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Description
Product Description
3USB 5V2.1A Mobile Power Circuit Board Boost Module/18650 Lithium Battery
Introdction
3 USB charging port, can charge 3 mobile phones at the same time. Dual IC control, synchronous rectification, conversion rate up to 90%. Using high-quality inductors, double-tube rectifier, stable performance. Overdischarge, overcharge, and overload protection circuit. It can automatically identify the output current of 5V1A or 2A according to the equipment.
Suitable for 3.7-4.2V rechargeable lithium batteries, such as mobile phone batteries, tablet batteries, 18650 batteries, etc. Connect the positive pole of the lithium battery to B+, and connect the negative pole of the lithium battery to B-. Note that the B+ and B- of the boosted battery must not be connected reversely. The Micro-USB port needs to be activated once for the first use. Colour: black Material: ABS Size: 56x17mm
Package Contents: 1 * power circuit board
Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
