Lithium ion battery 3.7V 20.4Ah
China Battery Manufacturer 3.7V 20.4Ah Custom Rechargeable Battery Pack With NTC. 18650 battery pack li-ion battery 3.7V 20.4Ah cheap factory price. ensuring your devices stay charged for extended periods. High Compatibility and Versatile Use; Lithium-ion Battery 7.4V 3200mAh. Rechargeable Lithium ion Battery 3.7V 2.2Ah.