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$5.59 TrustFire IMR18350 3.7V 700mAh Rechargeable Li-ion Battery (2-Pack) 2-pack - unprotected / 10C discharge / button top at FastTech - Worldwide Free Shipping
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NKON | Enercig IMR18350 700mAh - 14A (20C) - 14500, 16340, 18350, 18490, 18500 size - Rechargeable batteries