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5FT vs 6FT LED Batten Lights: Watts, Lengths and Uses
A practical procurement comparison of 5FT and 6FT LED batten lights: wattage classes, lumen expectations, application fit, contrast with 4FT aluminum battens, and a pre-order checklist for B2B buyers sourcing from a China manufacturer.
What 5FT and 6FT actually mean
In LED batten specification sheets, 5FT and 6FT are nominal housing lengths, not the illuminated length you measure with a tape. A 5FT batten typically ships with a housing around 1500mm nominal, and a 6FT around 1800mm nominal, but end caps, cable entries and mounting brackets add or subtract a few millimetres depending on the extrusion and diffuser profile. Buyers checking clearance in a garage ceiling joist bay or a warehouse rack aisle should ask for the overall length and the distance between mounting centres, not just the nominal size.
This matters because the same nominal length can carry different wattages depending on driver placement, chip count, and whether the body is extruded aluminum or full PC. A 5ft batten light is not simply “a 4ft with extra LEDs”; it uses a different board and often a different driver current to hit its output class. ENSHINE Lighting has manufactured linear LED fixtures since 2006, and the most common buyer confusion we see is treating length as a fixed proxy for power. It is not.
Wattage and lumen expectations
There is no universal wattage tied to a nominal length. In the current market, 5ft LED batten models commonly sit in the 30–40W class and 6ft models in the 40–50W class, but exact values vary by driver and chip — request the datasheet rather than assuming a number from another supplier’s listing.
What you can control is efficiency. ENSHINE’s aluminum batten platform runs at 120lm/W, which is a useful anchor: a 36W aluminum batten at that efficiency delivers roughly 4,320 lumens. If a 6ft batten is quoted at 50W with the same 120lm/W platform, expect roughly 6,000 lumens. Those are calculated from the rated efficiency, not measured on every unit — run a sample test before signing off a bulk order.
Two more numbers matter for retrofit work:
- Input range: AC90–265V on ENSHINE’s aluminum batten, which matters for markets with unstable line voltage or 110V/220V mixed sites.
- Colour temperature and CRI: 2700K–7000K with CRI>80. In warehouses and workshops, 4000K–5000K usually reads as neutral task light; in retail back-of-house, warmer CCT hides dust and matches ambient lighting better.
If the project needs a specific lumen figure for a lighting design submission, do not accept a generic “about 5,000 lumens”. Ask for the LM-80 or IES file for the exact model and confirm with your supplier.
Where each length fits
Length selection is mostly about spacing to wall and spacing between rows, not about the room name on the door.
5FT LED batten
5ft battens suit spaces where you want fewer fixtures than a 4ft layout but cannot fit an 1800mm housing:
- Double garages and workshops: a 5ft fixture across the short axis of a two-car bay gives even coverage without the hotspot you get from two shorter battens end-to-end.
- Retail back-of-house, stockrooms and corridors: the 30–40W class is enough for 2.4–3m ceilings when rows are spaced 2.5–3m apart. Confirm spacing against a lighting layout for the actual ceiling height.
- Retrofit of twin 4ft fluorescent fittings: a single 5ft LED batten often replaces two 4ft tubes in the same run, reducing fixture count and labour.
6FT LED batten
6ft battens are the workhorse for longer runs and higher bays:
- Warehouse aisles and racking: the longer body means fewer joins and fewer power drops per linear metre. At 120lm/W, a 40–50W 6ft batten is a reasonable starting point for 4–6m mounting heights — verify against a photometric plan.
- Production halls and assembly lines: continuous 6ft runs over workbenches reduce shadow gaps compared with staggered 4ft or 5ft units.
- Agricultural and cold-storage anterooms: where condensation is a risk, specify an IP-rated batten rather than a standard indoor model. See the tri-proof LED batten guide for warehouses and parking garages for the selection logic on IP65 fixtures.
5FT/6FT vs the 4FT aluminum batten
The 4FT 36W aluminum batten remains the highest-volume indoor linear format. Its body is 1.00–1.20mm thick aluminum, available from 18W to 36W, with the same AC90–265V input, 2700K–7000K CCT range, CRI>80, 120lm/W efficiency and 5-year warranty. The 4FT 36W aluminum LED batten is the reference point buyers compare against when they ask about 5ft and 6ft.
