Question 1

Which is better, Viofo HK4 ACC Hardwire Kit or BlackVue Power Magic Ultra Battery?

Accepted Answer

Both products scored 8.8/10 in our testing — it's a tie. Choose based on which features matter most to you.

Question 2

Is the Viofo HK4 ACC Hardwire Kit worth it over the BlackVue Power Magic Ultra Battery?

Accepted Answer

The Viofo HK4 ACC Hardwire Kit scores 8.8/10 while the BlackVue Power Magic Ultra Battery scores 8.8/10. The Viofo HK4 ACC Hardwire Kit is our "Best Overall" pick in the Best Dashcam Hardwire Kits 2026 category.

Viofo HK4 ACC Hardwire Kit vs BlackVue Power Magic Ultra Battery: Which to Buy?