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Guides for buyers sourcing home batteries

Written for the person who has to sign the purchase order: what changes between ODM and OEM, what can actually be customised, where an MOQ comes from, what a 10 kWh system costs, and how to qualify a supplier without flying to China.

ODM vs OEM for home batteries: what actually changes

ODM means the factory owns the design and your brand goes on it; OEM means the design is yours. On 10 kWh LFP home batteries most "OEM" offers are ODM with a new label. Here is what actually differs, and why certification ownership decides it.

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Private label home battery: what can be customised, and what cannot

A realistic list of what changes on a private label home battery at 50, 200 and 1000 units, what does not change at any sane volume, and what each change does to your certification.

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How MOQ is really calculated for a private label battery

MOQ is not a policy number a supplier invents. It is the largest of six arithmetic floors: cells, sheet metal, harness, printing, packaging and certification scope. Worked example included.

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What a 10 kWh private label battery actually costs

Cost stack for a 10.24 kWh LFP home battery: cell pack, hybrid inverter, assembly and test, and what is not in the ex-works price. Based on a June 2026 supplier quotation, with estimates labelled as estimates.

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Eight questions that separate a trading company from a factory

A practical checklist for qualifying a Chinese home battery supplier: certificate holder, cell traceability, spare BMS boards, who signs the declaration, line verification, year-six service, warranty exclusions, and real defect rates.

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How these were written

Numbers with dates, or no numbers

Every figure in these guides carries a source and a date, and anything that is our own estimate is labelled as an estimate rather than dressed up as a market fact. Where we do not have a verified number, we describe the process instead of inventing one.