Ask three manufacturers for a solar street light quotation and all three will probably write “5-year warranty” on the page. That single number is close to useless on its own. A warranty is not a duration; it is a set of components, coverage standards, exclusions, resolution methods and freight terms — and two quotations that both say five years can be worth very different amounts of money in year three.
This guide explains how to read a solar street light warranty the way a project engineer would: component by component, with measurable standards instead of adjectives, and with the claim mechanics written out before you sign the purchase order.
Why a Warranty Term Alone Tells You Almost Nothing
A solar street light is four products in one housing: an LED light source, a solar panel, a rechargeable battery and a charge controller, wrapped in mechanical and waterproofing construction. These components age at very different rates, and they fail for different reasons. A battery that loses capacity in a hot climate is a wear item, not a defect; a controller that dies in month ten is a quality failure. A warranty that lumps all of them under one number is hiding where the risk actually sits.
In practice, the components that decide your maintenance cost are the battery and the controller, not the housing. That is also where the vague warranties do their hiding.
Read the Warranty Component by Component
A serious export warranty splits coverage by component and attaches a measurable standard to each line. The table below shows the structure, using the component terms we publish in our own policy as the reference format:
| Component | Typical term | Measurable standard | What to ask your supplier |
|---|---|---|---|
| LED light source | 5 years / 50,000 hours | L70: luminous flux maintained at or above 70% of initial output | Is the failure standard stated as lumen maintenance (L70), tested per IES LM-80 methodology, or just “defective parts”? |
| Solar panel | 5 years | Output power not below 80% of the initial rated value | Is degradation quantified, and which module standard is referenced (e.g. IEC 61215 qualification practice)? |
| LiFePO4 battery | 5 years | Capacity retention at or above 70% of rated capacity | Is the chemistry named (LiFePO4 vs ternary NCM), and is the retention percentage written down? |
| Ternary lithium (NCM) battery | 3 years | Capacity retention at or above 70% of rated capacity | If NCM is offered at a lower price, is the shorter term stated explicitly in the quotation? |
| Charge controller | 3 years | Fault rate below 0.5% under normal operating conditions | Is the controller covered separately, or silently bundled into a shorter overall term? |
| Housing, shell and waterproofing | 5 years | No corrosion, deformation or structural cracking under normal use | Is ingress protection referenced to the stated IP rating (per IEC 60529), and is water ingress beyond that rating a warranty case? |
If a quotation only says “5-year warranty” with no component table, the number is marketing. Ask the supplier to send the warranty certificate template before you order — every shipment should carry one, and a manufacturer who has one ready can produce it in minutes.
When Does the Clock Start: Shipment, Delivery or Installation?
For export projects this clause matters more than buyers expect. A common formulation starts the warranty on the date of shipment from the factory, not on installation or delivery. On a project with a 6 to 10 week ocean transit, inland haulage, customs and a phased installation schedule, the gap between shipment and switch-on can easily eat 10 to 15% of a five-year term.
Neither starting point is wrong, but you should know which one your contract uses, because it changes what “five years” is worth. If your project has a long gap between arrival and commissioning, ask for a warranty extension option or a start date tied to delivery at the project site — and get the answer in writing, not in a sales call.
Battery Chemistry Sets the Term You Get
The battery is the component with the widest spread between good and bad warranties, and the term is usually a function of chemistry. Lithium iron phosphate (LiFePO4) tolerates deep cycling and high ambient temperatures far better than ternary NCM cells, which is why a 5-year LiFePO4 term and a 3-year NCM term appear side by side in many manufacturers’ policies — including ours.
This has two practical consequences. First, when you compare quotations, normalise the battery line: a cheaper unit on NCM at 3 years is not directly comparable to a LiFePO4 unit at 5 years, and in a hot climate the difference is usually larger than the price gap. Second, check which chemistry is actually installed in each model you order — the capacity retention commitment (typically 70% at term end) should be traceable to the exact pack in your shipment. Our comparison of LiFePO4 and lead-acid batteries in tropical climates covers the operating side of this choice.
