If you are going to use a non-universal (110-240v / 50-60hz), your safest option is to use a step-up or step-down transformer. The small adapters as you showed are good for low amp power adapters, for example cell phones.

As long as you don't want to use a hair dryer, then a small transformer is great. However all laptop chargers are universal.

If you are going to use a non-universal (Universal being 110-240 V and 50-60 Hz), your safest option is to use a step-up or step-down transformer. The small adapters as you showed are good for low amp power adapters, for example cell phones.

As long as you don't want to use a hair dryer, then a small transformer is great. However all laptop chargers are universal.

If you are going to use a non-universal (110-240v / 50-60hz), your safest obtion is to use a step-up or step-down transformer. the small adaptors as you showed are good for low amp power adaptors for example cell phones.

as long as you don't want to use a hair dryer, then a small transformer is great. however all laptop charger's are universal.

If you are going to use a non-universal (110-240v / 50-60hz), your safest option is to use a step-up or step-down transformer. The small adapters as you showed are good for low amp power adapters, for example cell phones.

As long as you don't want to use a hair dryer, then a small transformer is great. However all laptop chargers are universal.