Best Rechargeable AA NiMH Batteries For Your Flash (Don't Buy Eneloops...) - Light And Matter
Canon's new flagship EL-1 Speedlite flash comes with updated interface and new creative options: Digital Photography Review
BEST BATTERIES FOR YOUR SPEEDLIGHTS: A SHOWDOWN - Improve Photography
Godox V860II-C E-TTL 1/8000S HSS Master Slave GN60 Speedlite Flash Built-in 2.4G Wireless X System with 2000mAh Rechargeable Li-ion Battery for Canon 1DX/5D Mark III/5D Mark II/6D/7D/60D/50D - Walmart.com
Yongnuo YN685 Speedlite Wireless Flash Kit for Canon Cameras
Canon Speedlite 430EX III-RT Flash
Amazon.com : Canon Speedlite 600EX II-RT Flash with Canon Speedlite Case + Canon Shoulder Bag + Universal Timer Remote + 4 High Capacity AA Rechargeable Batteries & Charger + Accessory Bundle : Electronics