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Custom Battery & Charger Solutions Since 1985

Designing and manufacturing rechargeable lithium batteries and chargers for medical, industrial, aerospace, military, and consumer applications. Tailored power solutions built to your exact specifications.

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35+
Years Experience
1000+
Custom Designs
Global
Reach
In-House
Manufacturing

A Leader in the Custom Battery Market Since 1985

Totex Manufacturing has been solving complex power challenges and creating real-world battery and charging solutions for over 35 years. We specialize in custom lithium battery packs and intelligent chargers for mission-critical applications across medical, industrial, aerospace, military, and consumer markets.

Our engineering-first approach ensures that every solution is designed with performance, safety, and environmental resilience in mind. From concept to production, we provide full vertical integration with in-house design, testing, and manufacturing capabilities.

  • Full in-house engineering and development
  • ISO-compliant quality control and testing
  • Custom form factors and integration
  • Rapid prototyping and low-volume to high-volume production
Battery Engineering Lab

Our Product Solutions

From custom-designed lithium-ion battery packs to intelligent multi-stage chargers, Totex delivers reliable, high-performance power systems for demanding applications.

Custom Lithium Battery Pack

Custom Lithium Battery Packs

Fully engineered to meet your voltage, capacity, size, and environmental requirements. Available in various chemistries including Li-ion, LiFePO4, and Li-Polymer.

  • • Custom form factors & connectors
  • • Integrated BMS & protection circuits
  • • UL, CE, UN38.3 compliant
  • • Wide temperature range operation
Standard Battery Solutions

Standard Battery Solutions

Off-the-shelf battery packs for common applications. Quick delivery, proven reliability, and full documentation for easy integration.

  • • 18650, 21700, and prismatic cells
  • • Pre-certified for safety standards
  • • Multiple voltage & capacity options
  • • Ideal for prototyping and low-volume runs
Medical Grade Batteries

Medical Grade Batteries

Designed for life-critical and portable medical devices. Compliant with FDA, IEC 60601, and ISO 13485 standards.

  • • Hermetically sealed enclosures
  • • High cycle life & reliability
  • • Biocompatible materials
  • • Full traceability & documentation
Custom Chargers

Custom Intelligent Chargers

Multi-stage, microprocessor-controlled chargers with adaptive algorithms for optimal battery health and performance.

  • • CC/CV, dV/dt, and temperature-based charging
  • • Multi-bay and parallel charging options
  • • USB-C, barrel, and proprietary interfaces
  • • UL, CE, FCC certified
Industrial Battery Systems

Industrial Battery Systems

Ruggedized, high-capacity packs for industrial automation, robotics, and portable equipment.

  • • IP67-rated enclosures
  • • Wide operating temperature (-20°C to +60°C)
  • • High discharge rates (up to 20C)
  • • CAN, RS-485, or SMBus communication
Aerospace & UAV Batteries

Aerospace & UAV Batteries

Lightweight, high-energy-density solutions for drones, UAVs, and aerospace instrumentation.

  • • High C-rate discharge
  • • Low self-discharge & long shelf life
  • • Vibration and shock resistant
  • • Custom telemetry and monitoring
Consumer Electronics Batteries

Consumer Electronics Batteries

Sleek, compact, and safe battery solutions for handheld devices, wearables, and IoT products.

  • • Thin-profile and flexible designs
  • • Fast-charging support
  • • Overcharge and short-circuit protection
  • • RoHS and REACH compliant
Test & Measurement Batteries

Test & Measurement Batteries

Precision power sources for calibration, data logging, and field instrumentation.

  • • Ultra-low self-discharge
  • • Stable voltage output
  • • Long service life
  • • Integrated diagnostics
Request Custom Solution

Our Engineering & Manufacturing Capabilities

From concept to delivery, Totex offers full vertical integration with in-house design, testing, and production.

Design

Engineering & Development

Full CAD modeling, thermal analysis, circuit design, and BMS development.

Build

In-House Manufacturing

Automated welding, assembly, and packaging with strict process controls.

Test

Environmental Testing

Thermal cycling, vibration, drop, and safety compliance testing.

Deliver

Logistics & Planning

Global supply chain, JIT delivery, and inventory management.

Industries We Serve

🏥

Medical

Portable diagnostics, infusion pumps, surgical tools

✈️

Aerospace & UAV

Drones, avionics, telemetry systems

🏭

Industrial

Robotics, automation, handheld tools

📱

Consumer

Wearables, IoT, portable electronics

🔬

Test & Measurement

Data loggers, field instruments, calibration

Let’s Discuss Your Next Project

We’re ready to help. For faster response, please contact us directly.

Address: 3050 Lomita Boulevard, Torrance, CA 90505, USA

Phone: 310.326.2028

Toll Free: 800.715.5777

Fax: 310.326.2336

Email: info@totexmfg.com

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