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• The positive and negative wires (red and black wires attached to the XT90 battery connector) should be on the right side when inserting into the battery tray.

• Additionally, the battery strap should be:

  • Looped around the left standoff of the entrance to the battery tray. The velcro side should be facing outwards.

  • Pulled from left to the right, threaded between the positive and negative wires.

  • Around the right side of the battery, in between the battery and the standoff.

  • Run back through the battery wires, pulled tight, and pressed firmly against the soft side of the velcro to secure the battery in the tray.

  • Wedge the remaining connector in between the battery and the strap.

  • Ensure that the loop around the left standoff is positioned to rest in the center of the standoff, so that the strap stays in place for the duration of the flight. The strap should go evenly across and be firmly pressed against the battery.

For a video demonstration of this process, please watch the video below:

Battery Insertion Walkthrough for the Ranger Pro

How to properly use hotswap :

Hotswapping a battery allows you to swap batteries in your drone while the drone is still powered on. This allows you to extend flight time without having to power down the drone. This also allows you to continue your mission from the previowus waypoint without powering down the drone.

To hotswap a battery in, follow these steps:

• Ensure that your drone is equipped with the WISPR hotswap cable.

• Fly the drone until the battery's charge level is low enough that it needs to be replaced and a low battery RTL is iniated.

• Ensure that the RLT is landing where it was launched and is a suitable landing spot that is flat and free of any obstacles. The drone will need to land here in order to have its battery changed.

  • The drone should RTL (Return To Launch) where it was engaged at.

• Let the drone RTL, making sure that the drone is stable and not drifting.

• Once landed, on the right of the smart controller screen you will have three options : Keep mission, Resume from waypoint X and delete mission. You will select Resume from waypoint X to resume from the last waypoint you reached in the mission.

• Plug the new, freshly charged battery into the free XT90 cable and remove the old battery from the drone by unplugging it (only after the fully charged battery is plugged in). Next, slid the new battery into the battery tray after the depleted battery has been removed and unplugged and make sure that the new battery is securely attached and properly secured in the battery tray.

• Once the new battery is installed, you will see the percentage at the top fly view bar raise to the new percentage of the new fully charged battery.

• Once the drone’s new battery is in use and the percentage is reading correctly you may rearm and takeoff to continue with your mission.

It's important to note that to use only batteries from WISPR, as this can help reduce the risk of accidents or malfunctions. Be sure to follow all safety guidelines and precautions when hotswapping a battery in a drone.

Battery Insertion Walkthrough for the Ranger Pro