How I monitor and control 200kWh of batteries. First full charge after winter with JK, Pace and JBD

My first MB30 Battery Build. Why the Yixiang DIY Kits and batteries are so good!

New JK BMS Firmware Update V19.21 and important features from previous updates you may have missed.

Battery delaminates after 4 years. Wrong pouch cell installation without compression?

The Fnirsi HRM-10 Battery Internal Resistance Tester. Automatically record your battery data!

A special battery feature, we haven't seen before!

AC-Installation preparation for keeping the batteries and equipment cool during summer! 🔋❄️

Finally! The Solar Gate is running on Lithium! Upgrading Lead-Acid to LiFePO4

So many Screens for the JK-BMS, but no 'official' support for Firmware upgrades?

The different iBMS models explained. How to select the right on for your system.

The iBMS - Connect with your Battery and take it to the next (safety) level!

High Amp Test and Installation of Silicone Link Cables - Safest way to connect your batteries?

Off-Grid Battery and System Room - Building the Sky-Bridge!

Solar Panel 'Cleaning' Clips - Do they really work and remove water and dirt?

Full MB56 Battery Test - Auto Top-Balance, Infrared- and Capacity test. Do we get 34kWh?

The Bended Duct

18650 Li-ion Battery-Build incl. Solar Charge Controller + JK-BMS. How hard (safe) can it be?

First MB56 DIY Kit Build - The Big Beautiful Battery!

EVE MB56 Capacity Test: Ginormous capacity and cheapest option to build a battery!

First full charge of the Battery Shelf after Winter. And an old problem is back!

The Yixiang DIY DIY Kit: This is your battery box. Now, have your final say before launch!

The QSO DIY Box Review. All new, but nothing new! The frogs are not happy🐸

Do we need another one???

The Overkill Pathfinder BMS on the Testbench. Too much is not working...

The new Pathfinder BMS from Overkill Solar - but, has it found its path, yet?

Battery and System Room: Now comes the hard part... and where to start?

World's First MB56 DIY Kit from YIXIANG. How good is it and... does such a battery make sense?

Battery and System Room: Prepping for the new installation! But...

PowerWall 3.0: connecting more batteries to the Battery Shelf. Biggest upgrade yet!

Members Only - New PowerWall coming?!

Upgraded YIXIANG DIY Kit V2 in grey. New Features, new design, new BMS!

How this active balancer (almost) killed my battery. We knew it, but here is the proof!

This new Yixiang DIY Kit could save you some money! And look at these features!!!

Can I save this battery? EGO 56V/5Ah red flashing light problem.

Lead-Acid to Lithium: Are these few Ah sufficient for the Gate? LiFePO4 capacity test.

Lead-Acid to Lithium: EPEVER MPPT Wifi, App, Cloud access, and Charge Algorithm Test

All new EVE MB56 - World's First Real Test and Review! What does the Supercell bring to the market?

What is the most SOC accurate JK-BMS in comparison to the Victron Smart Shunt?

New Bluetooth/Wifi PACE BMS tested with new firmware. Worse than before?

JK Inverter BMS - New FW with Re-Bulk SOC; how to connect to Master BMS; 100% Reset explained again

New Yixiang Vertical DIY Kit - Great colour and design, but why is this still happening...?

Winter-Solstice 2025 and biggest Off-Grid Challenge: Can we make it through Winter without the grid?

Seplos V3 BMS with Firmware 1.5 - Current Throttling, Float-State, 100% Reset, but for what purpose?

Lead-Acid to Lithium Conversion turns into a valuable Cell Test and Repair Task.

JK Inverter BMS SOC Precision Comparison | Update 1

Members Only - You are the first, I'm showing this!

SOC not accurate in the JK Inverter BMS? Which model works best, V14, V15 or V19? | Part1

3 batteries with different PACE BMS in parallel. PACE asked me to stop testing this! 🤡

Orientpower 230Ah Battery with new PACE BMS and Bluetooth + Wifi. What is going on, Jaki???

JK-BMS V14, V15 and V19 in parallel and first full charge. Why no 100% reset of the BMS?

2 new hidden features + a new, old bug. The JK-BMS never disappoints!

The inevitable end of the JK-BMS. EOS for V14 and V15 - is that it?

Will this 1kW charger be enough to charge a 44kWh battery? Yes, but...

New EVE MB56 Cell: huge energy capacity, but bigger and heavier. Still good for DIY?

Members only - Why is this so painful?

The impossible Repair of the JK-BMS. I'm getting B-Serious!

Surviving winter with lots of shading with no additional Solar? Preparing for fully Off-Grid.

New JK B-Series BMS with Current Limiter. Great feature with major flaws | Part IV

New JK B-Series BMS now has a Communication Board for CAN, RS485 and Firmware Upgrades | Part III

The new 'old-style' JK-BMS V19. And it comes with some features which will blow your... | Part II