Grade A 314Ah LFP Cell with 12000+Cycles High Capacity Long Cycle Life for ESS & EV

Product Overview

The GN-LF314 is Gotion's Grade A 3.2 V 314 Ah LiFePO4 battery cell, built in a hard prismatic case with threaded terminal studs on the top face and rated for at least 12,000 charge and discharge cycles. Each cell stores roughly 1,005 Wh at nominal voltage and delivers it at 178 Wh/kg and 385 Wh/L — figures that matter in a container or a plant room where every kilogram and every litre of enclosure space has to earn its place.

Much of what that capacity buys you is arithmetic. At the same nominal voltage a 314 Ah cell carries noticeably more energy than a 280 Ah or 304 Ah cell, so a given kWh target needs fewer parallel strings: fewer busbars, fewer sense harnesses and fewer bolted joints to torque and re-check. Fewer parts per MWh means less assembly labour and fewer places for a pack to go wrong.

Buyers turn to lithium iron phosphate battery suppliers for a cell like this when they are engineering the pack rather than buying one off a shelf: utility and grid-connected storage, commercial and industrial peak shaving, telecom and UPS backup banks, off-grid solar, and higher-power mobility packs where the BMS and thermal design are matched to the cell. Its flat discharge plateau keeps the DC bus steady through most of the working range, which simplifies balancing and keeps inverter behaviour predictable.

One boundary is worth stating plainly: this is a bare cell, not a finished battery. It arrives without a BMS, busbars, compression hardware or enclosure, and the finished pack is only as good as the parts built around it. Cells ship as matched batches with grading data, so everything going into one string starts from the same baseline.

Specifications

Cycle Life & Long-Term Value

• What 12,000 cycles means in service. One full cycle a day works out to roughly 32 years of throughput; two a day, about 16. Few packs ever die of cycle count alone — calendar ageing, heat and BMS behaviour usually get there first — but a higher rating buys headroom for sites that cycle hard every day.
• Degradation stays gentle. Gotion rates this cell for low capacity decay and strong high-temperature resistance, which in a rack that runs warm means less fade per year, longer intervals between rebalancing, and fewer service visits over the asset's life.
• Cost per delivered kWh is the comparison that matters. A cheaper lfp cell that has to be replaced once during the asset's life rarely beats a long-life cell bought once; run the numbers on delivered kWh across the whole service period, not on the quotation line.
• Where the extra life pays off. Daily-cycling duty — solar self-consumption, arbitrage, peak shaving — is where cycle life dominates the business case. A standby UPS that cycles a handful of times a year gets more from calendar life and low self-discharge than from a headline figure.
• lfp battery manufacturers do not all measure cycle life the same way. Depth of discharge, charge and discharge rate, ambient temperature and the chosen cut-off voltages all move the number, so ask for the test conditions behind any rating, this one included, before you put it into a financial model.
• Charging below freezing is the quiet killer. The charge window on this cell starts at 0 °C while discharge runs down to −30 °C, so any site that sees frost needs a BMS low-temperature charge cut-off. Getting that wrong damages cells faster than ordinary cycling ever will.
• Matched cells protect the rating. A 12,000-cycle specification is reachable only if every cell in the string ages at the same rate; sorting for voltage and internal resistance before assembly is what keeps a string together over the long run.

LiFePO4 Chemistry & Safety

Lithium iron phosphate holds its oxygen inside a strong phosphate bond, and that is the root of everything else buyers like about it. Where an NMC cell can enter thermal runaway once it passes a critical temperature, an LFP cell resists that chain for far longer — the chemistry is simply harder to push into a fire. For a container full of cells sitting beside a substation, that property is worth more than a few extra watt-hours per kilogram.

The second advantage is life. LFP tolerates deep, repeated cycling with good capacity retention, which is why this chemistry dominates stationary storage while NMC still wins where mass and volume are critical. At 178 Wh/kg this cell sits at the honest end of that trade: it is not the lightest lithium cell on the market, and it is not trying to be.

Cost and materials matter too. The cathode uses iron and phosphate rather than cobalt or nickel, so the raw-material base is cheaper and far less exposed to metals pricing, and the cell contains no toxic heavy metals and is straightforward to recycle at end of life. Self-discharge is low as well, so a pack can sit in storage or on standby for long periods without quietly losing its charge.

