The Booster is a singular piece that increases the performance of the 4th generation Retra Flash models (Pro Max, Prime +, Pure) by giving space for 8x rechargeable AA batteries.
The Booster doubles battery life and reduces the recycle time by more than 50%. Once mounted it is very secure so you can hold on to it while adjusting the strobe underwater.
The Booster is shipping now!
Orders are currently dispatched in 2-5 working days.
- New lightweight singular piece design
- 50% weight reduction compared to previous versions of the Supercharger
- Super easy exchange of the battery compartment lid
Original Retra Flash
Retra Flash Prime/Prime X & Pro/Pro X
Retra Flash Pro Max, Pure, Prime +
The Booster includes 2,5 years of Retra Warranty when purchased together with the Retra Flash.
Read more about our Retra Warranty here.
This item contains
- 1x Booster
- 1x Carry pouch
- +6 months Retra Warranty
If your shipping address is inside the EU tax zone, VAT is added automatically in the checkout procedure. Import duties and customs fees are not included in our price.
Increase in Battery Life
The Booster increases the battery life of the Retra Flash by 100%, enabling longer underwater photography sessions.
Shorter Recycle Time
The Booster decreases the recycle time of the Retra Flash by half, enabling fast action shooting.
Number of Flashes at 50 % Power with Booster
Number Flashes at 100 % Power with Booster
Stand-by time with Booster
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