Top 10 Lead-Acid & AGM Battery Manufacturers in China (2026): Factory Guide for Distributors
Comprehensive 2026 guide to China's top lead-acid and AGM battery manufacturers. Compare factory scale, certifications, battery types, OEM capability, and export markets. Insider sourcing tips from a manufacturer with 18 years of export experience.
Why China Dominates the Lead-Acid & AGM Battery Market
China manufactures over **55% of the world's lead-acid batteries**, producing more than 250 million KVAH annually across an estimated 2,000+ factories. For distributors, wholesalers, and OEM buyers, sourcing from China is not optional — it is the global default.
But the sheer number of factories creates a real problem: **how do you separate the 50 serious manufacturers from the 1,950 trading companies and small workshops?**
This guide profiles 10 verified lead-acid and AGM battery manufacturers in China, ranked by a combination of production capacity, export track record, product range, and quality certifications. Every company listed here operates its own factory (not a trading company), holds internationally recognized certifications, and actively exports to multiple continents.
We wrote this from a manufacturer's perspective — because we are one. Naradex has been manufacturing AGM batteries in Foshan, Guangdong since 2006. We know this industry from the inside, and we will share details that most "top 10" lists leave out.
How We Selected These Manufacturers
Our selection criteria:
- **Own factory verified** — must operate manufacturing facilities, not resell from other factories - **International certifications** — minimum ISO 9001 + CE or UL; IEC 60896 testing for VRLA products - **Active export business** — documented shipments to 30+ countries minimum - **Lead-acid / AGM focus** — companies where lead-acid batteries represent a core product line (not a side business) - **Minimum 10 years in business** — eliminates fly-by-night operations
The Top 10 at a Glance: Comparison Table
Detailed Profiles
1. Naradex (CSPower Battery Tech / Best Battery Tech)
- **Headquarters:** Shenzhen, Guangdong (sales & export) - **Factory:** Foshan, Guangdong — 20,000 m2 production facility - **Founded:** 2006 - **Employees:** 400+ - **Annual Capacity:** 400,000 KVAH - **Product Range:** 12V AGM batteries (7Ah-250Ah), 2V stationary AGM (150Ah-3000Ah), OPzV tubular gel, front-terminal AGM, deep cycle gel - **Certifications:** CE, IEC 60896-21/22, IEC 61427, ISO 9001/14001/45001, RoHS, MSDS - **Export:** 100+ countries across Asia, Africa, Middle East, Europe, and Latin America
Why distributors choose Naradex:
Naradex is a specialist, not a conglomerate. While the companies ranked 2-6 on this list are publicly traded giants producing everything from e-bike batteries to lithium ESS, Naradex focuses exclusively on **backup and stationary lead-acid batteries** — UPS, telecom, solar storage, and emergency power.
This specialization matters for distributors because:
- **12-year design life** on the flagship ND12 series (verified by accelerated float life testing per IEC 60896-22 at 40 degrees C) - **PAM+ additive technology** delivers 30% more cyclic life than standard AGM — 1,200 cycles at 50% DOD versus the industry average of 500-800 - **UPS compatibility tested** with Schneider, ABB, EATON, Huawei, APC, Vertiv, Delta, and 8 more major brands - **Flexible OEM:** custom branding from 1 x 20ft container (960-2,800 units depending on model), with private-label economy batteries also available for price-sensitive markets - **MOQ as low as 10 units** for sample/trial orders — most Tier 1 factories require full container minimums
For a deeper look at our manufacturing process, see our storage battery manufacturer selection guide.
