32700 vs 32650 LiFePO4 Cell
This guide compares the 32700 and 32650 LiFePO4 cell formats as they appear in the listed packs on this site. It is a category guide, not a product page for a cell on its own. Neither format is offered here as a standalone product with its own pack-level specification.
What the numbers mean
The numbers in a cell format name describe the cell's size class in a standard coding scheme, where the first digits relate to diameter and the following digits relate to length. A 32700-format cell is in a larger size class than a 32650-format cell, which means it typically offers a larger capacity per cell, all else being equal. That size difference is a general point about the formats, not a specification for a particular cell, because cells within a format can still differ in capacity, current rating and internal resistance depending on their design.
The listed packs on this site use 32700-format cells in several models, including the 12V packs and the 24V 60Ah pack, which uses a 33140-format arrangement. The 32650 format appears in general titles alongside 32700, and this guide treats it as a format that appears in the company's general material, not as a listed pack model. A buyer who needs a pack should therefore start from a pack page, not from a cell format, because the pack's voltage, capacity, current limits and dimensions are decided by the arrangement, not by the format alone.
From format to pack
A pack's voltage is decided by how many cells are connected in series, and its capacity is decided by how many cells are connected in parallel and by the capacity of each cell. For example, a 12V pack using 32700-format cells in a 4-series arrangement reaches a 12.8 V nominal voltage, while a 24V pack using a different arrangement reaches a 25.6 V nominal voltage. The same format can therefore appear in packs at different voltages and capacities, and the format alone does not describe the pack. That is why this site lists the arrangement for each pack where it is given, such as 4S2P or 16S1P, and why it does not treat a format as a specification for a finished pack.
Choosing between formats is therefore not a choice a buyer usually makes directly. The buyer chooses a pack by voltage, capacity, current limits, dimensions and protection, and the format is a consequence of that choice, visible in the pack's listed arrangement. If a custom arrangement is needed, the enquiry should state the pack voltage, capacity and current, so the manufacturer can confirm whether a listed pack or a custom arrangement fits, rather than ordering a format by name alone.
For a business enquiry, the most useful details are the system voltage, the capacity, the expected discharge current, the operating temperature range and the physical space available. A pack that fits on paper can still fail in use if the discharge current, the temperature range or the terminal layout does not match the application. That is why this site asks buyers to confirm specifications per model, rather than selecting from a generic table.
Enquiry checklist
Before sending an enquiry, note the voltage, capacity, quantity, application and any required certification document. State whether the pack will be used indoors or outdoors, and whether a display or a particular terminal type is needed. Minimum order quantity and lead time are unavailable on this site and are confirmed per model in the enquiry. Quotations are confirmed per order.
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Frequently asked questions
How do I get a quotation?
Send an enquiry with the voltage, capacity and quantity you need, plus the application. Quotations are confirmed per order, and specifications are confirmed per model before payment. This site does not list fixed selling figures.
What certification documents can you provide?
ISO 9001 is stated by the company. Certificates are available upon request. If a buyer needs a certificate for a specific model, ask for it in the enquiry and name the model, so the correct document can be checked.
Are the specifications on this page valid for every model?
No. Specifications are shown per model and must not be read across the whole range. Where a value is not listed for a model, the page says to confirm per model rather than filling in a generic figure.