Hi all: are the t1,t2 terminals for a temp sensor? if so, what kind of sensor and what is the operational range.

There is no manual or any instruction about it, I googled similar boards and also Alibaba/Aliexpress. The only hit - its usually 10k thermistor (look for ntc 10k) and you have to remove smd jumper (0 Ohm) right near these terminals). I did not manage to find any documentation.

Does it come with the pigtail?

Yes, this item contained the pigtail.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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HiLetgo 14.8V 4S 30A 18650 Li-ion Lithium Battery BMS PCB Integrated Circuits Protection Board Cell Balance

HiLetgo 14.8V 4S 30A 18650 Li-ion Lithium Battery BMS PCB Integrated Circuits Protection Board Cell Balance

Product ID: 166027642

Details

Brand
HiLetgo
Color
green black
Input Voltage
4.2 volts
Item Weight
0.02 kg
Output Voltage
17

⚡30A working current

🔋4S 14.8V Li-ion battery support

🛡️Multi-layer protection system

€ 15.28

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Description

🛠️ Power your projects with precision and protection!

SMART CELL BALANCING - Maintains battery health by equalizing cell voltage for maximum efficiency.
COMPACT DURABLE DESIGN - Sleek 56x48x4mm PCB built to withstand temperatures from -20°C to 80°C.
POWER PACKED 30 A CURRENT - Handles high load demands with ease for uninterrupted performance.
PRECISION VOLTAGE CONTROL - High-accuracy detection ensures optimal charging and discharging cycles.
COMPREHENSIVE SAFETY SUITE - Overcharge, over-discharge, short circuit, and overcurrent protections keep your battery safe and long-lasting.

The HiLetgo 14.8V 4S 30A Li-ion Battery BMS PCB is a compact, high-performance protection board designed for 18650 lithium batteries. It features a 30A working current capacity, precise voltage detection, and multiple safety protections including overcharge, over-discharge, short circuit, and overcurrent safeguards. With integrated cell balancing and a durable design rated for extreme temperatures, it ensures reliable, efficient, and safe battery management for professional-grade applications.

Specifications

ASIN	B07X28845M
Best Sellers Rank	#295,990 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,314 in Power Converters
Brand	HiLetgo
Color	green black
Customer Reviews	4.0 4.0 out of 5 stars (125)
Input Voltage	4.2 volts
Item Weight	0.02 kg
Manufacturer	HiLetgo
Mfr Part Number	3-01-1548
Model Number	3-01-1548
Number of Items	1
Number of Packs	1
Output Voltage	17 volts_of_direct_current
Plug Type	Micro USB
Power Source	battery
Unit Count	1 Count

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€ 15.28

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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