Can I hook a solar panel to this?

A solar controller with +5v output is well advised, or alternately a 12v panel w/ 12v controller and then use a car 12v 1amp to USB converter.

I am considering connecting a solar panel to the charger. What is the maximum voltage the charger can tolerate?

The TP4056 chip on the board says in the datasheet a maximum of 8 volts can be applied to the chip. I don't have it on hand to check, but you can add the voltage drop of any components in series with the power input and T4056's Vcc. Example, if a reverse polarity protection diode with a drop of 1 volt was before the chip, the maximum goes up to 9 volts because after the diode, there is now only a 8 volt potential difference.

Will it cut the power when the battery reaches 3 volts?

Hi, Charging cut-off voltage: 4.2V ± 1%

What is the voltage on the Out pins?

about 5.1volts. I used these to power some Arduino Pro Mini projects using a single lipo18650 cell with good success. The output voltage is 5V regardless of input voltage or if it is running from battery. According to the chip datasheet you are not supposed to run a load and charge the battery at the same time but I had no problems doing so as long as the load was mild (<500ma).

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TP4056 Charging Module with Battery Protection 15pcs | 18650 Lithium Battery Charging Board, 18650 BMS, 5V 1A, Type-C Interface

TP4056 Charging Module with Battery Protection 15pcs | 18650 Lithium Battery Charging Board, 18650 BMS, 5V 1A, Type-C Interface

Product ID: 43833188

Details

Brand
MakerFocus
Input Voltage
5 volts
Item Weight
0.02 kg
Output Voltage
5 volts
Product Dimensions
2.7"D x 0.9"W

⚡1A fast charging current

🔌Type-C USB input for universal charging

🛡️Built-in battery overcurrent protection

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Description

🔋 Power your projects with smart, safe, and speedy charging!

FAST 1 A CHARGING - Optimized 5V/1A current ensures quick, efficient lithium battery recharge.
MULTI PACK VALUE - 15 modules included—perfect for prototyping, repairs, or scaling your power solutions.
DIY FRIENDLY DESIGN - Reserved solder pads and clear polarity markings make custom projects a breeze.
UNIVERSAL TYPE C INPUT - Plug & play with any modern phone charger for effortless power-up.
ROBUST BATTERY PROTECTION - Integrated overcurrent and voltage cut-off safeguards your battery’s lifespan.

The TP4056 Charging Module is a compact, 5V/1A lithium battery charger featuring a Type-C USB input for universal compatibility. It includes built-in overcurrent protection and voltage cut-off to safeguard your batteries. Designed for DIY enthusiasts and professionals alike, it supports single-cell and parallel lithium battery charging with clear polarity indicators and reserved solder pads for flexible integration. This pack of 15 modules offers excellent value for prototyping, repairs, or scalable power management solutions.

Specifications

ASIN	B0CWNXKR4X
Amperage	1 A
Best Sellers Rank	#212,719 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #903 in Power Converters
Brand	MakerFocus
Compatible Devices	lithium battery
Connector Type Used on Cable	Type C USB
Current Rating	1 A
Customer Reviews	4.3 4.3 out of 5 stars (49)
Input Voltage	5 volts
Item Dimensions D x W x H	2.7"D x 0.9"W x 2"H
Item Weight	0.02 kg
Manufacturer	MakerFocus
Mfr Part Number	P9S8R16X4908HWS025JI
Model Number	P9S8R16X4908HWS025JI
Number of Items	15
Output Voltage	5 volts
Warranty Description	No Warranty

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₨329

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In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

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