Why Do My Parallel Batteries Charge at Different Rates?
I've got two identical 100ah batteries connected in parallel, but they were bought three weeks apart. Recently, I set up a small solar system in my shed to…
battery management
Need Help with Bus Bars for My Server Rack Batteries
I've just finished my first DIY project where I set up 12 Eco-Worthy server rack batteries with a Flexboss 18 inverter. Everything's been pretty smooth sailing so far.…
Can I Use TP4056 Modules in Parallel for 3A Charging?
I'm curious if using multiple TP4056 modules in parallel is a valid setup for charging three 18650 cells in parallel (1S3P configuration). Would this approach eliminate the need…
Anyone tried the Eco Worthy 3000 Watt Inverter and Charger?
I'm considering buying the Eco Worthy 3000 watt inverter and charger but I want to make sure it's a good choice before I commit! I ran the numbers…
How Should a Charge Controller Operate When My Battery is Fully Charged?
Hey everyone! I've been working on my first DIY off-grid solar system and I've run into some issues I need help with. I'm using an MPPT charge controller…
Using My EV's V2L to Charge Household Batteries—Is It Possible?
Hey everyone! I've recently set up a system with two 12kw Deye hybrid inverters connected in parallel to a 100kWh battery pack, setting me up for an on-grid…
Can I Connect Different Capacity Batteries in Parallel?
I recently discovered that it's possible to connect batteries of different capacities together, and I'm curious about how it works. Currently, I have 2 EG4 48V 100Ah batteries…
How Can I Remotely Connect to Bluetooth-Only Battery Management Systems?
Hey everyone! I'm looking for suggestions on how to connect to the Battery Management System (BMS) of some batteries I have. They come with both Android and iOS…
Why Does My MPPT Charger Stop Charging After Full Battery?
I have a Redarc BCDC 12V 40A charger and I'm wondering about how the float stage works with my setup. I'm charging two 12V 315 amp/hr batteries in…
Troubleshooting Over Voltage Alarm on Off-Grid System
Hey everyone! I'm running into an issue with my DIY off-grid solar setup and could really use some advice. I have four 535w Jinko solar panels (and I'm…
Confused About MPPT Charge Controller Voltage Settings for Lithium Batteries
I recently bought a budget-friendly MPPT charge controller and the instructions are poorly translated, making it tough to understand. There's only one voltage setting I can adjust that…
How Can I Disable PV Charging and Only Use AC for My Growatt Inverter?
I've just installed a SPH inverter with ARK batteries, and I'm finding it tricky to reliably set it up for charging only from AC. I'm typically using modbus…
Why Do My BMS and BMV-712 Show Different Voltages When Charging Dyness B3 Batteries?
Hey everyone! I've been trying to figure out why my Dyness B3 battery management system (BMS) and the BMV-712 display different voltage readings when charging. During discharge, the…
Deye Hybrid Smart Load - How to Switch to Grid When Battery Charge is Low?
Hey everyone! I've set up a Deye SUN-12K-SG04LP3-EU hybrid inverter with 30 TATA 330W solar panels and four Deye SE G5.3 52V, 100Ah LiFePO4 batteries, totaling 20.48 kWh.…
Do SOK Batteries Really Need Monthly Discharge and Syncing?
I'm having some trouble with my SOK batteries in my travel trailer. Out of three, two of them aren't consistently showing the state of charge (SOC) or capacity.…
Are Rapid Chargers Bad for Batteries?
A coworker mentioned that he only uses rapid chargers as a last resort, claiming that frequently charging batteries quickly can be detrimental. I'm curious to know if there's…
How Can I Top Balance My LiFePO4 Batteries Efficiently While Off-Grid?
I've been trying to top balance my LiFePO4 battery pack for a few months now, but since I live in a mobile setup without grid power, my window…