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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Corona SB-9039 Servo - 2.7kg (37.49oz in), 0.13 secA parkflyer sized, SBUS and PWM capable servo. Corona presents the SB 9039. This servo can use both PWM and S Bus signals and features a metal gear train. The S bus servo channel can be programmed using the Corona CSBP 1 SBUS Servo Programming card. SERVO TYPE Digital GEAR TYPE Metal STALL TORQUE 2. 5Kg. cm (34. 72 oz in)@4. 8v 2. 7kg (37. 49 oz in)@6v SPEED 0. 14 60@4. 8V 0. 13 60@6. 0V DIMENSIONS 22. 5 x 11. 5 x 24. 5mm WEIGHT 12. 5g WIRE PLUG
A parkflyer sized, SBUS and PWM capable servo.
Corona presents the SB-9039. This servo can use both PWM and S-Bus signals and features a metal gear train.
The S-bus servo channel can be programmed using the Corona CSBP-1 SBUS Servo Programming card.
| SERVO TYPE | Digital |
|---|---|
| GEAR TYPE | Metal |
| STALL TORQUE | 2.5Kg.cm (34.72 oz-in)@4.8v | 2.7kg (37.49 oz-in)@6v |
| SPEED | 0.14/60°@4.8V | 0.13/60°@6.0V |
| DIMENSIONS | 22.5 x 11.5 x 24.5mm |
| WEIGHT | 12.5g |
| WIRE / PLUG LENGTH | 215mm |
| OPERATING TEMPERATURE | -20/+60°C |
| OPERATING VOLTAGE | 4.8 | 6v |
| POSITION SENSOR | 5 wiper / Indirect Drive |
| BEARINGS | MR85 |
| DEAD BAND | ≤3uSec |
| SERVO TRAVEL | 40°/one side pulse travelling |
| OPERATING CURRENT | 200 | 240mA |
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4.6 ★★★★★
Based on 1923 reviews
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Product Reviews
★★★★★ 3
Would be better with longer cable and without the LED light.
I like that the install is very easy, non-permanent, and can be very quickly removed if needed. It fast charges and the magnets are strong (the reviews that say it doesn’t hold probably aren’t using a MagSafe case).
That said I have two annoying issues:
1) There is a light that comes on when the car is turned on. If you don’t put your phone on the charger it will say on for a minute or two and then eventually turn off.
2) The included USB-C cable is too short. It only just barely reaches the outlet in the front bottom center console. It would be better if they had included a 6ft with a 90-deg connector to draw power from the back seat ports.
3) It doesn’t not include a charger.
In all, the mount and charger are fine, but be prepared to spend an extra $20 on a longer cable and charger to make it all work.
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Reviewed in the United States on November 4, 2025
★★★★★ 5
Great Mag case phone holder
Works great holding my phone in front of me while I drive.
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Reviewed in the United States on April 3, 2026
★★★★★ 2
Phone holder, not charger.
Nice plastic phone holder, works a lot better if you don’t have a phone case, it fits almost flushed. It doesn’t use “stickiness” to hold its self, just pressure from bottom phone, it holds nicely but has a little gap on the sides, it too much pressure is applied then Tesla screen starts showing pressure. The wire is small but reaches the under panel how ever, it does not fit flushed, will need to do some tinkering. I slide the wire under the charger where the phones go. Now the door can’t close but it can pass through. That charger is not fast but it works.
Edit: nah, don’t get it. The charger doesn’t charge, it will charge them stop. It works like a phone holder…
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Works Very Good!!!
I been using this Tesla Car Mount Charger for a while and its very easy to used, it has good size, and, good quality. In general im satisfied!
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Reviewed in the United States on January 21, 2026
★★★★★ 1
Doesn't fit 2015 C300 4matic mercedes
Color: Textured
It doesn't fit 2015 C300 4matic mercedes
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Reviewed in the United States on May 30, 2026