Knowledge Base & Engineering Expertise

Technical Resources & Engineering Insights

Explore white papers, regulatory testing guides, UN 38.3 shipping compliance, and custom lithium battery case studies curated by certified application engineers.

Custom Lithium Battery Pack Technical Resources

Welcome to the Excell Battery engineering knowledge hub. For over 40 years, our ISO 9001:2015 certified engineering team has developed high-reliability power solutions for critical OEM applications across oil & gas, medical devices, industrial instrumentation, and aerospace sectors.

Browse our curated technical documentation, industry compliance white papers, and engineering case studies below to assist your procurement and system design process.

Featured Engineering White Papers & Case Studies

Case Study

Design Proposal Case Study: Compact Li-Ion Battery for Outdoor Surveillance

An in-depth analysis on designing high-energy-density rechargeable battery packs engineered to withstand extreme ambient temperatures and continuous outdoor operations.

Published: Nov 24, 2025 · Engineering Team
Compliance Guide

Ensuring Safe Transit: Understanding UN 38.3 Battery Testing Standards

Essential compliance guide for international OEMs on thermal, vibration, shock, external short-circuit, and overcharge safety testing required for air and ocean freight shipping.

Published: Apr 22, 2025 · Compliance Dept.
Oil & Gas Downhole

Reducing Battery Waste in Downhole Drilling: A Field Performance Study

How specialized high-temperature MWD/LWD battery pack configurations optimize power usage, prevent capacity loss, and extend downhole drilling operational cycles.

Published: Apr 22, 2025 · Energy Systems
OEM Selection Guide

Cell Chemistry & Provider Selection Standards for Custom Packs

Key criteria for choosing cell chemistries (Li-ion, LiFePO4, Li-SOCl2) and evaluating audited cell suppliers (Tadiran, Saft, Panasonic, Samsung SDI) for mission-critical hardware.

Published: Dec 30, 2024 · Design Engineering
Medical Hardware

Smart BMS Engineering: Safe Power Solutions for Life-Critical Medical Devices

Designing smart battery management systems (BMS) with SBS-compliant fuel gauging, cell balancing, and fault protection circuitry for IEC 60601-1 medical compliance.

Published: Aug 30, 2023 · Medical Solutions
HAZLOC & ATEX

Intrinsically Safe Battery Design for Hazardous Environment Applications

Engineering considerations for ATEX and IECEx certified battery packs deployed in explosive atmospheres, chemical processing plants, and mining sites.

Published: Dec 6, 2022 · Safety Division

Certified Quality Management & Global Compliance

Operating under strict ISO 9001 certification with comprehensive UN 38.3, IEC, UL, and ATEX testing compliance for international export markets.

ISO 9001 Certified Quality Management
Intertek ETL Listed Quality Certification
SWEDAC Accreditation Mark