPER GO 43308 1/43 Rally RC Racing Car RTR for Kid
The MJX HYPER GO 43308 is a 1/43 scale micro drift car. It comes from the factory with a 3.7V 300mAh 1S Li-ion battery, a charging port located on the bottom of the chassis with a USB-C interface, and takes about 40 to 50 minutes to charge from empty to full.
1. Battery Specs and Installation
The 43308's battery is 300mAh at 3.7V, a 1S configuration. This capacity is normal for a 1/43 micro car, and actual runtime depends on driving style and surface. The battery compartment uses a clip-style design, so swapping the battery requires no tools — just open the clip to remove or install the battery. The body is held on magnetically, so you can remove it to quickly access the battery compartment, making everyday battery swaps convenient.
2. Charging Method and Precautions
The 43308's charging port is located on the bottom of the chassis and is a USB-C interface. This means you don't need to remove the battery from the car to charge it — just plug in a Type-C cable. However, note that the manufacturer recommends a 5V 1A USB power adapter, which is not included and must be provided separately.
Use a standard 5V slow charger rather than a high-power phone fast charger. Although USB-C has a protocol negotiation mechanism, protection circuits on micro car batteries are often fairly simple, so it's safer to use a standard 5V power source. If the battery gets noticeably hot during charging, disconnect it immediately.
3. FAQ
How long can the 43308's battery run?
The manufacturer does not state a definitive runtime, and actual use depends on surface, throttle habits, and battery condition. For a 1/43 drift car, a 300mAh pack typically supports ten to twenty minutes of intermittent driving. It's a good idea to keep a spare battery for rotation.
Can a swollen battery still be used?
No. Once a Li-ion battery swells, irreversible chemical changes have occurred inside, and continuing to use it carries a fire risk. Stop using it immediately and recycle it properly.
Can I replace it with another 1S battery?
As long as the voltage is 3.7V, the capacity is similar, and the dimensions fit the battery compartment, it can theoretically be replaced. But check whether the connector type matches and whether the battery has a built-in protection board. If unsure, buy a replacement battery with the original factory specs.
4. Conclusion
The battery system on the MJX HYPER GO 43308 is well suited to a micro car: a 3.7V 300mAh 1S battery paired with a clip-style quick-release compartment and USB-C direct charging on the bottom of the chassis, keeping the barrier to everyday use low. Remember to provide your own 5V 1A USB adapter when charging, avoid fast chargers, and don't leave it charging unattended for long periods. If you drive often, keeping a spare battery of the same spec for rotation is the easiest approach.