Brands · Batteries · Sep 2026 street lists
Phoenix
TX-2500 tubular is the budget UPS. RLW-5.4 LFP exists if you want the same brand on lithium.
Origin
Pakistan
Service in PK
Tubular shop + LFP RLW
Pick / skip
Pick: Tubular UPS or RLW LFP value.
Skip: Night 1.5-ton on tubulars.
How we use it
TX-2500 is tubular UPS — water, 50% DoD, four-in-series 48 V, flooded program. RLW-5.4 is LFP — no water, CAN, 90% DoD, indoor. Do not mix TX and RLW on one port. /manual-tubular and /manual-lfp.
All user manuals · Commissioning · LFP · Tubular · Apps · Faults
Official manuals & datasheets
OEM PDFs live on the manufacturer site (and in the carton). We do not host pirated copies. Our operating manuals are original Zarkaar pages plus these manufacturer hubs. If the carton disagrees, the carton wins.
Batteries
| Model | kWh | V | Chem | Street PKR | DoD | Cycles | Warranty | Note | |
|---|---|---|---|---|---|---|---|---|---|
| UPS | TX-2500 12 V 200 Ah tubular | 2.4 | 12 | Flooded tubular | 45–65k | 50% | ~1200 | shop | Four ≈ one 5 kWh LFP usable. |
| DEFAULT | RLW-5.4-X1 LFP | 5.4 | 51.2 | LFP | ~275k | 90% | 4000+ | brand | Phoenix lithium line. |
How to use each battery
TX-2500 12 V 200 Ah tubular
UPS chemistry. 50% DoD, distilled water, flooded program on the inverter — never PYL/lithium voltages. Four 12 V in series for 48 V, matched age/brand. Four ≈ one 5 kWh LFP usable.
RLW-5.4-X1 LFP
51.2 V LFP. Switch OFF, red +, black −, CAN-IN to inverter, protocol not USE, first charge to 100%, indoor under 45 °C. LCD charge current at or under the pack rating. Phoenix lithium line.
Bands from Sep 2026 published lists. Confirm the lot flash / CAN protocol the week you book. Follow the carton user manual if it disagrees with a WhatsApp PDF.