he Spektrum™ 4000mAh 11.1V LiPo 30C Smart LiPo Battery is designed to be in the same size as a standard 2S pack. It allows drivers with 3S battery size limitations a great option for 3S power. Its unique size, shape, and 30C rating are custom-tailored for these vehicles. With Spektrum Smart LiPo batteries, you get incredible features. With Auto Charge, Spektrum Smart Chargers recognize Spektrum Smart battery charging parameters and begin safe, accurate charging automatically when connected. Additionally, when connected to a Smart charger, that Smart LiPo battery's unique parameters and health are uploaded from the Smart memory microchip integrated into the battery. Through the charger, you can view and set preferences, such as charge rates, so that all you have to do to charge the pack every time is press the charger "Start" button. Smart technology takes care of the rest.

Spektrum Smart LiPo Batteries Store Unique Data, Such As:

• Battery Brand
• Battery Type
• Battery Capacity
• Battery C Rating
• Individual Cell Voltage
• Battery Temperature
• Charge/Discharge Cycles

Spektrum Smart LiPo batteries also maintain an error log, including the number of overheating, over-discharging, and overcharging incidents, which can be helpful data in assuring that the battery you've chosen is correct for the application. A Smart Battery automatically uploads its charge parameters to a Spektrum Smart Charger, making charging simple. The charge rate of every Smart Battery is customizable, allowing you to take full advantage of packs with faster charge ratings.

Application: Surface

Battery Type: LiPo (3.7V per cell)

Battery Voltage: 11.1V

Capacity: 4000mAh

Connector Type:IC5

Hard Case: Yes

Maximum Charge Rate: 3C

Maximum Continuous Discharge Rate: 30C

Number of Cells: 3

Product Height: 0.98" (25 mm)

Product Length: 5.4" (137 mm)

Product Weight: 305g

Product Width: 1.83" (46 mm)

NOTE: Due to certain restrictions pertaining to the shipment of LiPo batteries, this item will only ship USPS PARCEL SELECT or UPS GROUND.*

*If you select a different shipping option, it will be converted to one of the above for shipment. If you have additional items on the order, they will also be converted to PARCEL SELECT or UPS Ground. USPS Parcel Select is ground transport only, 6-10 day transit time within the contiguous United States.