With on of these fitted to a 3s 18650 battery , can i use a 12v charger designed for SLS battery will the board cut the charging off when its reached

I don't believe you can. My board is used to charge a 12.6V 18650 battery pack with a similar output battery charger

Can the input be a 12 volt solar panel?

No you need a proper BMS controller for solar panels.

Could anyone tell me the low voltage cutoff point?

It’s approximately 3.4V lower and 4.2v for the high point per cell. So x that by 3 to get the value. 10.4 & 12.6v for a 3S charger.

What is the input voltage? can you use usb charger to recharge the batteries?

Hello, this can not be charged, the input voltage is DC 12.6-13V

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Aideepen 3PCS 3S 20A Li-ion Lithium Battery Charger Board PCB BMS 12.6V Cell Module Overcharge Overcurrent Short Circuit Protection

Product ID: 224544652

Details

Brand
Aideepen
Colour
As Show
Item weight
10 Grams
Output voltage
12.6 Volts
Product dimensions
3D x 20W x 64H

⚡20A high current rating

🔋3S 12.6V Li-ion battery support

🛡️Overcharge & short circuit protection

R$111

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Description

🔋 Charge smart, power strong — never get caught powerless!

TRIPLE SAFETY SHIELD - Integrated overcharge, overcurrent, and short circuit protection for peace of mind.
PLUG PLAY RELIABILITY - Easy wiring with clear voltage points ensures hassle-free setup and activation.
VERSATILE COMPATIBILITY - Optimized for 3.6V-3.7V Li-ion cells, perfect for DIY and professional projects.
COMPACT PRECISION DESIGN - Slim 64x20x3.4mm PCB fits seamlessly into your custom battery builds.
POWER PACKED 20 A CURRENT - Delivers robust 20 amps for high-demand drill motors and battery packs.

The Aideepen 3PCS 3S 20A Li-ion Battery Charger Board is a compact, high-performance BMS module designed for 12.6V lithium battery packs. It supports up to 20 amps continuous current with built-in overcharge, overcurrent, and short circuit protection, making it ideal for powering drill motors and DIY battery projects. Its precise voltage wiring and durable design ensure reliable, safe charging and discharging cycles, backed by strong user reviews and CE certification.

Specifications

ASIN	B08FY6TNWY
Amperage	20 Amps
Best Sellers Rank	11,086 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 96 in Household Battery Chargers
Brand Name	Aideepen
Colour	As Show
Compatible Devices	Lithium batteries (3.6V or 3.7V, up to 20A) for drill motors
Connector Types	DC Power Jack
Country of Origin	China
Current Rating	20 Amps
Customer Reviews	4.5 4.5 out of 5 stars (587)
Input Voltage	12.6 Volts
Item Dimensions D x W x H	3D x 20W x 64H millimetres
Item Weight	10 Grams
Manufacturer	Aideepen
Manufacturer Part Number	A70122053UK
Model Number	A70122053UK
Number of Items	3
Number of Packs	3
Number of Ports	3
Output Voltage	12.6 Volts
Specification Met	CE
Unit Count	3.0 count

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R$111

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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