PB Systems
PowerBox Royal SR2


26 channels
High-performance battery backer with high continuous load capacity
Four P-BUS outputs with full telemetry support for servos
2.4" TFT screen, legible in sunlight
Bi-lingual menu system
Consistent duplication of all power electronics
Redundant electronic switch
Servo matching for all 26 outputs
Auto matching function
Two independent door sequencers with Setup Assistant

The latest integrated iGyro technology, using the iGyro SAT as gyro sensor
Twelve independent gyro outputs for: 4x aileron, 4x elevator, 4x rudder
Individual gain control for all twelve gyro outputs
Special regulatory algorithm for fixed-wing models
System detects all transmitter mixers
Four selectable output voltages: 6.0 V, 7.4 V, 7.8 V or unregulated
Two different voltage levels, separately adjustable for left and right side Graphic menu diagrams ensure ultra-simple programming
Fast basic setup procedure using the sophisticated Assistant
Optional GPS III for speed-dependent gyro compensation
Telemetry data for PowerBox PBUS, Futaba S.BUS2, Jeti Ex-BUS, Spektrum SRXL2, Multiplex M-Link, JR DMSS and Graupner HoTT
Transmission of battery, receiver and GPS data
Virtually all features can be controlled from PowerBox and Jeti transmitters
Selectable servo frame rate: 10ms, 12ms, 14ms, 16ms, 18ms
Servo feedback current suppression
Latest 32-bit micro-processor for precise, high-speed signal processing
High-performance machined heat-sink for optimised heat diffusion
Machined, anodised aluminium switch and screen case
Compact dimension

Technical Data
Operating voltage 4.0V - 9.0V
Power supply 2S LiPo, 2S LiIon, 2S LiFePo, 5S NiCd/NiMH
Current drain Power-on state 300mA (with TFT)
Current drain Standby 60A
Maximum load current Peak 4 x 20A
Drop-out voltage 0.3V
Output voltage 6.0V, 7.4V, 7.8V, unregulated
Signal input serial
Scope of delivery

PowerBox Royal SR2
2 three-core patch-leads, 180 mm
4 retaining screws
4 rubber grommets / brass spacer sleeves
4 brackets/covers
Operating instructions in German and English
Ref. n: PB4750