What is Reddit's opinion of

"CHINS Bluetooth LiFePO4 Battery Smart 12V 100AH Lithium Battery Support Low Temperature Charging (-4℉/-20°C), Built-in 100A BMS, 2000+ Cycles, Mobile Phone APP Monitors Battery SOC Data"

CHINS Bluetooth LiFePO4 Battery Smart 12V 100AH Lithium Battery Support Low Temperature Charging (-4℉/-20°C), Built-in 100A BMS, 2000+ Cycles, Mobile Phone APP Monitors Battery SOC Data
CHINS Bluetooth LiFePO4 Battery Smart 12V 100AH Lithium Battery Support Low Temperature Charging (-4℉/-20°C), Built-in 100A BMS, 2000+ Cycles, Mobile Phone APP Monitors Battery SOC Data

【Bluetooth Function】: Compared with the traditional battery monitor, CHINS Bluetooth lithium battery has added Bluetooth function and obtain various data (SOC) of the lithium iron phosphate battery. Customers can connect to the battery through the mobile phone APP, and read the battery voltage, current, battery capacity and other important information at any time. Wireless connection range: within 5-10 meters from the battery.

Categories:
Automotive
Replacement Parts
Batteries & Accessories
Batteries

Check price

1 comment of this product found across Reddit:
porchlightofdoom /r/SolarDIY
2 points
1970-01-20 11:17:43.964 +0000 UTC

So for the easy thing to do.

https://www.amazon.com/LiFePO4-Temperature-Charging-2000-5000-Monitors/dp/B08N56CYS5

The model with the Bluetooth and phone app give give you a way to monitor battery state of charge.

https://www.amazon.com/Victron-Energy-BlueSolar-Charge-Controller/dp/B076N5PTBN/

For a charge controller.

Then search Craigslist for some used 250 watt panels for $50.