Transparent Screw-Locked Lithium Battery Case Battery Accessories Durable Transparent Shell Lifepo4 Battery Box
For over 10 years, HEYI ENERGY has been dedicated to lithium battery manufacturing, delivering complete energy solutions to customers worldwide.
We offer a comprehensive range of products — from finished batteries and semi-finished packs to a wide variety of battery accessories.
Our portfolio includes BMS, prismatic and cylindrical cells, battery cases, cell holders, module brackets, busbars, nickel strips, epoxy plates, insulation materials, wires, PVC heat shrink film, terminals, chargers, and even liquid cooling systems.
With our one-stop DIY parts solution, customers can find everything they need in one place.
We also provide professional installation guidance and dependable after-sales support, ensuring every project runs smoothly.
features :
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Made from brand new high-strength ABS plastic
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IP67-level sealing when used with gasket and bottom glue
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Detachable lid, secured with bolts for easy maintenance
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Copper-core double-threaded terminals for enhanced conductivity
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Supports custom sizes and layouts based on your battery configuration
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Ideal for 12V, 24V, and custom lithium battery applications
Selection Guide
| Model | Outer Dimensions (mm) | internal dimensions (mm) |
| 12V50 | 231X145X211 | 229X128X185 |
| 12V80 | 260X167X210 | 240X145X180 |
| 12V100 | 330X172X217 | 315X160X211 |
| 12V150 | 484X170X240 | 440X159X231 |
| 12V180 | 345X190X245 | 335X180X215 |
| 12V200 | 522X238X220 | 470X215X195 |
| 12V250 | 520X267X220 | 477X250X185 |
The one-piece injection-molded copper terminals ensure long-lasting durability and deliver stable, reliable electrical connections under various working conditions.
Bottom Glue Groove Design:
Our innovative bottom adhesive groove design allows for a firm and efficient seal during battery pack assembly—without the need to flip the case upside down. This makes production safer, faster, and more convenient.
Applications:
Bus Bars Copper Flat Bar | Pure Red Copper with Nickel Plating for LiFePO4 Battery Cells (3.2V 50Ah–314Ah)
Premium Red Copper with Nickel Plating
Crafted from Grade A pure red copper and coated with a durable nickel plating, these bus bars deliver superior electrical conductivity, excellent chemical resistance, and outstanding corrosion protection—perfect for long-lasting lithium battery connections.
High-Quality Manufacturing
Produced with advanced laser cutting technology and strict quality control, each copper bus bar offers smooth edges, high strength, and excellent hardness. Scratch-free and precision-made, they are built to withstand high-current loads and elevated temperatures.
Safety & Reliability Guaranteed
Our nickel-plated copper busbars are designed for maximum safety and certified performance.
Wide Compatibility for LiFePO4 Cells
Ideal for DIY lithium battery packs, compatible with 3.2V LiFePO4 cells in sizes such as 20Ah, 50Ah, 80Ah, 100Ah, 120Ah, 200Ah, 280Ah, and 300Ah. The elliptical hole design provides extra expansion space and allows the use of insulating plates for enhanced battery safety.
Flexible Options & Easy Installation
Choose from multiple pitch row configurations and pack quantities to suit your application. These copper connectors can be soldered or secured with M6 screws. Every purchase includes a 24-month warranty and professional customer support.
Selection Guide
| Size (L*W) | Pitch Row | Thickness | Max.Amp |
| 42*15mm | 25mm | 1.5mm | 180A |
| 48*15mm | 30mm | 1.5mm | 180A |
| 53*15mm | 35mm | 1.5mm | 180A |
| 58*15mm | 40mm | 1.5mm | 180A |
| 63*15mm | 45mm | 1.5mm | 180A |
| 68*20mm | 50mm | 2mm | 320A |
| 74*20mm | 56mm | 2mm | 320A |
| 86*20mm | 68mm | 2mm | 240A |
| 86*20mm | 72mm | 2mm | 320A |
| 103*20mm | 85mm | 2mm | 320A |
Cylindrical Lithium Battery Holder 18650 32140 Cells Holder
Our Cylindrical Lithium Battery Holders are designed to provide secure, reliable, and efficient support for cylindrical lithium battery assemblies. Made from high-strength fire-retardant PC+ABS materials, these holders ensure both durability and safety in demanding applications. They are widely used in battery pack assembly for EVs, energy storage systems, power tools, and DIY projects.
Key Features
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High-Quality Materials – Manufactured with flame-retardant PC+ABS, offering excellent insulation, heat resistance, and long service life.
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Secure Battery Fixation – Firmly holds cylindrical cells in place, preventing vibration, movement, or short-circuit risks.
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Protective Structure – The unique frame design enhances stability and acts as a strong protector for the battery pack.
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Easy Assembly – Modular design allows flexible combinations, making it convenient to build packs of different sizes and capacities.
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Wide Applications – Suitable for lithium battery pack assembly in electric vehicles, solar storage, portable power stations, and more.
High-Strength Epoxy Plate Battery Accessories – Insulation Board for Lithium Battery Pack Assembly
Our Epoxy Plates are high-performance insulating materials widely used in lithium battery packs, electrical devices, and industrial equipment. Made from premium epoxy resin reinforced with fiberglass, these plates deliver outstanding mechanical strength, electrical insulation, and heat resistance.
Key Features
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Excellent Insulation – Provides superior electrical insulation to ensure battery safety and system stability.
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High Mechanical Strength – Rigid and durable structure prevents deformation under pressure and impact.
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Heat & Flame Resistance – Withstands high temperatures and offers reliable flame-retardant performance.
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Precision Machinability – Easy to cut, drill, and process into customized shapes for various applications.
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Versatile Applications – Ideal for lithium battery pack insulation, transformers, motors, PCB supports, and other electrical equipment.
