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HiLetgo 10pcs 5V 1A 18650 Lithium Battery Charging Board TP4056 Lithium Battery Charging Board Micro USB Charge Module with Protect

HiLetgo 10pcs 5V 1A 18650 Lithium Battery Charging Board TP4056 Lithium Battery Charging Board Micro USB Charge Module with Protect

Q: Can we use any 3.7v battery with this board like the 1/2aa size icr14250 3.7v 300mah li-ion lithium rechargeable battery?

Yes but 1.2k program resistor should be changed out for a 4k to match 300ma cc charging. Assuming 1C charging. May be able to push 2C with a 2kohm.

Q: Will this charge a bank of 4 18650 batteries?

These are designed for single cells. One of these boards could charge 4 batteries in parallel at 1/4 the charge rate. If you want to charge 4 batteries in series you would need to use 4 of these boards, one for each battery, but it is not clear to me whether they could remain in the circuit while drawing power from the batteries or what the output would look like when one or more charging board was powered. Without more detail from the manufacturer, I would assume that it would not work for cells in series.

Q: If i connect this to solar panels will this charge and run my nodemcu lua wifi ?

i’ve currently got two solar panels (5v) 300mah each one charging one 18650. you can use the outputs one to connect each other to get whatever voltage for example two 18650 is about 7-8v. i’m using dc buck converter to drop it to 5.2 in hops to run a raspberry pi4 which takes 5.2v@3. :)

Q: Can it take in 3.7v and output 5v? Or would I need a step up module?

No. If you dropped the input voltage to 3.7v it would not draw enough current to charge the battery. You could step up the output voltage but it would stop changing when the cutoff voltage reached 4.2v.

Product ID: 29055596

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Details

Brand
HiLetgo
Color
red
Product Dimensions
1.02"D x x
Item Weight
0.05 Pounds
Output Voltage
4.2 Volts (DC)

⚡1A Charge

🔋5V Input

🔒Overcharge Protection

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Description

Charge Ahead! ⚡

⚡ FAST CHARGING - Maximum charge current of 1000mA ensures quick power-ups.
📦 BULK SAVINGS - Pack of 10 modules for all your charging needs.
🔒 SAFETY FIRST - Built-in protection against overcharging for peace of mind.
📏 COMPACT DESIGN - Small footprint (1.02 x 0.67 x 1.02 inches) fits anywhere.
🔌 POWER UP WITH PRECISION - Input Voltage: 5V for optimal charging.

The HiLetgo 10pcs 5V 1A 18650 Lithium Battery Charging Board is a reliable and efficient charging solution designed for lithium batteries. With a maximum charge current of 1000mA and built-in overcharge protection, this compact module ensures safe and speedy charging. Perfect for DIY enthusiasts and professionals alike, this pack of 10 offers great value and versatility.

Specifications

Manufacturer	HiLetgo
Part Number	3-01-0205
Item Weight	0.811 ounces
Product Dimensions	1.02 x 0.67 x 1.02 inches
Item model number	3-01-0205
Is Discontinued By Manufacturer	No
Color	red
Material	Plastic
Voltage	2.5 Volts
Item Package Quantity	1
Measurement System	Metric
Batteries Included?	No
Batteries Required?	No
Battery Cell Type	Lithium

Have a Question? See What Others Asked

Can we use any 3.7v battery with this board like the 1/2aa size icr14250 3.7v 300mah li-ion lithium rechargeable battery?

Will this charge a bank of 4 18650 batteries?

If i connect this to solar panels will this charge and run my nodemcu lua wifi ?

Can it take in 3.7v and output 5v? Or would I need a step up module?

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