Exclusions: Normal Clauses vs Red Flags
Every warranty excludes something. The question is whether the exclusions describe genuine limits of the product or simply move every plausible failure onto the buyer. The table below separates the two:
| Exclusion clause | Assessment | Why |
|---|---|---|
| Damage from improper handling, unauthorised disassembly or unauthorised modification | Normal | Opening a sealed IP65 luminaire or rewiring a battery pack genuinely destroys the protection design; no manufacturer can cover field surgery |
| Force majeure: lightning, typhoon, flood, earthquake | Normal | Insurable events beyond engineering control; check whether your project insurance picks this up |
| Water ingress beyond the product’s stated IP rating | Normal, if the rating is honest | An IP65-rated luminaire (tested per IEC 60529) is not specified for submersion; ingress within the rating, however, should be a warranty case |
| Installation that does not follow the product manual | Normal, with a caveat | Fair if the manual is complete and supplied before installation; a red flag if the “manual” is a one-page leaflet |
| “All labour and on-site costs excluded” in years 1–5 | Red flag | On a 6 m pole, labour is the expensive part; a warranty that only covers the part covers a fraction of the failure cost |
| “Warranty void if used outside ideal conditions” undefined | Red flag | An undefined escape clause can be applied to any claim; ask for the exact conditions in writing |
Replacement, Spare Parts and Who Pays Freight
A warranty is only as good as its resolution ladder. The structure that works in export projects is a two-stage approach: replace complete units in the first year, then supply spare parts for on-site repair in the following years. Replacement of a whole fixture in year four would be economically absurd for both sides; the honest question is whether the spare parts stream will actually exist.
Three things to pin down before signing. First, the resolution method per year: complete-unit replacement in year 1, spare parts supply from year 2 onward is a reasonable and common structure. Second, freight responsibility: many policies have the manufacturer bear shipping for year-1 replacements and the buyer bear it for later spare parts — know this before you commit to a service-level promise of your own. Third, duties and destination customs are the importer’s responsibility in all cases; no manufacturer can clear customs in your country on your behalf.
The spare-parts question deserves its own purchase-order line: ask the supplier to confirm, in writing, that controllers and battery packs for your exact model will remain orderable for at least the warranty term plus two years. A controller that is discontinued in year two turns a 3-year controller warranty into paper.
The Claim Process a Supplier Should Be Able to Describe in Writing
Before you order, ask the supplier to describe their claim process in writing. A process that exists on paper looks like this: you send the order number or product serial number, photos or a video of the fault, photos of the installation environment and a short written description; the supplier acknowledges and replies with an assessment and proposed resolution within a stated response window — 24 to 48 business hours is a reasonable standard for straightforward cases, with longer timelines flagged for laboratory-level faults.
Serial numbers are the quiet enabler here. Every shipment should carry serial number records in the shipping documents, and you should keep them with the project file. A claim that can be verified against a serial number in minutes is a claim that gets processed; one that starts with “prove you bought it from us” can stall for weeks.
Ten Questions to Send Before You Sign
- Please send the warranty certificate template for this model — the exact document that ships in the box.
- Which components are covered, for how long, and what is the measurable standard per component (L70, output power, capacity retention, fault rate)?
- Which battery chemistry is installed in this model, and does the warranty term differ by chemistry?
- Does the warranty start on shipment from the factory or on delivery at site?
- What is the resolution method in year 1 versus years 2 to 5?
- Who pays freight for warranty shipments in each year, and who handles destination duties and customs?
- What is excluded, and can any exclusion be applied to void the warranty without a defined condition?
- Will controllers and battery packs for this model remain orderable for the warranty term plus two years?
- What materials do you require for a claim, and what is your response time after receiving them?
- Can I see the component coverage table from your standard warranty policy, not just the quotation line?
The same document-review logic applies earlier in the buying process: our factory audit checklist covers what to verify on site before the warranty is ever needed.
What the Qichenshop Warranty Actually Says
Qichenshop is the export brand of Jiangmen Qichen Lighting, a solar and LED lighting manufacturer in Guangdong, China. The company has manufactured solar-powered street lights since 2010 and was first registered as Zhongshan Qichen in 2013. The full policy is published on our warranty policy page, and a formal warranty certificate in PDF format travels with every shipment, backed by a paper copy in the box.
| Term | What it means in practice |
|---|---|
| 5-Year Limited Warranty | Applied across the 28-model range, with component-level terms as in the first table above — LED source, panel, LiFePO4 battery and housing at 5 years; NCM battery and charge controller at 3 years |
| Battery chemistry on record | Our all-in-one and split lines, including the A01 split series and the A21 all-in-one series, ship with brand-new Grade A LiFePO4 packs, which is what the 5-year battery line is based on |
| Claim mechanics | Serial-numbered shipments, a 24 to 48 business hour response window on complete claim materials, complete-unit replacement in year 1 and spare parts supply in years 2 to 5 |
| Freight and duties | Qichenshop bears shipping on year-1 warranty replacements; years 2 to 5 spare-part freight is the customer’s; destination duties and clearance are always the importer’s |
OEM orders start from a minimum of 50 units. Typical production lead time is 15 days after deposit, with payment by T/T at 30% deposit and 70% against shipping documents, and the warranty certificate is issued with the shipment documents.
If you are preparing a tender or a distributor programme and want the warranty wording reviewed against your service commitments, send us the draft terms and the target models — we will confirm in writing which component terms apply. Contact Qichenshop with your model codes, or browse the full product catalogue.
