I came across this charger while looking for additional batteries. It was more than I was hoping to spend apart from two Spark batteries and a charger (which has its own 4200mah battery and charges Spark batteries from that battery) for all DJI gear. I put it in my shopping cart and stared at it for a few days, but finally pulled the trigger. As you can see from the 5 stars, I'm glad I chose it. Not only does this thing charge the batteries, it also turns the drone off when you put it on a charger, and perhaps the biggest advertised benefit is how securely it holds the drone during transport. I tested it out in the mountains last week and never felt like "I wish I could take the Spark out but I'm so low on battery". I usually judge the quality of a product by how well I remember how much I paid for it. I had to go back and see the price before writing a review. I guarantee if it sucks I'll never forget how much I paid, but this thing with batteries is worth the $150 it cost me.
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