You can charge a MacBook Pro with Xtorm's "Fuel Series 5 (20000 mAh, 35 W, 74 Wh)", but it's important to consider a few points to avoid any risk of damage.

## Compatibility
- The Xtorm power bank has USB-C ports with 35W Power Delivery (PD) technology, which is compatible with MacBook Pros that use USB-C ports for charging.

## Safety
- Make sure you use a quality, compatible USB-C cable to avoid overheating or damage to electronic components. A damaged or inappropriate cable may present a safety risk.
- Ensure that the power bank and MacBook are used in a stable, well-ventilated environment to avoid overheating.

## Performance
- Although the power bank can charge your MacBook Pro, it won't charge as quickly as a dedicated mains adapter of 61W or more, because the power bank doesn't exceed 35W.

In short, you can charge your MacBook Pro with this power bank without any major risk of damage, as long as you use the right cables and follow the safety precautions. However, recharging will be slower than with a dedicated mains adapter.