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Foxtech PG20 Dual Battery Swapping Board

SKU: 808292

Availability: In stock ( 10 )



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PG20 Dual Battery Swapping Board is a new power governer device for Nimbus VTOL V2. It increased at least 30% flight time of Nimbus VTOL and lowered the discharge rate requirement of the main battery.

CPU will monitor the voltage of two batteries in real time, if voltage suddenly drops below 10V, the battery is supposed to be disconnected and automatically switched to another set of batteries. And the switching time is less than 5ms so there is no spark or power down or interference.

By using this Dual Battery Swapping Board, we can use one smaller but high discharge rate battery for nimbus take off and land, use one big capacity but low discharge rate battery for cruising in fixed wing mode. So we can use at least 95% power of the main battery and still have a safe "multirotor" type landing. Since there are 2 batteries onboard, in case one goes wrong, the other one will replace it immediately. 

Note: If equip Nimbus VTOL with PG20,  Nimbus must use 5008 motor as tail motor to avoid excessive power consumption while landing.




Battery Interface: 2
Max Input Voltage: 25.2V
Minimum Voltage(Battery A): 10V
Minimum Voltage(Battery B): 10V
Working Temperature: 40°(25V/40A)
Max Working Temperature: 85°

Max Output Current: 80A
Max Output Power: 2000W
PWM Pulse Width Range: 800us~2200us
PWM Signal Amplitude: 3V~5V


1. Main battery and auxiliary battery switched by PWM signal, Pulse Width Range is 1000us~2000us.
2. When the Pulse Width during 1800us-2200us, switch to main battery.
3. When the Pulse Width during 800us-1200us, switch to auxiliary battery.
4. Switch from main to auxiliary battery: When the auxiliary battery voltage is within the normal range, it will be successfully switched to the auxiliary battery and the main battery will be disconnected.
5. Switch from auxiliary battery to main battery: When the voltage of the main battery is within the normal range, it will be switched to the main battery and the auxiliary battery will be disconnected.


Your Purchase Includes:

1x Foxtech PG20 Dual Battery Swapping Board

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