Cockroach — Prepper Central
Creator

@Off-Grid Garage

· 14 videos curated

Off-grid solar and battery systems for residential energy independence and self-sufficiency.

All 14 videos

Diagnosing and replacing a failed Daly BMS with a 300A JK in a Muller 12V/200Ah battery
45:28YouTube

Diagnosing and replacing a failed Daly BMS with a 300A JK in a Muller 12V/200Ah battery

Energy·3k views·3 days ago

Step-by-step repair of an off-grid battery system: diagnosing a failed BMS via cell voltage readings, physically replacing it with a JK model, and testing with thermal imaging.

battery-management-systembms-replacementoff-grid-solartroubleshooting
JK-Inverter BMS Firmware V19.34: New Features and Configuration
15:19YouTube

JK-Inverter BMS Firmware V19.34: New Features and Configuration

Energy·3k views·1 week ago

15-minute walkthrough of JK-BMS firmware V19.34 features, including how to transfer battery parameters (SOC, SOH, cycle data) when replacing a BMS without losing system history.

battery-managementoff-grid-solarfirmware-configurationinverter-systems
EVE LF 280 Cell Degradation Test After 5 Years + Battery Maintenance Troubleshooting
28:28YouTube

EVE LF 280 Cell Degradation Test After 5 Years + Battery Maintenance Troubleshooting

Energy·4k views·2 weeks ago

Real-world degradation data on LiFePO4 cells after 5 years and 520 cycles, plus diagnosis and repair of oxidation failures in off-grid battery systems.

lifepo4-batteriesbattery-maintenanceoff-grid-solarcell-degradation
Connecting the Smart Shunt to a 1000A Busbar
20:19YouTube

Connecting the Smart Shunt to a 1000A Busbar

Energy·4k views·2 weeks ago

20-minute walkthrough installing a smart shunt in an off-grid battery room: cable sizing, tight-space routing, crimping technique, and balanced current flow principles.

off-grid-solarbattery-systemselectrical-installationwiring-technique
Integrate any Shelly Smart Switch as PV Inverter in Victron Venus OS
25:15YouTube

Integrate any Shelly Smart Switch as PV Inverter in Victron Venus OS

Energy·4k views·3 weeks ago

25-minute technical walkthrough: use Node-RED to integrate Shelly smart switches into Victron energy-management systems, creating virtual PV inverters for off-grid monitoring and control.

off-grid-solarvictron-venussmart-switchesnode-red
Gobel Power Project X: 35kWh Battery Shelf Review and Upgrades
30:00YouTube

Gobel Power Project X: 35kWh Battery Shelf Review and Upgrades

Energy·4k views·1 month ago

30-minute hands-on review of a DIY solar battery kit with 35kWh capacity, covering assembly, component evaluation, design flaws, and recommended upgrades.

diy-battery-systemssolar-storagebattery-management-systemsoff-grid-power
The Off-Grid Garage and House: Fully Off-Grid with a Single 5kW Inverter
21:52YouTube

The Off-Grid Garage and House: Fully Off-Grid with a Single 5kW Inverter

Energy·4k views·1 month ago

21-minute walkthrough of converting a house to off-grid solar and battery power, including transfer-switch installation, dual-inverter load balancing, and real-world power-management lessons.

off-grid-solarbattery-systemsinverter-setuphome-energy-independence
Busbar & Cable Connections for 4x 250A with an Electric Crimper Tool
35:46YouTube

Busbar & Cable Connections for 4x 250A with an Electric Crimper Tool

Energy·4k views·1 month ago

35-minute walkthrough of crimping 95mm² cables and routing power distribution to busbars and MCCBs in an off-grid battery system installation.

off-grid-solarbattery-systemselectrical-installationcrimping-connectors
JK Inverter-BMS and JK B-Series BMS in Parallel: Adding Extra Safety to the Battery Shelf
32:31YouTube

JK Inverter-BMS and JK B-Series BMS in Parallel: Adding Extra Safety to the Battery Shelf

Energy·3k views·1 month ago

32-minute hands-on workshop configuring dual JK battery management systems in parallel for improved safety and communication with Victron inverter controls in off-grid solar setups.

battery-management-systemsoff-grid-solarbms-configurationvictron-integration
Yixiang 12V/628Ah DIY Kit - High Capacity Battery Build and Performance Test
37:15YouTube

Yixiang 12V/628Ah DIY Kit - High Capacity Battery Build and Performance Test

Energy·11k views·1 month ago

37-minute walkthrough building a 628Ah DIY lithium battery system from pre-assembled components, with capacity testing and inverter load trials.

diy-battery-systemslithium-batteriesoff-grid-powerinverter-testing
Gobel Power Battery Monitoring Kit and Home Assistant Integration
35:01YouTube

Gobel Power Battery Monitoring Kit and Home Assistant Integration

Energy·16k views·2 months ago

35-minute walkthrough on integrating Gobel Power, PACE, and JK-BMS battery systems with Home Assistant via Waveshare gateways for real-time monitoring of off-grid solar setups.

battery-monitoringhome-assistant-integrationoff-grid-solarbms-data-logging
EVE LF304 Capacity Test after 4 Years of Daily Usage: Battery Shelf Performance
37:20YouTube

EVE LF304 Capacity Test after 4 Years of Daily Usage: Battery Shelf Performance

Energy·39k views·2 months ago

Four-year degradation study of EVE LF304 lithium cells in an off-grid battery bank, comparing current capacity against baseline measurements from 2022.

battery-degradationlithium-cellsoff-grid-batterycapacity-testing
Upgrading the Battery Shelf BMS: Overkill-JBD to JK-PB Battery Management System
30:49YouTube

Upgrading the Battery Shelf BMS: Overkill-JBD to JK-PB Battery Management System

Energy·16k views·2 months ago

30-minute walkthrough replacing and configuring a battery management system in a residential off-grid solar setup, with cabling and balance-wire installation details.

battery-management-systemoff-grid-solardiy-installationbms-upgrade
MCCB Installation, 1000A Busbars, and Smart Shunt Housing Setup
22:57YouTube

MCCB Installation, 1000A Busbars, and Smart Shunt Housing Setup

Energy·19k views·2 months ago

Step-by-step installation of a 1000-amp MCCB, Victron busbars, and smart shunt housing in an off-grid solar system, with drilling techniques and component integration.

off-grid-solarmccb-installationvictron-componentselectrical-systems