What This Page Is For
Battery information often combines several kinds of evidence. A calculator may use straightforward electrical relationships, a charging guide may depend on chemistry-specific limits, a shipping article may depend on current transport rules, and a product-oriented explanation may rely on a manufacturer datasheet. Treating all of those sources as interchangeable would make the resulting page less reliable.
This page describes the reference hierarchy used by LithiumBattery.info and the limits of that hierarchy. It is not a claim that every source is permanent, error-free, or suitable for every jurisdiction. Technical documentation can be revised, URLs can move, standards can receive new editions, and product specifications can change. Important decisions should therefore be checked against the current primary documentation for the exact equipment, chemistry, and location involved.
Source Hierarchy Used Across The Site
We prefer sources that are closest to the underlying fact or requirement. The order below is a practical hierarchy rather than an automatic ranking; relevance still matters.
- Manufacturer datasheets, manuals, application notes, and safety documentation. These are the first place to check model-specific voltage ranges, charge current, discharge limits, temperature restrictions, connector requirements, firmware behavior, warranty conditions, and other product-specific details.
- Government and regulatory publications. Official agencies are preferred for transport, disposal, consumer safety, environmental, and other regulatory guidance within their jurisdiction. Summaries on third-party sites should not override the responsible authority.
- Standards organizations and certification documentation. Standards pages are useful for understanding scope, terminology, and the existence of a standard. The applicable edition, certification status, and local adoption should be verified before a standards-related conclusion is treated as current.
- Research institutions, laboratories, and original technical literature. These sources can support broader explanations of battery behavior, testing methods, degradation, thermal effects, and energy-storage concepts when the study conditions are relevant.
- High-quality secondary references. Technical explainers can help readers understand terminology or context, but they are not preferred when a primary document is available for the same factual claim.
Community discussions, retailer descriptions, search snippets, forum posts, and unsourced tables can be useful leads during research, but they are not treated as authoritative evidence for safety-critical specifications or regulatory requirements.
How Calculator Pages Use References
Many battery calculators rely on basic relationships such as watts = volts × amps or watt-hours = volts × amp-hours. The arithmetic itself may not need an external citation when the formula is a standard electrical relationship and the page shows it transparently. What does need careful sourcing is the meaning of the inputs, the conditions attached to them, and any default value that could be mistaken for a universal engineering limit.
For example, a runtime estimate can calculate energy divided by load, but the useful result still depends on discharge limits, conversion losses, cutoff behavior, temperature, battery age, and load variation. Those are not hidden inside a citation. They should be stated as assumptions or limitations so users can substitute values that match their equipment.
The Calculator Methodology page explains how formulas and planning assumptions are handled. A calculator result remains an estimate unless the relevant equipment specifications and operating conditions are known.
Product Specifications Take Priority For Product Limits
A general article cannot approve a charge voltage, BMS setting, fuse size, cable, current limit, or low-temperature charging behavior for an unknown product. When a page discusses those topics, the site may explain the engineering concept and typical decision process, but the final limit must come from the exact battery, cell, charger, inverter, controller, BMS, or other component documentation.
If two sources conflict, the source with the most specific authority over the exact product or rule normally deserves more weight. A current manufacturer manual for a named battery may supersede an older product page. An official regulator's current rule should outrank a blog summary of that rule. A standards organization should outrank a marketing page that loosely paraphrases a standard.
Standards, Regulations, And Jurisdiction
Standards and regulatory material require extra care because a standard can have multiple editions and a regulation can vary by country, transport mode, battery size, packaging configuration, or date. We avoid presenting a standard number alone as proof that a specific battery, installation, or shipment is compliant.
Where a guide discusses standards such as UN 38.3, UL 1973, or UL 9540, the page should explain the topic at a high level and direct readers toward the responsible organization or current documentation. Certification claims about a specific product should be checked against the product's own certification information rather than inferred from a generic explanation.
Representative External Reference Organizations
The exact reference used depends on the page. The following organizations illustrate the kinds of primary or institutional sources that may be consulted for general battery science, energy storage, transport, safety, and environmental topics.
U.S. Department of Energy
Used for foundational energy-storage explanations and general battery science context.
DOE Explains…Batteries ↗National Renewable Energy Laboratory
Useful for research context involving energy storage, performance, systems, and grid-connected applications.
NREL ↗U.S. Environmental Protection Agency
Relevant for environmental and recycling guidance where U.S. federal context applies.
U.S. EPA ↗U.S. Department of Transportation / PHMSA
Relevant for hazardous-material transport information and lithium-battery shipping guidance in U.S. contexts.
PHMSA ↗These links are representative starting points, not a blanket endorsement of every statement on this site. Page-specific claims should still be checked against the exact source linked from the relevant article and, where necessary, the current official document.
How We Handle Conflicting Or Incomplete Sources
Battery topics frequently contain values that look contradictory because the sources are describing different conditions. Nominal voltage is not full-charge voltage. Continuous current is not necessarily peak current. Cell-level temperature limits may differ from pack-level limits. A laboratory test can use a discharge rate that does not match a real application.
When sources disagree, the first step is to determine whether they are actually answering the same question. We compare definitions, units, test conditions, product revisions, publication dates, and the authority of each source. If a conflict cannot be resolved responsibly, the page should state the uncertainty rather than selecting the most convenient number.
Dates, Versions, And Link Maintenance
Some references are durable; others change quickly. Basic electrical formulas are stable, while transport guidance, product manuals, prices, certification listings, and software behavior may change. For time-sensitive claims, the publication or access context matters more than it does for a timeless formula.
A dead link does not automatically make the underlying claim false, but it does reduce verifiability. When a source moves, the preferred fix is to replace it with the current official location or an archived official publication when appropriate. If the underlying guidance has changed, the page itself should be updated rather than merely swapping the URL.
Citations, Links, And What We Do Not Claim
External links are included to help readers verify important facts or continue to the responsible organization. We do not claim that an outbound link means the linked organization reviewed, approved, sponsored, or endorsed LithiumBattery.info. Likewise, a citation to a standard or agency does not certify a battery, charger, installation, shipping method, or design.
Commercial relationships are handled separately from sourcing. Advertising and affiliate arrangements do not change which technical source should support a factual claim. See the Advertising Disclosure and Affiliate Disclosure for those relationships.
Corrections And Reader-Supplied Evidence
Readers can help improve the site by identifying a broken reference, a superseded manual, a changed regulation, a unit error, or a statement that stretches beyond its source. A useful correction report includes the page URL, the statement in question, the source you believe is more appropriate, and enough publication or model information to distinguish it from similarly named documents.
Reader-supplied evidence is evaluated on the same basis as any other source. A screenshot, forum post, or retailer listing may point us toward a problem, but a primary document is preferred when available. See the Corrections Policy and Contact page for the site-level process.
How To Verify A Source Yourself
Before relying on a technical statement, use a short verification checklist:
- Confirm that the source applies to the same chemistry, model, voltage class, or jurisdiction discussed on the page.
- Check whether the document has an edition, revision number, publication date, or model number.
- Read the surrounding conditions rather than extracting one number from a table or search result.
- Compare units carefully, especially volts, amps, amp-hours, watts, watt-hours, C-rate, and temperature units.
- For safety-critical settings or compliance questions, confirm the current primary documentation before acting.
That process is more valuable than simply counting citations. A smaller number of well-matched primary sources can be more useful than a long bibliography that does not directly support the page's conclusions.