7.4V 5000mAh 2S 50C Smart Hardcase LiPo Battery: IC5
https://www.ludingtonhobbies.com/shop/spmx50002s50h5-7-4v-5000mah-2s-50c-smart-hardcase-lipo-battery-ic5-14211
https://www.ludingtonhobbies.com/web/image/product.template/14211/image_1920?unique=004365f
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Manufacturer's Part #: SPMX50002S50H5