Blog: battery guides and articles
Guides and articles about choosing, sizing and using custom battery packs. Each article is general guidance; model-specific facts live on the category and detail pages.
Layered pack cross-section — the site's recurring diagram motif. It is a schematic, not a photograph of a product, factory or customer project, and it is not presented as a photograph of this company's factory.
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Custom Battery Pack Process: Cell to BMS Match
From cell selection to BMS matching, sampling and production, in general terms.
LiFePO4 vs Li-Ion: Which Should You Choose?
A decision method for the most asked battery question, based on duty rather than reputation.
18650 Battery Buying Basics for Businesses
Format, fair capacity comparison, cell vs pack, and bulk buying in general terms.
What Is a BMS, and Why Does a Custom Pack Need One?
Protection, balancing, temperature sensing and communication, in plain terms.
Marine Lithium Battery Selection: What to Check
Deep-cycle duty, voltage classes and charger checks, without vessel claims.
Medical Device Batteries: Reliability Requirements
Stable voltage, predictable runtime, quality control and documentation, without certification promises.
Solar Storage Battery Capacity: How to Calculate It
Daily load, watt-hours, depth of discharge and autonomy, with worked examples.
NiMH vs Lithium for Older Devices: How to Choose
Replacement logic, voltage matching, and why conversion is a redesign.
Drone and Robot Batteries: Weight vs Runtime
The weight-energy trade, peak current and honest runtime sizing.
Lithium Battery Transport and Safety Basics
Documentation, packaging, state of charge and handling, in general terms.
How to place an inquiry, step by step
- Send the device facts. Tell us the device type, the available space (length, width and maximum thickness), the nominal voltage you need, the capacity or runtime you target, and the peak current if your device has motors, radios or heaters.
- Name the model or the chemistry. If a page on this site matches, quote its model description and listing details. If nothing matches, say so and describe the chemistry and voltage you need, so the conversation starts on the custom route.
- Confirm documents and terms in writing. Ask for the certificate set for that exact model, confirm the minimum order, the price basis and the lead time for that listing, and confirm payment and warranty terms before you pay. Terms stated for one model listing do not transfer to another model.
- Agree the sample step. Confirm whether the next step is a listed sample, an engineering sample for a custom design, or a small trial order, and what test you will run on arrival — fit in the enclosure, runtime, or peak-current behaviour.
Send all of this in one message through the contact page: device type, space, voltage, capacity, peak current, model description if you have one, and the documents you need. That is the whole inquiry — no separate form, no account, no extra step.
What to send us now
Send one message with your device type, the space the pack must fit, the voltage and capacity you need, the peak current if it matters, and the model description if a page on this site already matches. Add the documents you need — certificates are available upon request — and whether you need a listed model or a custom design. Use the contact page or write to [email protected], or call +86-755-25629920. A specific message like that is what turns a range of hundreds of models into a short, answerable question.