18 Years of Specialization in Custom 36V Lithium Batteries

I. ETOP: 18 Years of Custom Lithium Battery Manufacturing – Core Strengths

1. R&D Technology: The Core Driver of Scenario-Based Customization

• A dedicated R&D team of over 70 members, including 9 industry expert professors, focuses on iterative customization technology for 36V lithium batteries in scenarios such as medical and industrial applications. Accumulated over 20+ technology patents.

• Established 17 professional laboratories capable of independently conducting core tests specified by the IEC 61960 standard (cycle life, high/low-temperature performance, etc.) and 90 comprehensive tests exclusive to medical device batteries, including biocompatibility and extreme environmental stability.

• Built a segmented scenario solution library to rapidly deliver optimized solutions tailored to medical equipment compliance requirements and industrial robot high-rate discharge needs, with industry-leading R&D response speed.

2. Production Quality Control: Dual Assurance of Compliance and Stability

• Semi-automated production workshops utilize standardized operational procedures for core processes (cell screening, series-parallel connection, encapsulation, aging), supplemented by meticulous manual control, achieving a batch product consistency pass rate of 99.8%.

• Implemented a 12-step, full-chain quality control system. Only Grade A cells are used, undergoing 100% pre-storage testing for internal resistance, capacity, and cycle life, preventing substandard materials from entering production.

• Core products have obtained over 20 international certifications including CE, UL, CB, and UN38.3. Medical field customizations comply with the ISO 13485 quality management system and China's NMPA "Safety Technical Specifications for Medical Lithium-ion Batteries."

3. Supply Chain & Delivery: Efficiency Guarantee for Mass Production

• Strategic partnerships with top-tier cell suppliers and establishment of raw material safety stock, combined with supply chain risk early-warning mechanisms from the China Industrial Association of Power Sources (CIAPS), mitigate the impact of production capacity fluctuations.

• Standard custom samples delivered within 3 days; complete solutions for non-standard requirements provided within 7 days. Bulk delivery cycles are 30% shorter than the industry average, aligning with enterprise R&D and mass production rhythms.
  

II. Full-Scenario Customization: Precision Adaptation Capability for 36V Lithium Batteries

ETOP moves beyond simple parameter adjustment ("pseudo-customization"), offering deep adaptation services from parameters to scenarios based on actual equipment operating conditions and full lifecycle needs, covering core areas like medical, industrial, and outdoor special equipment.

1. Core Parameters: Flexible Optimization on Demand

• Capacity & Voltage: Supports a capacity range of 10Ah-100Ah, compatible with nominal voltages of 36V (10S ternary lithium) and 36.8V (12S lithium iron phosphate), precisely matching equipment power consumption requirements.

• Chemistry System: Ternary lithium (high energy density, lightweight) or Lithium Iron Phosphate (LiFePO₄) (long cycle life 2000+, high safety) selected based on needs. The LiFePO₄ system complies with the industrial-grade long-life standard recommended by CIAPS.

2. Structure & Scenario: Tailored Design Without Compromise

• Dimensional Adaptation: Optimizes shape, thickness, and interface position based on installation space, achieving up to 88% volume utilization, solving installation challenges in confined spaces of medical devices and small robots.

• Environmental Protection: IP54-IP67 protection ratings available. Supports operation across a wide temperature range of -30℃ to 60℃. Passes 1.5m drop impact tests, adapting to complex environments like industrial workshop dust and outdoor temperature/humidity fluctuations.

3. Intelligent Functions: On-Demand Expansion & Upgrade

• Customized BMS: Supports precise State of Charge (SoC) monitoring (accuracy ≥98%), multiple protections against overcharge/over-discharge/overcurrent, complying with the IEC 62133 safety standard.

• Communication Adaptation: Integrated RS485/CAN protocols enable seamless connection with equipment control systems, realizing intelligent functions like power feedback and fault warning, meeting Industry 4.0 data management needs.

4. Compliance & Certification: Full-Process Support

• Provides full-process compliance support for different industries' export and domestic market access needs: Assists with international certifications (CE, UL, FCC, KC, etc.); supports ISO 13485 system integration and NMPA registration for medical fields; facilitates domestic CCC certification, industrial product quality inspection, and provides full technical documentation and test reports to enable rapid market entry.

