iFlight Defender 25
At 180 g dry the Defender 25 is 234.82-250 g ready to fly on the 6 matching 4S packs listed below (525-560 mAh): the pack is 23-28% of all-up weight. iFlight publishes 249 g all-up with its own pack.
| Class | cinewhoop (sub-250) |
|---|---|
| Weight (no battery) | 180 g |
| Typical AUW | 249 g |
| Prop size | 2.5 " |
| Motors | iFlight Defender25 1404 |
| VTX system | DJI O3 (O4 variant available) |
| Manufacturer flight time | 6 (550mAh) / 10 (900mAh) min |
What battery does the Defender 25 use?
| Cells | 4S |
|---|---|
| Capacity | 550 mAh |
| Recommended range | 550 (sub-250) or 900 mAh |
| Connector | XT30 |
| Chemistry | LiPo |
Matching packs from our database
All-up weight is this quad's 180 g dry weight plus the pack's own weight.
| Battery | mAh | C | Weight | All-up weight | Price/Wh |
|---|---|---|---|---|---|
| GNB Gaoneng 550mAh 4S | 550 | 90C | 57.0 g | 237 g | $2.21 |
| RDQ RDQ Series 550mAh 4S | 550 | 90C | 56.0 g | 236 g | $2.52 |
| Lumenier XT-30 550mAh 4S | 550 | 80C | 59.0 g | 239 g | $3.01 |
| iFlight Defender 25 550mAh 4S | 550 | 60C | 70.0 g | 250 g | $3.32 |
| Dogcom 560mAh 4S | 560 | 150C | 58.0 g | 238 g | $2.65 |
| RDQ RDQ Series 525mAh 4S | 525 | 80C | 54.82 g | 234.82 g | $2.13 |
Defender 25 flight time
The Defender 25 flies ≈ 5.0-5.4 min on the 3 pack capacities listed above at our 5 A cruise-current estimate, with 80% of a pack used: 525 mAh ≈ 5.0 min, 550 mAh ≈ 5.3 min, 560 mAh ≈ 5.4 min. iFlight publishes 6 min on 550 mAh and 10 min on 900 mAh.
Where this data comes from
O3 version. Defender25 2525 props. AUW 249g with 550mAh pack. Source archived 2025-04-18: the manufacturer page for this revision was taken down when the model was superseded, so the citation points at the Internet Archive copy of https://shop.iflight.com/Defender-25-O3-4S-HD-Pro1923. The specs were verified against that page when written.