How do I connect these for 24 volts using 14 18650 batteries? 7 in series, 2 groups in parallel.

I recommend to use 3S 11.1V 12.6V 25A W/Balance 18650 Li ion Lithium Battery PCB Protection Board Know as a BMS. search for DIY 18650 battery pack

What is the max input voltage? Would 5v be ok

5v input should be fine. The battery will be allowed to charge till a battery measure of 4.25 is reached, then the circuit will disconnect your 5v input from the battery.

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KOOBOOK 10pcs 3A BMS Protection Board with Solder Belt for 1S 3.7V 18650 Li-ion Lithium Battery Cell Kit

KOOBOOK 10pcs 3A BMS Protection Board with Solder Belt for 1S 3.7V 18650 Li-ion Lithium Battery Cell Kit

Product ID: 369628018

Details

Brand
KOOBOOK
Colour
Green
Input voltage
3.7 Volts
Item weight
0.01 Kilograms
Output voltage
3.7 Volts

⚡Overcurrent Protection

🔋3.7V Power

🛡️Short Circuit Safety

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94.66 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Power Up Your Projects with Confidence!

SAFETY FIRST - Experience peace of mind with advanced overcharge and over-discharge protection.
USER FRIENDLY SETUP - Follow the straightforward wiring diagram for hassle-free installation.
LOW POWER CONSUMPTION - Enjoy stable performance with minimal energy usage, perfect for eco-conscious innovators.
COST EFFECTIVE SOLUTION - Achieve high integration at a low cost, making it ideal for budget-savvy professionals.
VERSATILE COMPATIBILITY - Designed for various 3.N capacity lithium batteries, ensuring flexibility in your projects.

The KOOBOOK 10pcs 3A BMS Protection Board is engineered for 1S 3.7V 18650 Li-ion Lithium battery cells, offering essential safety features like overcharge, over-discharge, and short circuit protection. Its low current consumption and stable performance make it a reliable choice for various applications, ensuring the safety and efficiency of your battery setups.

Specifications

ASIN	B07W75BQWW
Best Sellers Rank	#161,291 in Electronics ( See Top 100 in Electronics ) #641 in Household Battery Chargers
Brand	KOOBOOK
Color	Green
Customer Reviews	4.6 4.6 out of 5 stars (130)
Input Voltage	3.7 Volts
Item Weight	0.01 Kilograms
Manufacturer	KOOBOOK
Mfr Part Number	KB457
Model Number	KB457
Output Voltage	3.7 Volts
Plug Type	Type A
UPC	797805999058

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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