Designed as a replacement for compatible Tecno smartphones This is an Aldeepo BL-29BT Li-ion battery, designed as a replacement for compatible Tecno smartphones like the Spark Go and Spark 4 Air models.
Technology: Lithium-ion (Li-ion) battery.
Capacity: 2000mAh (as per the image packaging, though other sources mention 3000mAh for compatible models).
Voltage: Standard 3.8V, with a limited charge voltage of 4.35V.
Energy: 11.02Wh.