Lead Acid Battery Plastic Accessories
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23mm Anti-Spitback Return-Tube Battery Cell Filler & Dispenser

Product Introduction: What is the Product?
This product range consists of industrial-grade plastic multi-cell connected battery filler jugs and electrolyte filling containers. They are engineered specifically for industrial manufacturing, automotive aftermarket maintenance, and battery factories to quickly, safely, and quantitatively pour diluted sulfuric acid or distilled water into lead-acid batteries.
Instead of using traditional single funnels that require manual holding and only fill one cell hole at a time, our containers feature multi-cell connected structures or specific functional dispensing tubes. The spout dimensions and pitches match global standard battery cell profiles perfectly, enabling symmetric multi-hole simultaneous filling or precision volume leveling with fluid return capabilities. Molded entirely from 100% pure, virgin industrial-grade Polypropylene (PP) resin, these tools resist heavy acid corrosion without cracking or degrading, serving as high-turnover workshop hardware for battery production and MRO maintenance sectors.

Core Features
Integrated Physical Balance Legs (Hands-Free Siting): Specialized models (like the 28AH, 6-30 Big Cap, and 3-100 series) feature built-in injection-molded support legs available in heights of 19mm, 24mm, 26mm, or 27mm. The jug sits steadily flat on the battery casing lip by itself, completely removing hand strain and eliminating the risk of acid slips.
Functional Fluid & Air Return Structures: Featured models like the Return-Tube Series optimize fluid dynamics. As acid flows downwards, internal air or excess fluid returns smoothly through designated channels, entirely eliminating airlocks or dangerous acid spit-backs.
Accurately Mirrored Industrial Pitches: Offers precise inline center-to-center spout pitches including 42mm, 43.5mm, and 52mm, alongside double-row staggered arrays to mirror global battery blueprints flawlessly.
100% Pure Virgin Polypropylene Resin Construction: Body, spouts, and caps are manufactured with zero recycled scrap. It offers excellent chemical resistance under direct continuous exposure to aggressive sulfuric acid without softening or leaching impurities into the battery cells.

Sourcing Intentions & Solving Overseas Clients' Pain Points
Whether you are scaling your commercial business through Private Label Brand Launching, driving high-margin Bulk Wholesale Distribution, or pursuing direct factory Cost Optimization, our manufacturing capability solves critical operational headaches for your Western B2B clients:

Question: What problems can this product solve for overseas clients?
Answer: It perfectly resolves the critical pain points of "exorbitant manual labor costs, slow single-hole refilling bottlenecks, and hazardous acid spill liabilities" in Western workshops. Traditional single-funnel pouring is not only labor-intensive but prone to airlocks that spit acid back. Our multi-spout simultaneous pouring arrays, integrated balance legs, and fluid-return tubes multiply refilling speed, drastically reducing single-battery preparation times and protecting operators from chemical hazards.
Stringent Workplace Safety Regulations: Unstable funnels lead to chemical spills, causing severe compliance penalties under OSHA, HSE, or CE standards. Our hands-free physical balancing legs and fluid-air return designs ensure the container stands stably on the battery casing, offering an enclosed, splash-proof pouring experience that mitigates liability risks.
Fragmented Sourcing Catalogs: Procurement managers waste money managing multiple single-item trading vendors. We offer a unified, professional portfolio spanning 11mm to 23mm spout diameters, including inline, staggered, and return-tube designs. Buying factory-direct from us ensures consistent quality and maximizes your wholesale profit margins.

23mm Anti-Spitback Return-Tube Battery Cell Filler & Dispenser
Lead Acid Battery Plastic Accessories
  • Product Specifications

    Dimensions LxWxH (mm) Outer diameter (mm) Capacity per compartment (ml) Height of support feet (mm)
    Ф50 x 220 23 325 /
About
Taizhou Sanding Molding Co., Ltd.

