SimpliPhi Battery Manual

REV202010211307© SIMPLIPHI POWER, INC.
SIMPLIPHIPOWER.COM | 805-640-6700
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Appendix A – PHI Battery Safety & Green Attributes,
Certications
This Appendix section covers the PHI Battery safety attributes and certications, such as the lack of thermal runaway with
re propagation, off-gassing, UN DOT certication and UL compliance and certication. It also covers the PHI Battery’s green
attributes – from products to materials to disposal, as well as relevant environmental and ecological considerations.
A.1 – Safety Attributes and Certications
A.1.1 – Intrinsically Safe Operation and Installation
The PHI Lithium Ferrous Phosphate (LFP) battery cell component is made with an intrinsically safe cathode material (iron
phosphate). This creates a strong molecular bond, which withstands extreme conditions, prolongs cycle life, and maintains
integrity with little or no maintenance over extended periods of time. There is virtually no danger of Thermal Runaway with
re propagation, as there may be with Lead Acid, NiCd, and Lithium Cobalt type batteries (NCA, NMC, LCO). No venting or
cooling is required. No precautions or special structural considerations are necessary when installing PHI Batteries.
A.1.2 – No Safety Hazards due to Off-Gassing, Exposure to Acids, Thermal Runaway
PHI Batteries do not vent dangerous gasses during normal operation, such as hydrogen and oxygen, because chemicals
contained in Lithium Ferro Phosphate cells’ electrolyte do not electrolyze to any appreciable extent within the PHI Battery’s
operating voltage range. In contrast, lead acid batteries which contain water and sulfuric acid experience signicant
electrolysis into H2 and O2 during normal operation. There are no dangers of exposure to sulfuric acid because PHI
Batteries do not have caustic electrolytes. Thermal runaway with re propagation is not an issue with PHI products due to
the basic nature of Lithium Ferro Phosphate cell chemistry utilized in all our power storage products.
A.1.3 – PHI Battery Control and Protective Circuitry
SimpliPhi Power Inc. utilizes balancing, voltage regulation, thermal and current controls, as well as other protective
measures, in its PHI Battery Management System (BMS). This protective circuitry is embedded in the architecture of each
PHI Battery.
A.1.4 – UN DOT Certied Cells
The Lithium Ferrous Phosphate (LFP) cells are independently certied to withstand the UN DOT 38.3 testing guidelines
with no special circuitry added. These tests include short circuit, over-voltage, overcharging, extreme temperature, high
altitudes, shock and extreme vibration testing.
A.1.5 – UL Compliance
The Lithium Ferrous Phosphate cells within the PHI Batteries fully comply with the safety testing parameters of UL 1642.
A.1.6 – RoHS Compliant
SimpliPhi Power 3.8 Batteries are RoHS compliant. Any RoHS compliant component is tested for the presence of Lead
(Pb), Cadmium (Cd), Mercury (Hg), Hexavalent chromium (Hex-Cr), Polybrominated biphenyls (PBB), and Polybrominated
diphenyl ethers (PBDE). For Cadmium and Hexavalent chromium, there must be less than 0.01% of the substance by weight
at raw homogeneous materials levels. For Lead, PBB, and PBDE, there must be no more than 0.1% of the material, when
calculated by weight at raw homogeneous materials. Any RoHS compliant component must have 100 ppm or less of mercury
and the mercury must not have been intentionally added to the component. In the EU, some military and medical equipment
are exempt from RoHS compliance.
A.2 – Green Attributes, Environmental & Ecological Considerations
A.2.1 – Materials
The primary materials (lithium, iron, phosphate) that make up PHI Batteries are environmentally benign and pose very few
polluting or environmentally degrading by-products in the harvesting and renement processes. This is especially true when
compared to those of lead acid, NMC, NCA, LCO, NiCad, and NiMH batteries.