The Intelligent Flight Battery Plus raises the DJI Mini 4 Pro's rated flight time from 34 to 45 minutes, but it is not under 250 g. The Plus battery weighs about 121 g versus about 77.9 g for the standard one, so the drone ends up around 290 g. In the US that means recreational pilots must register it with the FAA, and the drone's built-in Remote ID switches on automatically with the Plus battery.
Standard vs Plus at a glance
| Standard battery | Battery Plus | |
|---|---|---|
| Capacity | 2590 mAh, 18.96 Wh | 3850 mAh, 28.4 Wh |
| Weight | about 77.9 g | about 121 g |
| Max flight time | 34 min | 45 min |
| Max hover time | 30 min | 39 min |
| Charge time in drone (30 W) | about 70 min | about 101 min |
| Charge time in hub (30 W) | about 58 min | about 78 min |
| Max takeoff altitude | 4,000 m | 3,000 m |
The Plus is the Mini 3 series Battery Plus (model BWX162-3850-7.38). It fits the Mini 4 Pro, Mini 3 and Mini 3 Pro, and charges in the same Two-Way Charging Hub. DJI doesn't sell it in Europe.
What changes with the Plus battery
- Registration. Over 250 g, recreational flyers must register the drone at FAADroneZone ($5, valid 3 years) and mark the number on it. See FAA registration.
- Remote ID. DJI's manual says the Mini 4 Pro's Remote ID system only activates with the Battery Plus. It then broadcasts from takeoff to shutdown, and needs your phone (with RC-N2) to supply your location. See Mini 4 Pro Remote ID.
- No propeller guard. DJI says not to combine the Plus battery with the propeller guard or other payloads.
- Lower ceiling. Max takeoff altitude drops from 4,000 m to 3,000 m (9,843 ft) above sea level.
- Travel. Many countries have lighter rules for sub-250 g drones. With the Plus battery you may lose that. Check before you go.
Is it worth it?
Yes, if:
- You fly under Part 107. Your drone must be registered at any weight anyway, and the Plus battery's longer flights are pure gain.
- You're already registered and want fewer battery swaps for long shoots, mapping practice or real estate.
Probably not, if:
- You fly for fun and chose the Mini 4 Pro to skip registration.
- You travel abroad often to countries with sub-250 g exemptions.
- You fly with propeller guards.
A practical option: keep standard batteries for travel and casual flying, and add a pair of Plus batteries for local, registered flights. Once the drone is registered, flying it with the standard battery is fine too.
"Extra battery" or "extended battery"?
People use "extra battery" for a spare standard battery and "extended" or "plus" for the Battery Plus. If you just want more total flying without the weight change, buy spare standard batteries instead. Three standard batteries give about 100 rated minutes per outing.
Buying it in the US
DJI lists the Battery Plus and a Fly More Combo Plus (three Plus batteries) for the US market, but stock has been limited. Contact us to check availability. For everything else battery-related, read Mini 4 Pro batteries and chargers, or shop the DJI Mini 4 Pro.
Rules current as of October 2026. This is general information, not legal advice.
Related guides
- DJI Mini 5 Pro Battery Plus: is it worth it, and is it still under 250 g?
- DJI Mini 3 Battery Plus: is it worth it, and is it still under 250 g?
- Best DJI Mini 4 Pro accessories and upgrades worth buying
- DJI Mini 4 Pro battery life: real flight time and charging time
- DJI Mini 4 Pro Fly More Combo vs Combo Plus: which bundle to buy
- DJI Mini 5 Pro alternatives worth considering
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