ASTM F3005-14

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Designation:F3005 −14
StandardSpecification for
Batteries for Use in Small Unmanned Aircraft Systems
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(sUAS)
This standard is issued under the fixed designation F3005; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2.1 C-rating, n—maximum steady-state current (amps) at
which the battery cell or pack may be discharged without
1.1 Thisstandarddefinestherequirementsforbatteriesused
having pack temperature exceed the temperature that results in
in small Unmanned Aircraft Systems (sUAS).
permanent damage, loss of capacity or reduction in cell life.
1.2 This standard does not define requirements for the
C-rating is expressed as a multiple of the capacity. For
systems in which sUAS battery packs may be utilized.
example, a battery with a nominal capacity of 4 Ah may have
1.3 This standard is subordinate to Specification F2910. a C-rating of 5C, meaning that 20 A would be considered its
maximum safe current.
1.4 If allowed by a nation’s GAA, certain sUAS may be
exempt from this standard and may use commercial off-the- 3.2.2 depth of discharge, DOD, n—ratio of cell or pack
shelf (COTS) batteries. Air transport regulations still shall be capacity expended relative to its nominal capacity.
adhered to when air transport is used for COTS cells or
3.2.3 pack, n—a single cell or composition of battery cells
batteries in bulk.
connected in series or in parallel or both plus monitoring
1.5 This standard does not purport to address all of the
electronics, structure, and connector(s).
safety concerns, if any, associated with its use. It is the
3.2.4 pack assembler, n—that supplier which performs the
responsibility of the user of this standard to establish appro-
manufacturing processes which integrate the essential compo-
priate safety and health practices and determine the applica-
nentsintoafunctionalpack.Intheeventthatmultiplesuppliers
bility of regulatory limitations prior to use.
areinvolvedintheassemblyprocess,thepackassembleristhat
supplier which performs the final electrical connection(s). One
2. Referenced Documents
supplier may weld solderable tabs to batch of cells, a second
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2.1 ASTM Standards:
supplier may connect circuitry, wiring and a connector, and yet
F2910 Specification for Design, Construction, and Test of a
a third may install the assembly in a plastic housing. In this
Small Unmanned Aircraft System (sUAS)
example, the second supplier would be the pack assembler.
2.2 Other Standards:
3.2.5 shall versus should versus may, v—use of the word
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UL 1642 Standard for Lithium Batteries
“shall” implies that a procedure or statement is mandatory and
must be followed to comply with this standard, “should”
3. Terminology
implies recommended, and “may” implies optional at the
3.1 Definitions and Acronyms—The standard terminology
discretion of the supplier, manufacturer, or operator. Since
forsUASasdefinedinhigherlevelstandardsappliesingeneral
“shall” statements are requirements, they include sufficient
to this standard except as noted below.
detail needed to define compliance (for example, threshold
3.2 Definitions of Terms Specific to This Standard: values, test methods, oversight, reference to other standards).
“Should” statement are provided as guidance toward the
overall goal of improving safety and could include only
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This specification is under the jurisdiction of ASTM Committee F38 on
subjective statements. “Should” statements also represent pa-
UnmannedAircraftSystemsandisthedirectresponsibilityofSubcommitteeF38.01
rametersthatcouldbeusedinsafetyevaluationsandcouldlead
on Airworthiness.
to development of future requirements. “May” statements are
Current edition approved Jan. 15, 2014. Published February 2014. DOI:
10.1520/F3005-14.
provided to clarify acceptability of a specific item or practice
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
and offer options for satisfying requirements.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
3.2.6 small unmanned aircraft system, sUAS, n—composed
the ASTM website.
ofthesmallunmannedaircraft(sUA)andallrequiredon-board
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Applicable only to 5.1 on cell suppliers.
subsystems, payload, control station, other required off-board
Available from Underwriters Laboratories (UL), 2600 N.W. Lake Rd., Camas,
WA 98607-8542, http://www.ul.com. subsystems, any required launch and recovery equipment, and
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