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iFlight Defender 20 3S 900mAh Battery
BatteriesActive listing

iFlight

iFlight Defender 20 3S 900mAh Battery

Availability

1 vendor

Last seen 26 Mar 2026, 5:18 pm

Part number

Catalog only

Normalized against the v5 schema baseline.

Product specifications

Width Mm

31

Chemistry

li_po

Height Mm

24

Length Mm

94

Max Voltage

12.6

Capacity Mah

900

Cell Count S

3

Connector Type

proprietary

Nominal Voltage

11.1

Discharge Rating C

20

Compatibility & Build Notes

Build note 01

900mAh at 3S helps position this pack against your target flight time and aircraft size.

Build note 02

li po chemistry should match the charger profile and voltage assumptions for your build.

Build note 03

PROPRIETARY connector fit should be checked against the lead already on your frame or power system.

Build note 04

The 20C discharge rating is one input into whether the pack can support aggressive throttle bursts without sag.

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