Two practical notes for designers. First, the discharge curve is flat, which is good for the inverter and awkward for state-of-charge estimation — coulomb counting is worth the money on this chemistry. Second, if your holder and busbar drawings were originally laid out around EVE LiFePO4 cells in this capacity class, check the dimensional row before you lock the tooling; capacities match more often than footprints do.

Grade A vs B-Grade Cells

• Definition. An A-grade LiFePO4 battery cell meets every parameter on its datasheet with zero defects. A B-grade cell fails one or more standard parameters but still functions, usually with minor flaws that show up in capacity, resistance or appearance.
• Cycle life. A-grade retains a high share of its capacity through the rated cycles; B-grade fades faster, so the two can look identical on day one and nothing alike in year four.
• Safety and stability. A-grade holds stable performance across operating conditions with full protection intact. B-grade is workable but carries a slightly higher risk under extreme conditions — exactly the conditions an outdoor cabinet eventually meets.
• Price. B-grade typically sells at 50%–90% of the A-grade price, sometimes lower. When a 314 Ah offer lands well under the market, the grade is the first thing to question.
• Why the gap matters more at this capacity. In a 314 Ah string the weakest cell sets the capacity of the whole string: one underperforming unit costs you the output of the other fifteen until it is found.
• Where prismatic cells LiFePO4 buyers reject actually fail. Rejections usually come down to internal resistance spread and batch consistency rather than headline capacity — hitting the number on a bench is easy, holding it across a thousand cells is not.
• Our sourcing position. Cells come from established lifepo4 battery manufacturers with grading data attached, and each batch is checked before it is packed for dispatch.

Incoming Inspection Checklist

1. Read the QR code first. On most A-grade cells the code is clear and traceable back to the batch. B-grade stock often carries a B marking or a code that has been covered or ground away. Reliability: medium.
2. Inspect the case before you test anything. Scratches, dents, rust, welding residue or a re-labelled sleeve are signs of B-grade or salvaged cells. Reliability: medium.
3. Measure voltage and internal resistance across the terminals. A four-wire internal resistance tester clipped onto the studs gives a reading in seconds; log every cell and look at the spread across the pallet rather than the individual number. A bench check with an HRM-10 tester reads around 3.20 V and 0.19 mΩ on a fresh cell — use that as a quick benchmark for the batch, not a fixed specification, and grade against the batch report. Reliability: high.
4. Spot-check capacity and batch consistency. A sample is enough to confirm the batch behaves consistently; a wide spread between cells is the signature of mixed or downgraded stock. Reliability: high.
5. Compare the price against the market. An offer 50%–70% below normal is unlikely to be A-grade. Reliability: medium.
6. Ask for the original batch reports and grading data. A supplier buying through established lifepo4 battery manufacturers can produce them; one who cannot is asking you to carry the risk. Reliability: medium-high.

Applications

• Utility and grid-connected ESS. Container-scale racks running daily arbitrage or frequency response, where cycle life and low fade decide the return. These are the prismatic cells LiFePO4 integrators stack into long series strings, and batch consistency matters there as much as the datasheet.
• Commercial and industrial storage. Peak shaving, demand-charge management and backup in a single cabinet; floor space in a plant room is finite, and 385 Wh/L helps keep the enclosure compact.
• Off-grid and solar self-consumption. Remote sites and microgrids charged by PV every day, where the battery has to survive years of daily cycling between service visits that cost more than the hardware — the duty lithium iron phosphate battery suppliers have built their stationary ranges around.
• UPS and telecom backup. Float-duty banks that must be ready after months on standby; low self-discharge keeps them healthy between events, and the cell's high-temperature tolerance suits cabinets without active cooling.
• EV and high-power mobility. Packs where 1C continuous and 3C peak cover acceleration and regenerative braking, and where an lfp cell is chosen over NMC because the chemistry is harder to push into thermal runaway in a vehicle that charges every day.
• Industrial and marine auxiliary power. Engine rooms and vessel compartments where the enclosure does the protecting; the cell itself is sealed, but the pack still needs a housing rated for the environment it sits in.

