Deye SUN-12K review: a 12 kW hybrid inverter for the home
A three-phase 12 kW hybrid for 48 V batteries: SG04LP3 series specs, who it suits, which batteries it works with and what to watch for during installation.
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How long will your appliances run on a battery: consumption table
Power draw of fridges, boilers, routers and other appliances, with ready runtime calculations for batteries from 1 to 10 kWh.
LiFePO4 charge settings in your inverter: voltages, currents, BMS
Voltage levels for 12, 24 and 48 V packs, charge current, BMS communication and the mistakes that quietly eat into battery life.
Deye, SolaX, Huawei, Sol-Ark, EG4, PowMr, Anenji: inverter brands compared
Mass-market hybrids, premium ecosystems and budget all-in-one units: what each brand offers, who it suits and what to watch for in Ukraine.
DIY mini UPS for a router: 12 V on LiFePO4
A no-switchover circuit, parts list, runtime calculation and step-by-step assembly — so the internet doesn't go down with the lights.
48 V or high-voltage battery system: what's the difference
Currents, cables, safety, battery compatibility and expansion — how low-voltage and high-voltage storage systems differ and where each one makes sense.
How to wire a hybrid inverter: grid, backup panel, battery and solar
Which circuits to move to backup, how to protect the battery, how to size the cable and in what order to power the system up the first time.
LiFePO4 vs AGM: which battery to choose for backup power
Comparing lithium iron phosphate and lead-acid batteries by depth of discharge, cycle life, weight and the cost of a kilowatt-hour over the battery's lifetime.
How to calculate battery capacity: formula and examples
A one-line formula, three corrections people forget, and two complete calculations — an apartment for 6 hours and a house with a gas boiler for 8 hours.
How to choose a home inverter for power outages
Grid-tie, off-grid or hybrid, what power rating, how many phases and what battery voltage — what to check before buying so the inverter actually carries your home through a blackout.