Can I connect my 4s battery to this to balance while I'm charging?

Use it after balance charging if you need more precise balancing of the parallel cell groups. The p-groups should be within 20-25mV before additional balancing with the BG-8S

Is this an active balancer, raising the lowest cells? Or does it only lower the highest cells?

No the ISDT BG-8S is definitely NOT an active balancer. It strictly discharges the high cells down to the lowest cell voltage. If the low voltage alarm is set to high it will not even start the balancing. The cell with the lowest voltage when starting the balance will remain the lowest cell until all other cells voltages have dropped below that cells starting cells voltage. Every review I have ever read or seen states this is an active balancer. But I have two of these and I can without a doubt say that is false. To be clear the manual does NOT mentions anywhere (that I can find) the balance method used in this device.

Can these connect to 16s lithuim iron battery

No they are for 2s-8s. Maybe 1s. But definitely Not 16s

How do I put the device into continuous auto balance without entering manual balancing modey

I'm going to say no. It's been a while since I've used mine but all indications say that you must enter manual mode first then this unit will go into auto mode on its own.

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ISDT BattGo BG-8S LCD Display Digital Battery Meter for LiPo/Life/Li-ion/NiMH/Nicd

Product ID: 306000468

Details

Brand
ISDT
Colour
Black and
Item weight
91 g
Power source
Battery
Style
Voltage Tester

⚡Multi-chemistry battery compatibility

📊High-precision digital LCD readout

📏Compact 7.6x5.1x2.5 cm design

EC$330

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Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Stay Powered, Stay Ahead – The Ultimate Battery Meter for the Modern Pro

BUILT TO LAST - Durable construction ensures reliable performance even in demanding environments.
TRUSTED BY PROS - Backed by a 4.6-star rating from over 1,200 users, making it a must-have for battery management.
CRYSTAL CLEAR LCD DISPLAY - Instantly read accurate voltage and battery health data with a bright, easy-to-read screen.
PRECISION MEETS PORTABILITY - Sleek, compact form factor fits perfectly in any toolkit or pocket.
UNIVERSAL BATTERY COMPATIBILITY - Effortlessly tests LiPo, LiFe, Li-ion, NiMH, and NiCd batteries for versatile use.

The ISDT BattGo BG-8S is a compact, durable digital battery meter designed for professional-grade testing of multiple battery chemistries including LiPo, LiFe, Li-ion, NiMH, and NiCd. Featuring a high-precision voltmeter and a clear LCD display, it delivers accurate, real-time battery health data. With a sleek black and yellow design and a strong 4.6-star user rating, it’s the go-to tool for millennial managers who demand reliability and efficiency in their tech accessories.

Specifications

ASIN	B07797N9BG
Best Sellers Rank	#126,046 in Electronics ( See Top 100 in Electronics ) #156 in Household Battery Testers
Brand Name	ISDT
Color	Black and Yellow
Compatible Devices	Mobile Devices
Customer Reviews	4.6 4.6 out of 5 stars (1,214)
Item Dimensions	7.6 x 5.1 x 2.5 centimeters
Item Weight	91 g
Manufacturer	ISDT
Measurement Type	Voltmeter
Model	ISDT-BG-8S
Number of Items	1
Number of Packs	1
Part Number	BG-8S
Power Source	Battery Powered
Specification Met	Qualcomm
Style Name	Voltage Tester
UPC	768684806003 791259601963 655981288857 843359100379 749882753436 709046959692
Unit Count	1 Count
Upper Temperature Rating	40 Degrees Celsius

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

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EC$330

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered 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 Saint Vincent and the Grenadines.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

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

2 weeks ago

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