Samsung INR18650 25R 2500mAh 35A Flat Top Li-ion Rechargeable Battery
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Samsung 25R 18650 INR 2500mAh 20A Flat Top Battery
Amazon.com: 2Pc 18650 Rechargeable Battery 3.7V for Samsung Original 25r 2500mAh Power Battery Inr18650-25R Electronic Battery for LED Flashlight Lights : Tools & Home Improvement