Battery Solutions

Custom-engineered lithium rechargeable, primary downhole, and high-reliability battery packs for demanding global industrial applications.

40+ Years of Field-Proven Battery Engineering & Manufacturing Excellence

With over four decades of direct hands-on design, testing, and production experience across diverse cell chemistries, Excell Battery Co. provides global OEMs and B2B buyers with industrial-grade custom battery solutions. From extreme high-temperature oilfield drilling environments operating at 200°C to ultra-reliable medical instrumentation, specialized robotics, and subsea inspection devices, our North American engineering teams understand the unique operational constraints of mission-critical systems.

We collaborate directly with world-class Tier-1 cell manufacturers (such as Panasonic, Saft, Tadiran, Samsung SDI, and LG Energy Solution) to ensure uncompromising quality control, complete material traceability, and compliance with UN 38.3, ATEX/HAZLOC, IEC, and ISO 9001:2015 quality standards.

Product Portfolio & Capabilities

Engineered Battery Categories

Lithium Rechargeable Battery Packs for Industrial and Medical Devices

Lithium Rechargeable Packs

Advanced Li-ion and LiFePO4 custom battery assemblies integrated with custom BMS protection circuits, smart SMBus/CANbus gas gauging, and extended operational cycle life for medical, robotics, and industrial devices.

Lithium Non-Rechargeable Primary Batteries for Long Life Utility

Lithium Primary Batteries

High energy density Li-SOCl2 and Li-MnO2 primary battery packs engineered for long-term autonomous field service, remote utility metering, environmental monitoring, and low-temperature outdoors operational stability.

MWD LWD High Temperature Downhole Battery Packs for Oil and Gas Drilling

MWD/LWD Downhole Batteries

Extremely ruggedized high-temperature battery solutions (up to 200°C) tested to withstand intense mechanical shock, severe vibration, and extreme pressures encountered in deep oilfield drilling and logging operations.

Tier-1 Audited Standard Battery Cells Sourcing

Tier-1 Standard Cells

Direct supply chain access to fully audited Grade-A cells from global partners including Panasonic, Saft, Tadiran, Samsung SDI, Molicel, and FDK, backed by lot traceability and quality verification.

Standard Pre-Engineered Battery Packs for OEM Prototyping

Standard Battery Packs

Pre-configured standard battery pack building blocks designed for rapid prototyping, reduced engineering lead-times, cost-effective NRE, and fast-track compliance testing for OEM device developers.

Modular Energy Storage Battery Systems for Industrial Automation

Modular Battery Systems

Scalable high-voltage and high-capacity modular power architectures that enable flexible integration, automated balancing, thermal monitoring, and simplified maintenance for heavy industrial applications.

Intelligent Smart Battery Chargers and BMS Management Software

Smart Chargers & BMS

Purpose-built intelligent charging systems paired with SMBus/I2C communication protocols to optimize battery cell health, prevent thermal runaway, and maximize field reliability under continuous operation.

Pipeline Inspection Gauge PIG Heavy Duty Battery Packs

Pipeline Inspection (PIG) Batteries

Customized ultra-high shock and vibration resistant battery packs designed specifically for pipeline inspection gauge (PIG) runs, delivering steady discharge power under extreme differential pressures.

Specialized Chemistries

Tailored engineering for non-standard battery requirements utilizing NiMH, NiCd, and primary alkaline chemistries housed in specialized encapsulated, hermetically sealed, or metal casings.

Engineering Trust & Reliability

Why Global Procurement Managers Trust Excell

ISO 9001:2015 Certified

Stringent quality control management ensuring lot-to-lot consistency, thorough incoming cell inspection, and 100% functional testing prior to shipment.

UN 38.3 & Safety Compliance

Full capability to design and test battery packs in accordance with UN 38.3 transport safety, IEC 62133, UL 2054, and ATEX intrinsic safety standards.

Extreme Temp Engineering

Proven mastery in designing high-temperature packs for downhole applications up to 200°C and ultra-low temperature primary packs down to -55°C.

North American Manufacturing

Dual facility manufacturing capacity providing supply chain resilience, robust engineering support, and reliable international logistics handling.