We are professional battery supplier, carrying anything named BATTERIES. – Compatible Model: ESR8EE5920 IMT-3500D -If you need more than you can buy, you can contact us and we can transfer your goods from other warehouses. – MSDS UN38.3 CE and ISO9001 Certificate for quality assurance. Tips Before Purchase Please confirm the compatible model and battery part number carefully before you purchase it. If you are not sure, please feel free contact with us , we will give you professional suggestions.Our products have passed strict quality inspection. if you have any questions, you can contact us. We offer full refund or a free replacement without any reason. All batteries are Certificated with ISO9001, RoHS, CE, UN38.3, and MSDS. Dimensions: 183.9 x 32.2 x 32.2mm Weight: 600.0g. Battery Specifications – Capacity: 5000mAh, WH: 30.0Wh, Type: Ni-MH, Voltage: 6.0V. Fully Compatible with ESR8EE5920 IMT-3500D. Perfectly Works like the original battery.