Taizhou Sanding Molding Co., Ltd., established in November 2007, with Wang Tongliang as its legal representative and a registered capital of 2.28 million yuan, is located at No. 1188 Qihang Road, Sanjia Street, Taizhou Bay New Area, Taizhou City, Zhejiang Province, covering an area of ​​28,000 square meters. It is a private manufacturing enterprise with nearly 20 years of experience in the Molding industry. The company currently has over 100 employees, including 5 professional technicians, 18 administrative personnel, and over 70 production staff. In 2023, it completed customs import and export registration, possessing independent import and export qualifications. Its current operations are stable, with standardized social security coverage and compliant operations.

Regarding core qualifications and technical strength, the company has been recognized as a National High-tech Enterprise, a Science and Technology-based SME, and an Innovative SME. As one of the drafting units of the national standard for battery plastic casings, it passed ISO9001 quality management system certification in 2008, holds 7 qualification certificates and 5 administrative licenses, and has established a standardized production and quality control system. The company possesses an independent mold design and development team and a complete set of mold processing equipment, accumulating deep expertise in the field of battery shell molds. With the technical support of the Taizhou Plastics Research Institute (a Taizhou partner of the Institute of Materials Technology and Engineering, Chinese Academy of Sciences), it has successfully overcome application challenges related to high-temperature resistant ABS and high-temperature flame-retardant ABS materials. As of December 2025, the company held a total of 43 patents, demonstrating outstanding technology transfer capabilities. In terms of testing and production capacity, the company is equipped with a full set of testing facilities, capable of independently completing tests for core indicators such as impact strength, tensile strength, and flame retardancy. It owns over 60 injection molding machines ranging from 200 grams to 20,000 grams, capable of handling injection molded products weighing up to 15 kilograms per piece, with ample production capacity to flexibly adapt to diverse production needs.

The company focuses on mold manufacturing and plastic product R&D and production as its dual cores, covering the entire chain from design and R&D to production and sales. It also possesses supporting capabilities in new material technology R&D and industrial design. In 2023, the company expanded its business scope, adding technology import and export and goods import and export businesses, actively developing both domestic and international trade. The company's core products are primarily battery casings, focusing on energy storage, communication battery casings and other plastic product, such as 23mm Anti-Spitback Return-Tube Battery Cell Filler & Dispenser . It is a leading 23mm Anti-Spitback Return-Tube Battery Cell Filler & Dispenser in the downstream battery industry, having supplied Huawei with high-temperature resistant and flame-retardant ABS battery casings in bulk, earning high praise from this leading client. In terms of diversified expansion, the company entered the bathroom plastic products sector in 2016, achieving mass production and serving well-known local bathroom companies in Taizhou. Simultaneously, it has expanded into furniture plastic products, daily necessities plastic parts, and pet supplies, offering a diverse product range tailored to market demands. In 2020, the company successfully won the bid for the smart toilet seat and back cover mold project from Qingdao Weixi Intelligent Technology, demonstrating its technological strength in the bathroom sector. Furthermore, the company also manufactures automotive and motorcycle parts, and plastic parts for motors and water pumps, leveraging its core molding capabilities to extend into other product categories and enhance its business resilience.

In terms of business model and development layout, the company operates primarily under the ODM/OEM model, providing customers with full-process customized services from product design to mass production and delivery. It also undertakes OEM production orders, balancing profit and capacity utilization. Simultaneously, it is steadily exploring the OBM model, developing its own brands to meet the demands of foreign trade transformation. Domestically, the company has cultivated deep roots in downstream industries such as batteries, sanitary ware, and daily necessities, accumulating stable customer resources. Internationally, it completed its registration and commenced its strategic layout in 2023, focusing on advantageous categories such as energy storage battery casings and targeting overseas new energy and daily necessities markets, possessing a solid foundation for foreign trade expansion. Leveraging the advantages of the Taizhou molding industry cluster, the company uses "precision molds + high-quality plastic products" as its core competitiveness, continuously deepening its presence in the new energy battery casing market while expanding into potential categories such as sanitary ware, daily necessities, and pet supplies. It is steadily promoting integrated domestic and international trade development, striving to become a high-quality molding supplier in its niche markets.