Pack Assembly Notes

1. Check the holder against the drawing. These are prismatic cells LiFePO4 pack builders will recognise immediately — terminal studs on the top face, hard case, flat sides — but confirm holder pocket, stud clearance and busbar routing against the dimension row before you cut metal.
2. Set the series count from the bus voltage. Sixteen cells in series give a 51.2 V nominal string, eight give 25.6 V. Configure pack cut-offs inside the per-cell working window so no single cell can run away from the rest.
3. Sort before you stack. Group the cells by voltage and internal resistance and keep each string inside a tight band; an lfp cell that starts 10% away from the rest will still be 10% away a year later, and the string follows its weakest member.
4. Torque to your busbar supplier's figure. The threaded studs take a bolted lug or busbar; use the torque the hardware maker specifies, re-check after the first thermal cycle, and never lever against a terminal while tightening.
5. Plan the compression and the end allowance. Prismatic cells expand and contract slightly as they cycle, so most pack designs clamp the stack and leave room at the ends. Confirm your fixture design before assembly rather than after.
6. Give the pack a thermal path. Cells in the middle of a stack run hotter than the ones at the ends; a plate or gap that lets heat out of the middle is what keeps the string balanced over years of cycling.
7. Commission with data. Record open-circuit voltage and internal resistance for every cell, photograph the build and keep the batch codes with the pack. When a question comes up two years later, that record is the difference between a five-minute answer and a site visit.

Ordering & Delivery

• Who you are ordering from. NOGI Power is a Shenzhen-based lithium battery supplier working across LFP and NMC cells, modules and custom packs for storage, EV and industrial projects, with OEM/ODM support for pack builds.
• Order quantity. No strict minimum order quantity applies, and small quantities can be arranged for testing — ask your sales contact about sample availability and the terms that come with it.
• Documentation. Orders can travel with MSDS, the UN38.3 test report, the cargo transport assessment report and the relevant certificate files. Cells hold UN38.3, CE, FCC, RoHS, IEC62133 and UL certification as applicable to the model, plus other regional certifications where a market requires them; confirm the exact list for your destination when you order.
• Shipping terms. FOB, CIF, DAP and DDP are all available for most countries, and DDP — door to door with duty paid — is the option most customers choose. Give us the destination port or warehouse address and the term is quoted against it.
• Packing. Cells are packed to the transport requirements for lithium cells, with terminal protection and cell-level insulation, then palletised for container loading. Tell us if your warehouse needs a particular pallet footprint or labelling.
• Repeat batches. Because we buy continuously from the same lfp battery manufacturers, the cells in your next order come from a comparable batch — which matters when you are matching packs built months apart.
• OEM/ODM. Battery pack OEM and ODM work is available: send the mechanical drawing, the voltage and capacity target and your BMS preference, and the pack is configured around this cell or another model in the range.
• Range behind this cell. Besides this model, the shelf covers Gotion, CATL, CALB and EVE LiFePO4 lines in the 280–314 Ah class, NMC cells, modules and complete packs, so a project with mixed requirements can be consolidated into one shipment.
• Warranty and lead time. Cells carry a 2-year warranty. Lead time depends on quantity, destination and the shipping term you choose, so confirm both with your sales contact before you schedule production.

Customer Reviews

Our growth comes from every customer's recognition, and most of it arrives quietly — a second order, a third container, a buyer who sends the same drawing back for the next project. Pack assemblers and ESS integrators tend to judge a cell supplier on a short list: whether the cells arrive matched, whether the paperwork is already in the box, and whether somebody answers when a batch reads oddly on the bench.

Those are the things we work on. Batches are checked before dispatch, test data travels with the goods, and the person who quoted the order stays on it through delivery. When a customer reports a reading that does not match the report, we want the batch code and the tester reading the same day, not a claim form three weeks later.

We would rather earn the repeat order than the first one, which is why the advice here leans towards checking, sorting and testing before you commit a full project. A cell that suits your pack is worth more than a cell selected only on unit price.

314 Ah Cell Comparison

Quality Control & Inspection

Every order is checked before it leaves us. In-depth partnerships with CATL, CALB, EVE, Farasis and other leading manufacturers give us traceable, original-brand cells, and our team runs a full inspection pass on every shipment, with sampling checks on packaging and labels. Anything that fails is held back, replaced and reported to you before dispatch. You are welcome to send your own inspector or appoint a third-party agency; we arrange access, samples and the documents they need, and the same paperwork travels with the goods.

FAQ