Lithium battery guides: prices, sizing and battery life
Practical guides on inverter, solar, rack and EV batteries, written by founder Aum Parsana.
Latest 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.
AIS-156 for lithium battery packs, explained
What AIS-156 covers, what Phase 1 and Phase 2 of Amendment 3 require of a battery pack, who tests it, and which documents a buyer should ask to see. Written from the amendment's own text.
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.
Solar battery price in India: tubular and lithium per kWh
Tubular and lithium solar battery prices read from makers' own sites on 4 November 2026, in rupees per rated and usable kWh, with GST, backup hours and what PM Surya Ghar covers.
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.
E-rickshaw lithium battery price list in India (November 2026)
Dated prices for 48V and 51.2V e-rickshaw lithium batteries in India, worked out per kWh, with lead-acid set prices, GST, PM E-DRIVE support and a buying checklist.
Electric scooter battery price in India: 2026 guide
Scooter makers in India don't publish replacement battery prices. This guide shows what public numbers reveal, from Hero Vida's battery rental gap to online 48V and 60V listings.
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.