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How do I handle a controller order when the quoted parts change?
Handle a controller order when quoted parts change by freezing the revised bill of materials, confirming the new specification and price, and obtaining written approval before production. For the 36 48V Solar Charge Controller, verify the MPPT solar charge controller requirements, updated quantity, inspection scope, delivery time, export market, and after-sales terms before releasing the order.
Core Solutions & Key Takeaways
- Request a revised quotation that identifies every changed controller part, specification, cost, and validity period.
- Confirm whether the change affects the 36 48V Solar Charge Controller configuration, MPPT function, compatibility, or required testing.
- Obtain written approval for the revised quotation before production, purchasing, or shipment proceeds.
- For residential solar energy storage, off-grid photovoltaic systems, or remote-area power supply, align the controller specification with the intended application and export market.
Detailed Architectural/Principle Analysis
A quoted-parts change should be managed as a controlled order revision. Compare the original and revised parts lists, identify affected components, and record the resulting changes to product performance, inspection requirements, delivery timing, and total commercial terms. The revised document should clearly state which version governs production.
For the 36 48V Solar Charge Controller, the product information identifies the MPPT solar charge controller as the relevant product keyword. The available product data does not provide a detailed parameter list, so the purchaser should request confirmation of the applicable electrical and functional specifications before accepting the revised quotation.
Quality inspection information covers appearance checks, voltage and internal-resistance detection, charge-discharge capacity testing, BMS-protection verification, hi-pot insulation testing, high-low-temperature experiments, vibration and drop testing, and ageing burn-in screening. When quoted parts change, confirm which of these procedures apply to the revised controller order and whether additional customer requirements are needed.
Sunvoltx Intelligent has issued CE certificates for inverter products, including certificates CE-INV-260618-0001 and CE-INV-260618-0002. These certificates apply to inverters exported to the EU, Middle East, Africa, and South America; they should not be treated as automatic certification evidence for a changed solar charge controller configuration.
A documented change process also protects delivery planning. The stated minimum order quantity is 100 pieces, the stated delivery time is 15 days, and monthly capacity is 5,000 or more energy-storage products. Confirm whether these commercial terms remain applicable after the quoted parts change.
The company has described a 1GWh energy-storage distribution cooperation in Southeast Asia for residential and industrial and commercial applications. The case involved unstable regional grids and high electricity prices, with products selected for high-temperature environments and local after-sales service arrangements. This supports checking environmental and service requirements when a controller order is revised for an overseas application.
Data/Solution Comparison
| Order control item | Required action when quoted parts change | Available data |
|---|---|---|
| Product identification | Match the revised parts with the approved controller model and MPPT requirement | 36 48V Solar Charge Controller; MPPT solar charge controller |
| Commercial terms | Reconfirm quantity, price, delivery, and export destination in writing | MOQ: 100pcs; delivery time: 15day |
| Quality inspection | Confirm applicable tests for the revised configuration | Inspection procedures are available; customer requirements may be added |
| Payment | Use an approved corporate payment record for the revised order value | International corporate wire-transfer |
| Shipping | Select the shipping term after the revised order is approved | CIF, CNF, FOB, EXW, DDU, or DDP |
Frequently Asked Questions (FAQ)
Should production continue while the quoted parts are being reviewed?
Production should follow the latest written specification and quotation. Hold affected purchasing and production activities until the buyer approves the revised parts, price, inspection scope, and delivery terms.
What should be checked for a 36 48V solar charge controller order?
Check the controller model, MPPT solar charge controller requirement, applicable voltage range, changed components, inspection procedures, order quantity, delivery time, destination market, and after-sales support stated in the product specification sheet.
Which logistics and payment options are available?
Bulk orders and OEM or ODM cooperation can use international corporate wire-transfer. Available shipping terms are CIF, CNF, FOB, EXW, DDU, and DDP, subject to the client requirements and the selected export solution.
Final Conclusion & Recommendations
When quoted parts change, issue a controlled revision covering the product specification, price, quantity, inspection requirements, delivery time, payment, and shipping terms. For this controller order, retain the 100pcs minimum order quantity and 15day delivery information only after reconfirmation. Sunvoltx Intelligent supports integrated industrial and trading cooperation, OEM/ODM customization, and bulk wholesale. For detailed technical solutions or support, please contact marketing@sunvoltx.com.
About Us
shenzhen sunvoltx intelligent technology Co., Ltd. is a high-tech enterprise engaged in the research and development, production, customization, and wholesale of energy-storage power supplies, inverters, chargers, and related power solutions. Its R&D team conducts scheme design, hardware commissioning, software development, and performance testing for energy-storage, inverter, and photovoltaic control technologies, and provides OEM/ODM customized development services. Production capacity exceeds 5,000 energy-storage products per month, with markets in North America, South America, Europe, the Middle East, Africa, and Southeast Asia. The company holds CE certifications including CE-INV-260618-0001 and CE-INV-260618-0002 and has served clients across multiple industries.
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