There's nothing more frustrating than having to wait several seconds for a flashgun to power up. Carrying spare batteries is the most obvious solution, but if you use flash repeatedly it may be worth investing in a supplementary power pack. A few are listed below with quick links to where you can find more details and current prices. 

Batteries themselves are not all created equal so you may find my battery article useful:

"What is the best type of battery for digital cameras and flashguns?"

Previous In Focus: Battery Chargers

Nissin PS8 Power Pack

Faster flash charging times for photographers. Convenient and compact design.  USB charging socket which supports DC 5V output to provide maximum charging solutions for the photographer on the go.

Canon

Nikon

Sony

Nikon SD-800 Quick Recycling Battery Pack

Тhе ЅD-800 аddѕ а fіfth АА bаttеrу tо thе ЅВ-800 flаѕh ѕуѕtеm. Тhе flаѕhgun іѕ dеѕіgnеd tо ореrаtе uроn 6 vоltѕ оf роwеr, whісh іѕ thе оutрut оf 4 аlkаlіnе bаttеrіеѕ. NіМh bаttеrіеѕ, hоwеvеr, hаvе а lоwеr ѕресіfіеd vоltаgе whісh іdеаllу rеquіrеѕ 5 unіtѕ tо dеlіvеr іdеаl vоltаgе tо thе flаѕhgun.

Buying options -

Amazon

Wex Photo Video

Sony FA-EBA1 External Battery Adapter

For high-speed continuous shooting with a  0.6 seconds charge time. Magazine system allows fast battery replacement. 660 continuous flashes can be produced with fully charged batteries. 

Buying options:

Amazon

Wex Photo Video

Canon CP-E4N Compact Battery Pack for Speedlight

Holds 8 AA batteries to help your flash recharge even faster.

Amazon

Fujifilm EF-BP1 EF-X500 Battery Pack

Battery pack for the EF-X500 flash. Holds 8 batteries. Plugs directly into the flash to improve number of flashes before recharge.

Amazon

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Nikon SD-9 High Performance Battery Pack for AF Speedlight SB-900 and SB-910

The SD-9 is an external high performance battery pack. Shortens recycling time and increases flash capacity. Operates on four or eight AA Alkaline, Lithium or Ni-MH batteries

Amazon

Wex Photo Video

PHOLSY External Hot-Shoe Flash Battery Pack

Speedlite Battery Power Bank Compatible with Canon 600EX II-RT, 600EX-RT, 600EX, 580EXII, 580EX, 550EX. Replaces Canon CP-E4N, CP-E4 (12 AA Batteries)

Amazon

Godox PB960 Portable Extended Flash Power Battery Pack Kit (Lithium battery)

Dual Output for Nikon SB910, SB900, SB800, SB28 EURO, SB28DX, SB80DX,for AD600 AD360 II AD180

Converter available for use with mobile phone!

Amazon

There are many types of flash power packs.

To view a selection of what is available click here.

Where there are affiliate links on this page, I may receive a small commission if someone makes a purchase through them, but there is no extra cost to the buyer.

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