Tenpower 50XG 21700 3.6v 5000mah High Power Battery Rechargeable High Capacity Lithium Ion Battery SimilarKey FeaturesMassive Power Output: 60 A continuous, 90 A pulse (tested)High Capacity: 5000 mAh nominal, 4950 mAh minimumUltra-Low Impedance: ACIR ≤ 5 mΩ (DCIR ≈ 8.4 mΩ @ 25 °C, 100 % SOC)Fast Cha..