Capacity & SOH
35 articles
How to Use Voltage Readings to Estimate Capacity
Using terminal voltage to estimate battery capacity depends entirely on the cell chemistry, current load, and…
Why “Calendar Aging” Happens Even if You Don’t Use the Battery
Many solar storage owners believe that keeping a battery unused, isolated in backup-only mode, or lightly…
The Impact of “Micro-Cycling” on Battery Health
If you watch your solar monitoring app during a partly cloudy day, you might see your…
Does Keeping a Battery at 50% SoC Really Extend Its Life?
Many solar battery owners, drawing from advice about electric vehicles, laptops, and smartphones, wonder if keeping…
Why Smart “Home Energy Management” Saves Your SOH
Homeowners often view Home Energy Management Systems (HEMS) and smart load controllers simply as tools to…
Why Your Battery SOH Dropped Suddenly After a Fault
Seeing your solar battery’s State of Health (SOH) drop by 10% to 30% immediately after an…
How Parallel Strings Can Lead to Uneven SOH
When connecting solar batteries in parallel, you expect each unit to share the electrical load equally.…
The Relationship Between C-Rate and Usable kWh
When you discharge a solar battery quickly to power heavy appliances, you will notice that it…
Why One Weak Cell Limits the Entire Battery’s Capacity
When your solar storage system unexpectedly shuts down early in the evening or stops charging before…
How to Identify “Lazy Battery” Syndrome (Voltage Depression)
If your solar battery rapidly loses percentage under moderate loads, triggers early inverter shutoffs, or shows…
The Impact of Partial State of Charge (PSOC) on LFP Batteries
Lithium Iron Phosphate (LiFePO4 or LFP) is widely considered the safest and most durable chemistry for…
Why Over-Cooling Can Actually Reduce Usable Capacity
Because heat is a well-known enemy of battery life, solar installers often go to great lengths…