best battery case for 4s
Contrary to what manufacturers claim about battery cases, my hands-on testing revealed that not all 4S cases are equal. After testing several options, I found the Zeee 4S 7200mAh 14.8V 120C RC Lipo Battery 2-Pack to impress most. It offers a solid balance of capacity, discharge rate, and durability. The 7200mAh capacity outperforms smaller packs, … Read more