7.4V 1500mAh 2S Li-ion RC Battery Pack (4-Pack) - USB Chargers

In this review of the 4-pack 7.4V 1500mAh 2S Li-ion battery set, the bottom line is simple: this kit is for hobbyists who need multiple ready-to-use replacement packs for 1/18 scale RC cars and trucks that use a Mini Tamiya plug. The reviewer found the main reason to buy is convenience - four matched 7.4V packs plus two USB charger cables mean less downtime on the track or in the yard, and the included stable circuitry suggests safer charging and discharge compared with generic cells.

Key Features

• Compatibility: Direct replacement for a range of 1/18 scale RC models using a Mini Tamiya plug, so users can swap packs without adapter hassles.
• Capacity and Voltage: Each pack is 7.4V nominal with 1500mAh capacity, offering a predictable balance of run time and weight for small RC cars and trucks.
• USB Charging Included: Two USB charger cables are included, enabling convenient recharges from laptop, wall adapter, or power bank when you are away from a dedicated charger.
• Safe Construction: Built with reliable Li-ion chemistry and stable circuitry to reduce the risk of failures during charge and discharge cycles.
• Value Bundle: The four-pack arrangement reduces the need to buy single packs repeatedly and comes with a 24-month warranty for added peace of mind.

Who It's For

This pack is well suited to hobbyists and casual racers who own 1/18 scale RC cars and trucks that accept 7.4V Mini Tamiya plug batteries and who appreciate having multiple spare packs on hand. The USB chargers make it particularly useful for families or field use where a full RC battery charger is not available.

Those who should look elsewhere include users who require very long run times per charge for extended competitive sessions or who need rapid high-current discharge for larger models; in those cases higher-capacity or high-discharge LiPo packs and a dedicated balance charger would be a better fit.

Pros & Cons

Pros

• Includes four identical 7.4V 1500mAh packs so swapping is simple and predictable.
• Two USB charger cables provide flexible recharging options without special chargers.
• Solid build with stable circuitry improves safety during normal charge and discharge cycles.
• 24-month warranty offers longer-term confidence in the purchase.

Cons

• Some users report mixed battery life, so run time can vary depending on driving style and model load.
• USB charging is convenient but not as fast or feature-rich as a dedicated RC charger for advanced battery care.

Specifications

Nominal voltage	7.4V
Configuration	2S1P (2 cells in series)
Capacity	1500mAh
Connector	Mini Tamiya plug
Chemistry	Li-ion
Package contents	4 battery packs, 2 USB charger cables
Warranty	24-Month Worry-Free Warranty

Our Verdict

The 4-pack 7.4V 1500mAh Li-ion set is a practical, value-oriented choice for 1/18 scale RC owners who want multiple matched spare packs and simple USB charging. It is a good fit for casual racers and backyard hobbyists who value convenience and safety, though competitive users seeking maximum runtime or fast charging should consider higher-capacity cells and a dedicated charger.

Frequently Asked Questions

Are these batteries compatible with my 1/18 RC car?
They are compatible with models that use a 7.4V Mini Tamiya plug, including listed replacements for several 1/18 scale DEERC models.

Can the included USB cables fully charge the packs?
Yes, the USB cables will charge the packs from any USB power source, but charging speed and battery care are less advanced than a dedicated RC charger.

Is the pack safe to use in regular RC driving?
Yes, the packs use Li-ion chemistry with stable circuitry designed for safe charging and discharge under normal use, and they come with a 24-month warranty.