Battery guides
How to choose, size, install and look after a lithium battery for your inverter, solar system or electric vehicle.
Articles in Battery guides
How a custom lithium battery pack is designed
The battery pack design process step by step, for anyone commissioning a pack in India: the brief, cell choice, a worked series and parallel calculation, BMS, cooling, enclosure, testing and certification.
What is a BESS? Sizes and costs for Indian businesses
BESS stands for battery energy storage system. This guide explains the parts, how to size one from load and hours, and what dated Indian cost figures do and don't tell a business.
LFP vs NMC battery: what LiFePO4 is and which to choose
What LFP (LiFePO4) and NMC batteries are, how they compare on energy density, cycle life, thermal runaway, cost per kWh and cold charging, and which suits home, solar, telecom, EV and forklift use.
Lithium vs tubular inverter battery: which should you buy?
A side-by-side look at lithium and tubular inverter batteries using makers' own datasheets: energy, weight, cycle life, warranty, cost per kWh and fitting lithium to your inverter.
Lithium battery manufacturers in India: cell makers and pack makers
India has little commissioned lithium-ion cell capacity, so most battery makers build packs from bought-in cells. See who makes cells or packs, where, how much capacity and each plant's status.
How long does a lithium battery last? Battery cycle life explained
A lithium battery's life is counted in charge cycles. How many years those cycles last depends on depth of discharge, heat and charge level. LFP and NMC compared.
48V lithium battery price in India: 100Ah packs compared
What 48V and 51.2V 100Ah lithium batteries cost on makers' own sites on 1 November 2026, with rupees per kWh, GST and the specs that change the price.
Lithium inverter battery price in India (November 2026)
Prices for 12V and 24V lithium inverter batteries from makers' own sites on 1 November 2026, with price per kWh, GST, tubular prices and cost per kWh delivered.
Inverter for a shop or office: how to size it
A step-by-step way to size an inverter and battery for a shop or small office, with sourced appliance watts, three worked examples, and when a UPS or a mains socket is the better choice.
Best inverter and battery for home in India: how to choose
A step-by-step way to pick the inverter and battery that suit your home: load in watts, VA rating, 12V or 24V, battery size, and tubular or lithium, with 1BHK to 3BHK examples.
Lithium battery for telecom towers: LFP vs VRLA in India
LFP vs VRLA for telecom towers in India: what TEC 67030 requires, whether a 48V pack needs 15 or 16 cells, and how to size a lithium battery bank for a site.