Reckon blog
Solar and backup power, explained plainly
Articles for Kerala homes and shops on lithium home UPS, the PM Surya Ghar scheme and MPPT solar chargers.
Lithium UPS
LiFePO4 home UPS, warranties and backup sizing.
LiFePO4 home UPS with 5-year warranty: what to check before you buy
What a 5-year lithium warranty really covers, and the questions to ask the dealer.
Lithium UPSWhy LiFePO4 is the safest lithium battery for home backup
LiFePO4 compared with NMC lithium and lead-acid on safety, life and heat.
Lithium UPSHow much lithium battery backup does your home need?
Add up your load, multiply by hours, and pick a battery size with a worked example.
Lithium UPSLithium vs tubular battery for Kerala homes
Life, maintenance, space and charging compared, so you can choose once.
PM Surya Ghar
Rooftop solar subsidy, documents, net metering and loans.
Documents you need for the PM Surya Ghar subsidy
Your KSEB bill, bank details and roof photos, and at which step each one is used.
PM Surya GharPM Surya Ghar: net metering and bank loans explained
How exported units are adjusted on your bill, and how the scheme's bank loans work.
PM Surya Ghar1 kW, 2 kW or 3 kW: which solar system suits your bill?
Read the units on your KSEB bill and match them to a system size and subsidy.
MPPT chargers
Choosing and sizing solar charge controllers.
MPPT vs PWM solar charge controller: which one do you need?
How each controller works, how much extra energy MPPT gives, and when PWM is enough.
MPPT chargersHow to size an MPPT charger for your panels and battery
A simple three-check method for current, voltage and battery compatibility.
Want a price for your house?
Send your latest KSEB bill on WhatsApp. We'll reply with the right system size and your subsidy.