The trade-offs when you move up in length:
| Consideration | 4FT aluminum batten | 5FT / 6FT batten |
|---|---|---|
| Typical use | General indoor, offices, small workshops, garages | Larger garages, warehouses, production halls, long runs |
| Wattage (ENSHINE) | 18W–36W | Confirm specific model with supplier; market 30–40W (5ft) and 40–50W (6ft) |
| Efficiency | 120lm/W | Same platform possible; confirm datasheet |
| Warranty | 5-year | Varies by series; confirm at quotation |
| Body material options | Aluminum 1.00–1.20mm | Aluminum, full PC, iron + PC diffuser depending on series |
Note that ENSHINE also builds a full PC batten range from 20W to 80W and a 116mm wide full PC batten, plus a 100W industrial batten with iron body and PC diffuser that delivers 12,000LM at 100W and is rated to replace dual 58W fluorescent tubes (2-year warranty). If your 6ft project needs high bay-level output, that industrial series is the more appropriate starting point than a standard linear batten.
For a broader view of linear formats, 3-CCT options and OEM considerations, the LED batten light buying guide covers the full matrix.
What to confirm before ordering
Before you place a bulk order for 5ft or 6ft LED batten lights, work through this checklist. It is written for importers, wholesalers, and project buyers who need a repeatable supply, not a one-off sample.
- Exact overall length and mounting centres. Nominal 5FT/6FT labels are not dimensional guarantees.
- Wattage and lumen output at your target CCT. Output drops at warmer CCT on some chip platforms; request the datasheet per CCT.
- Diffuser material and flame rating. PC vs aluminum body changes heat management and impact resistance. Confirm which series you are quoting.
- Driver brand and input range. AC90–265V covers most 110V/220V markets; isolated vs non-isolated driver affects certification scope.
- Warranty terms per series. ENSHINE’s aluminum batten carries 5 years and the industrial 100W series carries 2 years — do not assume one warranty applies across all lengths.
- Sensor or emergency options. If you need PIR, reference the LED batten with PIR motion sensor rather than betting a standard model will accept an add-on.
- Packaging and carton dimensions. A 6ft batten changes container loading versus 4ft; confirm carton length and master carton quantity before finalising freight.
- Certification documents for your destination market. Confirm which certificates apply to the exact model and length, and request copies. Do not assume a family approval covers every length.
- Sample lead time and MOQ. Ask your supplier directly; these vary by series and customisation.
ENSHINE manufactures in-house with plastic injection, aluminum stamping, die casting, and LED driver assembly. That vertical integration matters when you need a 5ft or 6ft length that is not a stock SKU — the housing and driver can be tooled or configured for OEM/ODM programs. Browse the full LED batten light range or contact ENSHINE with your target length, wattage, CCT and certification requirements.
FAQ
Not automatically. Brightness is a function of wattage and efficiency, not length. A 36W 4ft and a 36W 5ft on the same 120lm/W platform deliver the same lumens; the 5ft spreads them over a longer body. Compare lumens per watt, not length.
Often yes, if the retrofit point can supply the higher wattage and the mounting centres match. Check the existing fixture’s ballast removal requirements and confirm the LED batten’s input range and driver compatibility with your supplier.
Standard indoor 6ft battens are not IP-rated for washdown or condensation. For damp or dusty environments, specify an IP65 tri-proof fixture. See the tri-proof guide linked above for the selection criteria.
Not always. Longer boards may run at a different forward voltage and current. Confirm the driver specification for the exact length and wattage you are ordering.
Next step
5FT and 6FT battens are not a size upgrade of the 4FT — they are different tools for different layouts and mounting heights. Pick the length that matches your spacing and ceiling height, then confirm wattage and lumens against a photometric plan rather than a product photo. Send ENSHINE your target length, wattage, CCT, body material and destination market, and request the datasheet plus a sample for the specific model you intend to order.
