EV Battery Calculators & Free EV Tools
Free tools to calculate battery replacement costs, check degradation before buying used, and compare EV running costs against petrol.
Choose the Right EV Calculator
Match your question to the right tool to get verified numbers without digging through complex spreadsheets.
| Your Question | Recommended Tool | Primary Input & Output | Action |
|---|---|---|---|
| How much will my electricity bill increase from charging? | EV Charging Cost Calculator | Input state tariff + battery kWh → Output cost per session & monthly bill | Calculate → |
| How long will my car or scooter take to charge from 20% to 80%? | Charging Time Calculator | Input charger kW + SOC range → Output duration with taper curve & ready clock | Estimate → |
| How much will an out-of-warranty replacement battery cost? | Battery Replacement Cost | Input vehicle model → Output OEM pack vs module repair quote & scrap offset | Calculate → |
| Is this used electric car or scooter battery still in good health? | Used EV Health Estimator | Input age, km & fast-charge frequency → Output estimated SOH% & resale deduction | Test SOH → |
| How much money will I save every year compared to petrol or diesel? | EV vs Petrol Running Cost | Input daily commute + fuel prices → Output cost per km & 5-year TCO savings | Compare → |
| Which electric scooter offers the best real-world highway range? | EV Scooter Comparator | Select 2 or 3 scooters → Side-by-side 12-dimension spec matrix with owner quotes | Compare → |
| When was my battery manufactured and what chemistry does it use? | 21-Digit BPAN Decoder | Input 21-character serial → Output manufacturing date, chemistry (NMC/LFP), origin | Decode → |
Explore All Dedicated EV Tools
Each tool solves a specific ownership or purchasing question with verified Indian automotive telemetry.
EV Charging Cost Calculator
Inputs: Vehicle model/kWh, state utility electricity tariff, SOC start/target, monthly distance.
Outputs: Single session expense (Home AC vs Public DC Fast), cost per km, and monthly power bill.
EV Charging Time Calculator
Inputs: Battery pack capacity, charger power rating (1.4 kW to 100 kW+ DC), current and target SOC.
Outputs: Precise charge time in hours/mins, 80% BMS taper slowdown phase, and ready-by clock.
Battery Replacement Cost Calculator
Inputs: Vehicle model (Tata, Ola, Ather, TVS, MG), pack capacity, warranty status.
Outputs: Factory pack replacement cost vs module repair quote, scrap buyback credit, and GST.
Used EV Health Estimator (SOH)
Inputs: Vehicle age, odometer km, cell chemistry, climate zone, fast charging frequency.
Outputs: Estimated State of Health (SOH %), remaining useful lifespan, and fair resale deduction.
EV vs Petrol Running Cost Calculator
Inputs: Fuel price, electricity tariff, vehicle mileage, annual distance, ownership horizon.
Outputs: Energy cost per km, 5-year total cost of ownership, and breakeven payback timeline.
EV Scooter Comparator (12 Dimensions)
Inputs: Choose up to 3 scooters (Ola S1 Pro, Ather 450X, TVS iQube, Bajaj Chetak).
Outputs: Real road range vs ARAI, battery warranty, LFP vs NMC safety, boot space, and verified owner quotes.
21-Digit BPAN Decoder
Inputs: 21-character alphanumeric code printed on battery pack label or QR code.
Outputs: Exact manufacturing month/year, cell chemistry (NMC vs LFP), pack voltage, and assembly origin.
Brand-Specific Verification Portals
Targeted BPAN inspection instructions, label locations, and warranty claim rules for top Indian EV makers.
Ola S1 BPAN Decoder
Ola S1 Pro, Air & X battery verification, NMC vs LFP guide, and 8-Yr warranty claim rules.
Ola Decoder Portal →Tata Nexon EV Decoder
Tata Ziptron LFP battery pack verification, 30/40.5/45 kWh decoding, and 1.6L km warranty rules.
Tata Decoder Portal →Ather 450X Decoder
Ather 450X & Rizta aluminum casing serial check, NMC safety standards, and Battery Protect rules.
Ather Decoder Portal →TVS iQube Decoder
TVS iQube S & ST dual battery module decoding, firmware compatibility, and replacement valuation.
TVS Decoder Portal →