What is the Low voltage cutoff?

Low voltage protection means that the bms will cut off the output when the battery voltage is too low.

My battery will not charge. The voltage is 4.7V on it. Tried jump starting with similar battery. Any ideas how I can revive it?

Mine was the same until I used solar and charged it to 13 volts. Old battery chargers may charge as well, but charge to 11 or 12 volts, then connect to a newer type charger. Just be careful!!!

If my battery reads 13.5 volts is it fully charged ?

yes，13.5V represent it is fully charged

what is a compatible charger for this battery?

These are awesome batteries but customer service is all but impossible to get ahold of anyone. I did have some success with a live chat on their web site. They sell chargers for LifePo4 batteries. To get the most out of this chemistry you need a charger designed for it.

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ECO-WORTHY 12V 30Ah LiFePO4 Lithium Battery, 4000+ Deep Cycle Rechargeable Battery with BMS for Ham Radio, Fish Finder, Replacement of 12V 35AH SLA

Product ID: 715757721

Details

Battery cell composition
Lithium Ion
Brand
ECO-WORTHY
Size
30AH
Vehicle service type
Van
Voltage
12.8 Volts

🔋4000+ deep cycles

⚖️7.2 lbs lightweight

🛡️Built-in BMS protection

Description

⚡ Power up smarter, lighter, and longer—never miss a beat!

MULTI USE READY - Perfect for ham radios, fish finders, RVs, scooters, solar setups, and off-grid adventures.
ULTRA LONG LIFE CYCLE - Recharge 4000+ times—8x longer than lead-acid batteries for relentless power.
VERSATILE CONNECTIVITY - Supports series (up to 4) and unlimited parallel connections—scale your power your way.
FEATHERWEIGHT POWERHOUSE - Only 7.2 lbs—take your energy anywhere without the bulk or strain.
SMART BATTERY MANAGEMENT - Advanced BMS safeguards against overcharge, discharge, and short circuits—peace of mind included.

The ECO-WORTHY 12V 30Ah LiFePO4 battery delivers over 4000 deep charge cycles with a robust built-in BMS for ultimate protection. Weighing just 7.2 pounds, it’s a lightweight, rechargeable powerhouse ideal for ham radios, marine gear, scooters, and off-grid systems. Compatible with series and parallel setups, it’s a versatile upgrade from traditional lead-acid batteries.

Specifications

ASIN	B09N9BBS68
Battery Capacity	30 amp_hours
Battery Type	Lithium Ion
Brand Name	ECO-WORTHY
Compatible with Vehicle Type	Van
Customer Reviews	4.5 4.5 out of 5 stars (315)
Included Components	Battery
Item Dimensions D x W x H	18.3D x 8.4W x 17.5H centimeters
Item Type Name	Battery
Item Weight	7.8 Pounds
Manufacturer	ECO-WORTHY
Manufacturer Part Number	L13060202003-1C
Model Number	L13060202003-1
Number Of Cells	1
Number of Items	1
Size	30AH
Terminal	M5
Unit Count	1 Count
Voltage	12.8 Volts (DC)

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