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Spektrum 15.2V 6000mAh 4S 120C Smart Pro Race Hardcase HV-LiPo Battery: T (Spektrum X64S120HT | SPMX64S120HT)

Model: Spektrum X64S120HT
Dist. #: SPMX64S120HT   SKU: SPMX64S120HT

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List Price:  $160.99
Price:  $149.99
You Save:  $11 (7%)

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Updated on Feb 16, 2026 04:48:24 AM

15.2V 6000mAh 4S 120C Smart Pro Race Hardcase HV-LiPo Battery: T...


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Podium-level Efficiency
Spektrum™ Smart Technology is proud to introduce our lineup of Smart LiPo batteries with specifically created LiPo High Voltage Chemistry developed to offer regularly higher voltage throughout the entire run of the battery under even the most severe amperage loads. The extremely high discharge ratings, brand-new unique Pro Series LiPoHV chemistry, and Smart's added advantages are game changers for the RC racing community. The Spektrum Smart Pro-Series LiPoHV batteries are class leading LiPo cells with extremely low Internal Resistance (IR), providing optimum speed and power to the motor and ESC that pro-level racers need while offering motorists the carefree advantages of Spektrum Smart Technology. Readily available in all popular sizes and setups for 1/10 and 1/8th scale racing models, motorists get high-grade LiPo efficiency with the added advantages of Smart, ensuring effective races with each pack cycle, lap after lap, and heat after heat.

Smart Pro-Series battery's advantages include longer battery life, much better efficiency over the life of the pack, and the assurance that comes from knowing your Smart battery is maintenance-free.

When a Smart Pro-Series LiPoHV battery is connected to a Spektrum Smart charger, its unique charging parameters and health details are uploaded to the charger from its incorporated memory microchip. You can see and set preferences through the charger, such as charge rates, so all that's needed to charge the pack is linking it to your Smart charger. Smart innovation looks after the rest.

Spektrum Smart Pro-Series surface area batteries keep a variety of essential details, consisting of:

Battery Brand name

Battery Type

Battery Capability

Battery C Rating

Private Cell Voltage

Battery Temperature level

Charge/Discharge Cycles

Spektrum Smart Pro-Series surface area batteries also maintain an error log, consisting of over-heat, over-discharge, and over-charge occurrences. This data can help ensure that the battery you've picked is suitable for the application.

Innovative Spektrum Smart Pro-Series surface area batteries are so simple to utilize that they nearly look after themselves. Smart innovation makes it simple to attain peak battery efficiency, reliability, and longevity!





Features

Easier and much safer to utilize

Shorter, more compact design assists promote a low center of mass

High Voltage Capable

Powerful and constant 120C Discharge Rate

High-performance 5C max Charge rate for super-fast charge times without damaging the health of the pack

Can be charged on any non-Smart charger with consisted of adapter

Automatic Charging on Spektrum Smart charger lowers time in the pits

High-capacity packs in Shorty style and basic sizes versus original/previous generation Spektrum Race batteries

Double-sided main connector for added user-friendliness featuring flush mount bullets

New and improved design - severe sturdiness case with improved balance/Smart port adapter





 




Smart Battery Technology

Smart Battery Technology
When connected to a Spektrum™ Smart charger, a Pro-Series Smart battery's unique parameters, health, and balancing details upload immediately from its memory microchip through the IC3® or IC5® connector's data wire. To charge and stabilize the pack, you merely connect it to your Smart charger. Safe charging begins immediately.
 

New Pro Series LiPoHV Chemistry

New Pro Series LiPoHV Chemistry
New Pro Series LiPoHV Chemistry offers a regularly higher typical discharge voltage over the whole discharge curve. Class-leading low internal resistance offers racers higher present per run (supplying optimum speed/power to the motor and ESC).
 




New Case Design

New Case Design
The brand-new case design is more compact for lower center of mass setups, and the double-sided bullet connector enables simpler battery placements.
 

Smart Auto Storage Discharge

Smart Auto Storage Discharge
Spektrum™ Smart Pro-Series batteries almost look after themselves. Pro-Series batteries come from the factory programmed to immediately release to a safe storage voltage of 3.90V after 72 hours of lack of exercise. The results are longer battery life, much better efficiency over the life of the pack, and assurance that your Smart battery comes maintenance-free. The user can change the battery's Auto Storage settings based on preferences.
 




Information Rich

Data Rich
An integrated microchip permits each Smart battery to save important details such as battery brand name, chemistry, cell count, capability, number of charging cycles, number of discharges, C ranking, battery temperature, and internal resistance. Furthermore, each battery will save a log of unhealthy events such as over-charge, over-discharge, and over-temperature. This permits you to make the most educated decision about each battery when getting your equipment ready for a flight.
 

Simple and Quick

Simple and Quick
Preset charge, discharge, and storage parameters are immediately communicated from your Spektrum™ Smart Pro-Series battery to your Smart charger, making charging as basic as plugging in the pack. The charge rate of individual batteries can also be user-customized, enabling you to take full advantage of packs with faster charge ratings. The battery's incorporated microchip keeps in mind the last charging rate you set, so these settings will immediately take effect the next time you plug it in.
 



Specifications

Application: Surface / Racing

Battery Balance Port: Pro Race Series 2-Pin Balance Port

Battery Type: HV-LiPo (3.8V per cell)

Battery Voltage: 15.2V

Capability: 6000mAh

Charge Security Circuitry: Yes

Port Type: 5mm Bullet

Difficult Case: Yes

Optimum Burst Discharge Rate: 120C

Optimum Charge Current: 32.5A

Maximum Charge Rate: 5C

Normal/Standard Charge Current: 1C

Normal/Standard Charge Rate: 6.5A

Number of Cells: 4

Item Height: 1.57" (40 mm)

Item Length: 5.47" (139 mm)

Item Weight: 17.63oz (500g)

Item Width: 1.85" (47 mm)

Technology : Smart

LIPO: Unable to ship this item to Alaska or Hawaii

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