Deka is the battery brand of East Penn Manufacturing Co. of Lyon Station, Pennsylvania, a family-owned company its History page says was started in 1946. Deka solar batteries (flooded, AGM and gel) and Deka Duration lithium iron phosphate batteries are sold through its subsidiary MK Battery.
Recognized component; not a complete system. Manufacturer recognized-component claim, not a finished-battery listing. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Certifications row prints UN38.3, UL 1973 Recognized Component, IEC62619, CE; the undated maker brochure PDF page 2 repeats UL 1973 Recognized Component. No certificate, report number or issuer status was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Cell / component only. Manufacturer claim at cell level, not an assembled-battery certification. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Cell row prints UN38.3, UL9540A, UL1642. The undated maker brochure, PDF page 2, prints Cell-level UL 9540A testing. No test report number or issuer record was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Recognized component; not a complete system. Manufacturer recognized-component claim, not a finished-battery listing. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Certifications row prints UN38.3, UL 1973 Recognized Component, IEC62619, CE; the undated maker brochure PDF page 2 repeats UL 1973 Recognized Component. No certificate, report number or issuer status was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Cell / component only. Manufacturer claim at cell level, not an assembled-battery certification. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Cell row prints UN38.3, UL9540A, UL1642. The undated maker brochure, PDF page 2, prints Cell-level UL 9540A testing. No test report number or issuer record was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Recognized component; not a complete system. Manufacturer recognized-component claim, not a finished-battery listing. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Certifications row prints UN38.3, UL 1973 Recognized Component, IEC62619, CE; the undated maker brochure PDF page 2 repeats UL 1973 Recognized Component. No certificate, report number or issuer status was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Cell / component only. Manufacturer claim at cell level, not an assembled-battery certification. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Cell row prints UN38.3, UL9540A, UL1642. The undated maker brochure, PDF page 2, prints Cell-level UL 9540A testing. No test report number or issuer record was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Recognized component; not a complete system. Manufacturer recognized-component claim, not a finished-battery listing. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Certifications row prints UN38.3, UL 1973 Recognized Component, IEC62619, CE; the undated maker brochure PDF page 2 repeats UL 1973 Recognized Component. No certificate, report number or issuer status was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Cell / component only. Manufacturer claim at cell level, not an assembled-battery certification. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Cell row prints UN38.3, UL9540A, UL1642. The undated maker brochure, PDF page 2, prints Cell-level UL 9540A testing. No test report number or issuer record was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Recognized component; not a complete system. Manufacturer recognized-component claim, not a finished-battery listing. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Certifications row prints UN38.3, UL 1973 Recognized Component, IEC62619, CE; the undated maker brochure PDF page 2 repeats UL 1973 Recognized Component. No certificate, report number or issuer status was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Cell / component only. Manufacturer claim at cell level, not an assembled-battery certification. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Cell row prints UN38.3, UL9540A, UL1642. The undated maker brochure, PDF page 2, prints Cell-level UL 9540A testing. No test report number or issuer record was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Recognized component; not a complete system. Manufacturer recognized-component claim, not a finished-battery listing. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Certifications row prints UN38.3, UL 1973 Recognized Component, IEC62619, CE; the undated maker brochure PDF page 2 repeats UL 1973 Recognized Component. No certificate, report number or issuer status was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
Cell / component only. Manufacturer claim at cell level, not an assembled-battery certification. The Mar. 9, 2026 Deka Duration Installation Guide and User Manual, PDF page 5, Cell row prints UN38.3, UL9540A, UL1642. The undated maker brochure, PDF page 2, prints Cell-level UL 9540A testing. No test report number or issuer record was checked. Both documents were independently obtained from Solar Electric Supply on November 9, 2026. The former captures are no longer cited; the prior versions remain in history.
This manufacturer is listed as Deka. Manufacturing entities, factories, cell origin and model-specific ownership relationships have not been audited.
Product certificates and company management certificates are tracked separately. No company management certificates have been reviewed for this manufacturer yet.
