Fronus Titan 24V 100Ah (2.56 kWh LiFePO4)

The Fronus Titan 24V 100Ah is the small-system entry in Fronus's lithium wall-mount range — a 2.56 kWh nameplate (retailed as 2.4 kWh) LiFePO4 pack for the 24V hybrid inverters that run Pakistan's 1-3 kW budget solar setups. As of 2 August 2026 it costs Rs 120,000 at the authorized dealer and Rs 116,000 at 1StopShop, both in stock.

It is the same story as its 5.12 kWh sibling in a smaller box: SolaX-design hardware under a Pakistani brand, real LiFePO4 chemistry, a 5-year written warranty, and a per-kWh price that — while the cheapest brand-name option at this size — is still meaningfully worse than stepping up to 48V.

Specifications

Source: Fronus official Titan 25.6V 2.56kW spec page, checked 2 August 2026. Note the honest wrinkle in the family's cycle ratings: this 24V unit is rated >6000 cycles at 80% DoD while the 48V Titan claims >8000 at only 70% DoD — different promises that retail listings flatten into one "ultra-long cycle life" line.

Honest assessment

Pros. It is the cheapest brand-name LiFePO4 at this size in the market, it carries the same listed IEC 62619/UN38.3 certifications, RS485/CAN ports, and touchscreen as the bigger units, and at 23.4 kg one person can actually mount it. For the huge installed base of 24V Voltronic-family hybrids (including Fronus's own Eco 4200 line), it is a drop-in lithium upgrade path from a dying tubular bank. Delivered-energy math: if the rating held, Rs 120,000 over 6,000 cycles x 2.0 kWh is Rs 10 per kWh delivered; at half the claimed cycles, Rs 20/kWh — still a third of Rs 50-65 evening grid power.

Cons. Per kWh it is poor value next to its own sibling: Rs 46,900/kWh nameplate versus Rs 38,100 for the 48V unit. IP21 restricts it to genuinely dry indoor walls. The 100A ceiling (1C) is fine for essentials but leaves no headroom for motor-start surges on bigger loads. Official documentation is thin — no published parallel-expansion limit or warranty terms document — so any "you can add more later" promise from a dealer needs to be in writing. And as with all Fronus lithium, the design is rebadged SolaX and the warranty entity is the local distributor chain.

Who should buy. Owners of an existing 24V hybrid inverter replacing a tubular bank, or buyers of a deliberately minimal 1-3 kW essentials-only system. Anyone specifying a new system from scratch should compare the total cost of a 48V inverter plus the Titan 48V 100Ah before defaulting to 24V — the per-kWh gap usually pays for the better inverter.

Pakistan reality check

The tubular-upgrade trap. This battery's core market is people replacing 2 x 12V tubular batteries on an existing 24V inverter. That swap fails more often from protocol mismatch than from any hardware fault: an inverter left on tubular charge settings will overcharge lithium, and a BMS that cannot talk to the inverter reports garbage SOC. Our BMS guide documents these failures. Before paying, confirm your inverter model supports this battery via RS485/CAN or has a correct lithium voltage profile — and make the installer demonstrate SOC reporting on the inverter screen at handover.

Heat and placement. Charge window 0-45C per the official spec. Indoor, shaded wall, away from the inverter's own heat exhaust. A west-facing garage wall in Sindh summer will push cell temperature past the comfort zone daily — heat is what actually kills batteries here, not cycling.

Warranty-claim reality. 5 years via the Fronus distributor network; the warranty comparison table explains why the cycle number is not a claimable term. 1StopShop's 7-day return window is a shop policy, not the warranty. Invoice with serial number, compliant installation, and the dealer's name on record — that is the whole claim file. Do the payback math with the 5-year horizon, not the 6,000-cycle one; if it still pays, the cycles are upside.

Sizing honesty. 2.0 kWh usable is an essentials battery. Run through how many kWh you actually need before buying one of these to "run the AC a bit" — it will not, and that mismatch is the most common buyer regret at this size.

Price context vs rivals (August 2026)

There is no meaningful brand-name 2.5 kWh lithium competition at this price — the real competitors are a pair of tubulars (Fronus's own 220Ah pair actually costs more upfront than this battery; cheaper generic tubular pairs exist, but all of them are brutal on the Rs-per-cycle math) and Fronus's own 48V unit (better value if your inverter allows it). See the Fronus hub for the full lineup and the rebadging story.