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Spektrum 7.6V 4100mAh 2S 120C Smart Pro Race Shorty Hardcase LiHV Battery (Spektrum X412S120HT | SPMX412S120HT)

Model: Spektrum X412S120HT
Dist. #: SPMX412S120HT   SKU: SPMX412S120HT

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Out of stock

Price:  $74.99

LIPO: Unable to ship this item to Alaska or Hawaii

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Updated on Feb 7, 2026 01:42:40 PM

7.6V 4100mAh 2S 120C Smart Pro Race Shorty Hardcase LiHV Battery...


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Podium-level Performance
Spektrum™ Smart Innovation is proud to present our lineup of Smart LiPo batteries with specially formulated LiPo High Voltage Chemistry developed to provide consistently higher voltage throughout the entire run of the battery under even the most severe amperage loads. The incredibly high release ratings, brand-new special Pro Series LiHV Battery chemistry, and Smart's added advantages are game changers for the RC racing neighborhood. The Spektrum Smart Pro-Series LiHV Batteries are class leading LiPo cells with incredibly low Internal Resistance (IR), offering optimum speed and power to the motor and ESC that pro-level racers demand while providing chauffeurs the carefree advantages of Spektrum Smart Innovation. Available in all popular sizes and setups for 1/10 and 1/8th scale racing designs, chauffeurs get top-of-the-line LiPo performance 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 performance over the life of the pack, and the peace of mind that originates from knowing your Smart battery is maintenance-free.

When a Smart Pro-Series LiHV Battery is connected to a Spektrum Smart battery charger, its special charging criteria and health details are submitted to the battery charger from its integrated memory microchip. You can view and set preferences through the battery charger, such as charge rates, so all that's required to charge the pack is linking it to your Smart battery charger. Smart innovation looks after the rest.

Spektrum Smart Pro-Series surface area batteries keep a wide array of vital details, consisting of:

Battery Brand

Battery Type

Battery Capacity

Battery C Rating

Private Cell Voltage

Battery Temperature

Charge/Discharge Cycles

Spektrum Smart Pro-Series surface area batteries likewise keep an error log, consisting of over-heat, over-discharge, and over-charge events. This information can assist guarantee that the battery you've chosen is suitable for the application.

Innovative Spektrum Smart Pro-Series surface area batteries are so easy to utilize that they almost take care of themselves. Smart innovation makes it easy to attain peak battery performance, reliability, and durability!





Features

Easier and more secure to utilize

Much shorter, more compact style assists promote a low center of gravity

High Voltage Capable

Effective and consistent 120C Discharge Rate

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

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

Automatic Charging on Spektrum Smart battery charger decreases time in the pits

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

Double-sided main adapter for added user-friendliness including flush install bullets

New and improved style - severe toughness case with enhanced balance/Smart port connector





 




Smart Battery Innovation

Smart Battery Innovation
When connected to a Spektrum™ Smart battery charger, a Pro-Series Smart battery's special criteria, health, and balancing details upload automatically from its memory microchip through the IC3® or IC5® adapter's information wire. To charge and stabilize the pack, you simply connect it to your Smart battery charger. Safe charging starts automatically.
 

New Pro Series LiHV Chemistry

New Pro Series LiHV Chemistry
New Pro Series LiHV Battery Chemistry provides a regularly higher typical release voltage over the whole release curve. Class-leading low internal resistance offers racers higher existing per run (providing optimum speed/power to the motor and ESC).
 




New Case Design

New Case Design
The brand-new case style is more compact for lower center of gravity setups, and the double-sided bullet adapter permits easier battery positionings.
 

Smart Auto Storage Discharge

Smart Auto Storage Discharge
Spektrum™ Smart Pro-Series batteries practically take care of themselves. Pro-Series batteries come from the factory set to automatically release to a safe storage voltage of 3.90V after 72 hours of lack of exercise. The outcomes are longer battery life, much better performance over the life of the pack, and peace of mind that your Smart battery comes maintenance-free. The user can change the battery's Auto Storage settings based on preferences.
 




Data Rich

Data Rich
An incorporated microchip permits each Smart battery to conserve crucial details such as battery brand name, chemistry, cell count, capacity, number of charging cycles, number of discharges, C ranking, battery temperature level, and internal resistance. Furthermore, each battery will conserve a log of unhealthy occasions such as over-charge, over-discharge, and over-temperature. This permits you to make the most educated choice about each battery when getting your gear ready for a flight.
 

Simple and Quick

Simple and Quick
Predetermined charge, release, and storage criteria are automatically communicated from your Spektrum™ Smart Pro-Series battery to your Smart battery charger, making charging as basic as plugging in the pack. The charge rate of individual batteries can likewise be user-customized, allowing you to maximize packs with faster charge ratings. The battery's incorporated microchip remembers the last charging rate you set, so these settings will automatically take effect the next time you plug it in.
 



Specifications

Application: Surface Area / Racing

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

Battery Type: LiHV (3.8V per cell)

Battery Voltage: 7.6V

Capacity: 4100mAh

Charge Security Circuitry: Yes

Port Type: 5mm Bullet

Difficult Case: Yes

Maximum Charge Current: 20.5A

Maximum Charge Rate: 5C

Maximum Continuous Discharge Current: 120C

Maximum Continuous Discharge Rate: 492A

Normal/Standard Charge Current: 1C

Normal/Standard Charge Rate: 4.1A

Variety of Cells: 2

Product Height: 0.76" (19 mm)

Product Length: 3.66" (93 mm)

Product Weight: 5.46 oz (155 g)

Product Width: 1.85" (47 mm)

Programmable: Yes

Software Updates: Yes

Innovation : Smart

Watt Hours: 31.16Wh

LIPO: Unable to ship this item to Alaska or Hawaii

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