Free tools · No signup · AmpereX Pakistan

Pakistan's battery & solar calculator hub

Size load shedding backup, solar storage, and e-bike packs in minutes. Every tool shows watts, Ah, voltage, real products, and a WhatsApp quote — built for Lahore, Karachi, Islamabad, and nationwide installs.

17 GW panels

Solar imports (2024 est.)

1.25 GWh

Battery imports (2024)

15–18%

Households with solar

Rising PKR/kWh

Grid tariff pressure

Most used calculators

Tap a button to open the tool — each card shows who it's for and what results you'll get. Free PDF report and WhatsApp quote after every run.

Popular

Load & Backup Calculator

Size batteries for fans, fridge, lights, and load shedding backup.

Best for: Homes, apartments & shops

You get: Total W · Wh needed · 12/24/48V Ah · inverter VA · catalog matches

Popular

Solar System Sizing

Estimate kW solar and panels from monthly units.

Best for: New rooftop solar buyers

You get: System kW · panel count · battery kWh

Popular

Solar Battery Sizing

kWh storage for evening and load shedding.

Best for: Evening self-consumption

You get: Night storage kWh/Ah for hybrid inverters

All calculators

14 free tools for power, solar, and e-mobility — pick by category below.

Power Calculators

Load shedding, UPS, WiFi & CCTV

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Load & Backup Calculator

Size batteries for fans, fridge, lights, and load shedding backup.

Best for: Homes, apartments & shops

You get: Total W · Wh needed · 12/24/48V Ah · inverter VA · catalog matches

Battery Runtime Calculator

See how long your existing battery will run your load.

Best for: Existing battery owners

You get: Estimated backup hours at your current load

Battery Bank Sizing

Design parallel/series battery banks for inverters.

Best for: Multi-battery inverter banks

You get: Bank voltage, total Ah, kWh capacity

UPS / Inverter Sizing

Match inverter VA/kVA to your total appliance load.

Best for: Home & office UPS installs

You get: Recommended inverter VA/kVA for your appliances

Solar Calculators

Rooftop kW, storage & bill savings

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Solar System Sizing

Estimate kW solar and panels from monthly units.

Best for: New rooftop solar buyers

You get: System kW · panel count · battery kWh

Solar Savings Calculator

Monthly bill savings and payback estimate.

Best for: High electricity bills

You get: PKR/month savings · simple payback years

EV Calculators

E-bikes, range & PKR per km

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Built for Pakistan's energy reality

load Shedding

Despite grid improvements in major cities, scheduled and unscheduled outages still drive UPS and inverter demand across Punjab, Sindh, and KPK. Households plan for 2–6 hour backup windows; shops and freelancers often need 8–12 hours for routers and POS systems.

solar Adoption

Pakistan added an estimated 17 GW of solar panel imports in 2024 alone, with distributed rooftop capacity growing far faster than official net-metering records. HIES 2024–25 suggests roughly 15–18% of households now use some form of solar lighting or electricity.

battery Storage

IEEFA reports Pakistan imported about 1.25 GWh of batteries in 2024, with hybrid inverters and evening self-consumption replacing daytime-only solar export. LiFePO4 payback versus grid tariffs is often cited at 3–5 years for homes despite import duties.

residential Backup

Rising grid tariffs and falling lithium prices push families from tubular lead-acid to 12V/48V lithium for fans, fridge, and WiFi during load shedding. Typical home targets: 1–3 kWh for essentials, 5–15 kWh for AC-inclusive backup.

commercial Backup

Shops, clinics, and small offices combine solar + battery + generator for uptime. CCTV, fiber ONT, and POS loads are steady 24/7 draws—sizing often starts at 300–800 W continuous.

ebike Growth

E-bikes and e-rickshaws are among the fastest lithium adoption segments in urban Pakistan, with 36V/48V/60V packs replacing lead for range and weight savings.

lithium Adoption

Local assembly of lithium packs is expanding alongside Chinese imports. AmpereX focuses on LiFePO4 for solar, UPS, and e-mobility where cycle life and safety matter in hot climates.

Sizing guides with calculators built in

Scenario pages with pre-filled loads — each links to the best matching calculator.