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The Unwavering Power Behind Confident Measurements
Hanery is a leading B2B manufacturer of high-reliability, long-life, and safety-certified polymer lithium-ion batteries for electrical test and measurement tools. From digital multimeters to network cable analyzers, we engineer the mission-critical power that ensures accurate readings, all-day performance, and ultimate user safety.
Safety
Low Self-Discharge
Long Lifespan
Lightweight
Your Expert Electrical T&M Battery Manufacturer in China
For tools where accuracy can mean safety, partner with a battery manufacturer that delivers absolute dependability.
Stable Voltage for Accuracy
Engineered for a flat, consistent discharge curve, ensuring the integrity of your sensitive measurement circuits.
All-Day Field Reliability
High-energy-density cells designed to power your instrument through a full day of demanding fieldwork.
Enhanced Safety Protocols
Our packs feature advanced BMS with multiple layers of protection, a critical feature for high-voltage environments.
Durable & Rugged Design
Built with impact-resistant housings to withstand the daily rigors of a technician's toolkit and job site.
Long Service Life
High cycle life and low self-discharge ensure the tool is always ready and provides a low total cost of ownership.
Full Certification Support
We provide batteries designed to meet stringent international safety and electrical standards (UL, IEC).

Custom Electrical T&M Batteries as Your B2B Supplier
Hanery is your specialist partner for custom polymer battery packs, meticulously engineered for the precision-driven world of electrical test and measurement (T&M). We understand that an unstable or unreliable power source can lead to incorrect readings, jeopardizing diagnostics, and even user safety. Our expertise lies in creating exceptionally stable, durable, and safe power systems that provide the clean, consistent energy your high-precision instruments demand.
Wholesale Electrical T&M Battery Capabilities
We provide custom power solutions for a wide spectrum of portable electrical testing instruments.

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Is Your Instrument's Performance Fading as the Battery Drains?
Maintain accuracy from start to finish. Our batteries are engineered for a flat, stable discharge, delivering consistent power for reliable measurements.
Customized Options for Your Electrical T&M Batteries
We engineer every detail for accuracy, safety, and field reliability.
Stable Discharge Chemistry
We select cell chemistries that offer a flat voltage profile, critical for the accuracy of analog-to-digital converters.
Advanced Safety BMS
We integrate a smart BMS with precise over-current, over-voltage, and thermal protections, essential for tools used near live circuits.
High-Capacity in Compact Forms
We design space-efficient packs to provide the longest possible runtime in a handheld form factor.
Rugged, Impact-Resistant Housing
We design durable enclosures, often with high dielectric strength materials, to protect against job site hazards.
Intelligent Fuel Gauging
We can integrate a smart BMS with accurate state-of-charge reporting, so technicians know their remaining test time.
Full OEM Integration
We provide custom housings, connectors, and branding to work seamlessly with your tool's design.
Get Your Batteries in Bulk, Step-by-Step
In-Depth Consultation & Risk Analysis
We analyze your instrument's power profile, stability requirements, safety category (CAT) considerations, and use environment.
System Design & DHF Support
We provide a comprehensive proposal with 3D models and can provide documentation to support your Design History File (DHF).
Prototyping & V&V Testing
We produce robust prototypes for your Design Verification and Validation (V&V) testing.
Certification Management & Approval
We manage the entire IEC 62133 and UN38.3 certification process and receive your final approval.
Controlled Mass Production
Your bulk order is manufactured under strict process controls (SPC) and quality checks.
Global Logistics & Lot Traceability
We manage the compliant shipping process, ensuring full lot traceability for every delivery.
FAQ for Electrical Test & Measurement Tool Batteries
A: We use a combination of selecting specific cell chemistries known for their flat discharge curve and an intelligent BMS that provides regulated power. This is crucial for preventing measurement drift and maintaining the instrument’s specified accuracy.
A: A robust BMS with multiple, redundant layers of protection is critical. This includes fast-acting over-current and short-circuit protection, as well as precise thermal monitoring. The physical pack is also designed with high dielectric strength materials for added insulation.
A: For a new custom design, our MOQ typically starts at 50,000 to 100,000 units, depending on the complexity of the pack and certifications.
A: Yes. We will design the battery pack with the required Watt-hour (Wh) capacity based on your instrument’s power consumption to ensure it can comfortably last a full work shift on a single charge.
A: Absolutely. We can design the battery pack to be user-replaceable with a secure, easy-to-use mechanism and durable connectors, a key feature for professional tools.
A: After the design is finalized, the lead time for the first batch of functional prototypes is generally 6-8 weeks.
A: We can use a wide-temperature electrolyte formulation for performance in extreme cold or heat. The pack housing can also be designed to be resistant to dust, moisture (IP rated), and common industrial chemicals.
A: Yes, we can integrate a simple multi-level LED indicator directly on the pack, or a smart BMS that communicates with your device’s screen for a precise percentage-based fuel gauge.
A: Yes. We manage the entire certification process to ensure your battery pack meets all required standards for your target markets, including CE, UL 2054, IEC 62133, and UN38.3.
A: Please provide your instrument’s voltage, required runtime (hours), continuous and peak power draw, dimensional constraints, any specific safety or durability requirements, and your estimated annual volume.