III. Case Studies: Customization Results in 3 Key Scenarios

1. Rehabilitation Power-Assist Wheelchair: Medical-Grade Safety + Lightweight Customization

• Client Need (Medical Device Co.): Fit narrow spaces, lightweight design, stable operation at -20°C, comply with ISO 13485.

• ETOP Solution: Used Samsung 18650 cells in a 10S2P configuration, custom medical-grade ABS housing measuring 69*74*156mm, weight only 945g (80% lighter than equivalent lead-acid). Optimized BMS low-temperature algorithm maintains ≥75% discharge capacity at -20°C, achieves 1200 cycles, passes biocompatibility tests and NMPA compliance inspection, meeting 8-hour daily continuous use.

2. Industrial AGV Robot: High Capacity + Real-time Monitoring Customization

• Client Need (Automation Co.): High capacity/long runtime, 40A high-current discharge, real-time power monitoring, industrial interference resistance.

• ETOP Solution: Selected high-rate 18650 cells in a 10S16P design, capacity 40.8Ah, meets high-rate discharge standards for industrial robots. Integrated RS485 module for ≥98% SoC accuracy with low-power alerts. Metal casing with IP54 rating, 88% volume utilization, ≥80% capacity retention after 1000 cycles, suitable for 24/7 logistics warehouse operation.

3. Outdoor Special Equipment: Wide-Temperature + Impact-Resistant Customization

• Client Need (Security Equipment Co.): Operate in -30°C to 60°C extremes, withstand 1.5m drop, support 10A fast charging.

• ETOP Solution: Optimized cell selection and structure using LiFePO₄ chemistry, expanded operating range to -30°C~60°C. Reinforced metal casing with ESD protection, passed IEC 60068-2-32 drop test. Supports 10A fast charging (full charge in 4 hours), 1500-cycle life, adaptable to complex outdoor environments.

IV. Collaboration Value: 4 Core Reasons to Choose ETOP

1. Cost Optimization: Precision adaptation reduces costs and improves efficiency. Customizing based on device power needs and scenarios avoids "oversized battery for small load" waste. Combined with green production processes, helps reduce long-term operating costs by 15%-20%, aligning with "Dual Carbon" policy goals.

2. Risk Control: Dual assurance of compliance and safety. The 12-step quality control, Grade A cells, and multi-layer BMS protection, backed by international/domestic certifications and Ping An of China insurance (¥30 million coverage), fully meet high-safety requirements in medical/industrial fields.

3. Efficiency Boost: Full-cycle service saves time and effort. Includes initial one-on-one technical consultation and free solution design; mid-stage rapid sample iteration and test follow-up; late-stage stable bulk delivery and 24/7 after-sales support, significantly shortening device R&D and mass production timelines.

4. Long-term Adaptability: Keeps pace with industry technology iterations. Tracks battery tech trends, pre-invests in solid-state electrolytes and smart BMS upgrades. Battery solutions can be optimized alongside device iterations, ensuring long-term partnership relevance.

V. Trend Adaptation: ETOP's Customization Upgrade Directions

According to the CIAPS "2025 Electrochemical Energy Storage Industry Development White Paper" and trend reports co-published by CCID Consulting, 36V custom lithium batteries are evolving towards three directions: medical-grade high safety, industrial-grade intelligence, and full-scenario green solutions. ETOP has proactively adapted:

1. Deepening Medical-Grade Custom Tech: Optimizing biocompatibility design and leak-proof encapsulation to meet stringent NMPA requirements for implantable/portable devices.

2. Upgrading Industrial Smart BMS: Adding remote monitoring, lifespan prediction, and energy consumption analysis functions, adapting to Industry 4.0 data management and the "Power-Device Collaborative Intelligence" trend outlined by IFR.

3. Practicing Green & Low-Carbon Principles: Using eco-friendly materials with ≥90% recyclability and energy-saving processes, complying with MEE's "Green Design Guidelines for Medical Electronic Products," helping clients address EU CBAM carbon tax policies.

4. Optimizing for Specific Needs: Continuously improving product specs (wide temperature, high rate, etc.) to fully comply with the latest IEC revisions, ensuring sustained competitiveness in core application scenarios.