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Athena 25.6V 100Ah

LiFePO4 Solar Inverter Battery Pack

3500+ IP65 Rated Enclosure Grade A LiFePO4 Cells Advanced BMS
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Who should buy this?

Ideal for 2–3 BHK Indian homes, small clinics, retail shops, and solar-paired backup systems running on a 1.5–2 kVA inverter. If you're replacing two 150Ah tubular batteries, this is the direct upgrade.

Applications

Home backup

6–8 hours of typical home load (lights, fans, TV, Wi-Fi, fridge cycling) on a single charge.

Solar storage

Pairs with 1–3 kW rooftop solar inverters to store daytime generation for evening use.

Small commercial UPS

Reliable backup for billing systems, POS terminals, and small office loads.

Telecom edge sites

Compact backup for small cell sites and broadband distribution points.

Why lithium over lead-acid?

A single Athena 25.6V 100Ah pack outlives 4–6 tubular battery replacements over 10 years, weighs 60% less, requires zero maintenance, and is 95% efficient versus ~75% for lead-acid. On a per-kWh-delivered basis it's roughly 40% cheaper over its life.

Read the full comparison →

Performance vs lead-acid (typical)

Athena Lithium Lead-acid
Cycle life3500+300–500
Usable capacity90%50%
Round-trip efficiency95%+75%
MaintenanceZeroQuarterly
Lifespan10+ years3 years

Technical Specifications

Nominal Voltage25.6V
Capacity100Ah
Energy2.56 kWh
ChemistryLiFePO4 (Grade A)
Cycle Life3500+ @ 80% DoD
Charge Voltage29.2V
Max Discharge Current100A continuous
Weight~24 kg
Dimensions520 × 240 × 218 mm
BMSAthena Advanced BMS with active balancing
Protection layers15+ (OVP/UVP/OCP/SCP/OTP/UTP, thermal runaway)
EnclosureIP65 powder-coated metal
Operating temperature-20°C to 60°C
CertificationsBIS, UN38.3, IEC 62133
Warranty5 Years

Safety & BMS Technology

15+ Protection Layers

Over-voltage, under-voltage, over-current, short circuit, thermal runaway prevention.

Cell-Level Balancing

Active balancing keeps every cell uniform — extends real-world pack life.

Thermal Cutoffs

Over-temperature and under-temperature cutoffs to keep cells in their safe operating window.

Frequently Asked Questions

Will this work with my Luminous / Microtek / V-Guard inverter?

Yes — set the inverter to “tubular” or “lithium” mode (29.2V charge cutoff). We provide free setup guidance with every purchase.

How much backup will it give my home?

A typical 2 BHK load (~250–300W continuous) runs 6–8 hours. Add an AC and that drops to ~45 minutes.

Can I parallel two units for more capacity?

Yes — up to 4 packs in parallel, doubling capacity to 400Ah / 10.24 kWh.

Helpful Reading

Buyer Guide

Best Battery for Inverter in India (2026 Buyer's Guide)

A practical buyer's guide for choosing the right inverter battery in India — backup time, lifetime cost, and lithium vs lead-acid compared head to head.

Technical

What is a 12.8V 100Ah Lithium Battery? Full Guide

Everything you need to know about a 12.8V 100Ah LiFePO4 battery — what the numbers mean, real-world backup calculation, and who it suits.