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iFlight Fullsend 6S 4000mAh Li-Ion Battery

The iFlight Fullsend 6S 4000mAh Li-Ion Battery is a lithium-ion power pack for long-range quadcopters and extended flights. Built in a 6S1P arrangement, it provides 88.8Wh at 22.2V, uses an XT60H connector and weighs 430g. One battery is supplied.

iFlightDrone battery
Capacity
4000 mAh
Voltage
22.2 V
Discharge rate
17.5C
Weight
430 g
Size
43*63*74 mm

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Product overview

The iFlight Fullsend 6S 4000mAh Li-Ion Battery supplies power for long-range quadcopters and extended flights. Its lithium-ion pack uses a 6S1P cell arrangement, with 4000mAh capacity and 88.8Wh of energy at 22.2V. Fully charged, the battery reaches a maximum of 25.2V, or 4.2V per cell. The pack measures 43*63*74mm, weighs 430g and connects through an XT60H plug. One battery with the XT60H connector is supplied.

The updated version introduced on March 3, 2025 uses EVE INR21700-40PL cells and a 17.5C discharge rate; the earlier EVE INR21700-40P version has a 10C discharge rate. Both versions are shipped randomly. The updated cable arrangement includes an XT60H-F(AMASS) discharge plug with a 130(±8)mm lead and a JST-XH2.54-7P charging plug with a 45mm lead.

Batteries & charging

Specifications

SpecificationValue & conditions
ProductIFlight Fullsend 6S 4000mAh Li-Ion Battery
ApplicationPower supply for long-range quadcopters and extended flights
Capacity4000mAh
Voltage22.2V
Cell typeEVE INR21700-40PLUpdated version introduced in the March 3, 2025 changelog.
Earlier cell typeEVE INR21700-40PEarlier version; both versions are shipped randomly.
Battery energy88.8Wh
Cell combination6S1P
Size43*63*74mm
Weight430g
Discharge rate17.5CUpdated EVE INR21700-40PL version.
Earlier discharge rate10CEarlier EVE INR21700-40P version.
Battery typeLithium-ion
ConnectorXT60H
Discharge wire plug and lengthXT60H-F(AMASS)-130(±8）mmUpdated version following the March 3, 2025 cable-length change.
Charging cable plug and lengthJST-XH2.54-7P-45mmUpdated version following the March 3, 2025 cable-length change.
Maximum voltage25.2V (4.2V per cell)Fully charged.
Supplied equipment1 × FULLSEND 6S1P 4000mAh 22.2V Li-Ion Battery with XT60H connector
Version supplyEarlier and updated versions are shipped randomly.
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