2. Tianneng Battery Group (天能电池)
- **Headquarters:** Changxing, Zhejiang - **Founded:** 1986 - **Employees:** 30,000+ - **Annual Capacity:** 80+ GWh (largest lead-acid battery producer in China by volume) - **Product Range:** Electric vehicle lead-acid, SLA/VRLA, AGM, GEL, starter batteries, lithium batteries - **Certifications:** ISO 9001, ISO 14001, OHSAS 18001, UL, CE, RoHS, CB, BIS, SONCAP - **Export:** Global, with particular strength in Southeast Asia, South Asia, and Africa
Profile: Tianneng is the single largest lead-acid battery manufacturer in China by production capacity. Listed on the Hong Kong Stock Exchange (HK: 0819), the company dominates the Chinese electric two-wheeler battery market with over 40% market share. Their starter battery and stationary VRLA lines are manufactured to JIS, DIN, and SCI international standards.
Distributor note: Tianneng's scale means competitive pricing on high-volume standard products, but their primary focus is the domestic Chinese e-bike market. International OEM orders for stationary AGM batteries may not receive the same priority as their core business lines. MOQ tends to be high (multiple containers), and lead times can extend during domestic peak seasons (March-May, August-October).
3. Chilwee Group / Chaowei Power (超威动力)
- **Headquarters:** Changxing, Zhejiang - **Founded:** 1998 - **Employees:** 20,000+ - **Annual Capacity:** 200+ million battery units per year - **Product Range:** Electric vehicle lead-acid, motive power, VRLA AGM, gel, lithium - **Certifications:** ISO 9001, ISO 14001, CE, UL - **Export:** 100+ countries, 108 subsidiaries worldwide - **Revenue:** Approximately $7.8 billion (trailing 12 months as of mid-2025)
Profile: Chaowei (listed on the Hong Kong Stock Exchange, HK: 0951) competes directly with Tianneng for the #1 position in China's lead-acid battery market. Approximately 84% of revenue comes from electric bicycle batteries. The company operates eight production bases across China with a vertically integrated supply chain including lead smelting and recycling.
Distributor note: Like Tianneng, Chaowei's enormous scale delivers pricing advantages but primarily serves the domestic EV battery market. For distributors specifically seeking stationary AGM or UPS-grade batteries, Chaowei's product mix may not align well — their engineering resources and production lines are optimized for motive power applications. Custom OEM orders for backup batteries may be treated as secondary priority.
4. Narada Power Source (南都电源)
- **Headquarters:** Hangzhou, Zhejiang - **Founded:** 1994 - **Employees:** 7,000+ - **Annual Capacity:** 30+ GWh - **Product Range:** VRLA AGM, GEL, OPzV tubular, lithium LFP, energy storage systems - **Certifications:** CE, UL, IEC, TLC, ISO 9001 - **Export:** 150+ countries - **R&D:** 200+ dedicated R&D engineers
Profile: Narada is a publicly listed company (Shenzhen Stock Exchange: 300068) and one of China's most internationally recognized battery brands. Their strength is in telecom backup and utility-scale energy storage, with significant installations across Africa, Southeast Asia, and the Middle East. Narada operates a large R&D center in Linan, Hangzhou, with substantial investment in next-generation lead-carbon and lithium technologies.
Distributor note: Narada is well-suited for distributors serving telecom operators and large-scale energy storage projects. Their pricing reflects their brand premium and R&D investment — expect 15-25% higher costs than mid-tier manufacturers for equivalent capacity ratings. MOQ is typically full container or project-based.
5. Sacred Sun Power Sources (圣阳电源)
- **Headquarters:** Qufu, Shandong - **Founded:** 1991 - **Employees:** 3,000+ - **Annual Capacity:** 15+ GWh - **Product Range:** VRLA AGM, OPzV tubular gel, lithium LFP, integrated energy storage solutions - **Certifications:** CE, UL, IEC, ISO 9001/14001/45001 - **Export:** 100+ countries - **Listed:** Shenzhen Stock Exchange (002580)
Profile: Sacred Sun has built a strong reputation in industrial battery applications — telecom towers, solar hybrid systems, and railway signaling. Their OPzV tubular gel batteries are particularly well-regarded in the African telecom market, where extreme temperatures and unreliable power grids demand high-durability products. The company has invested heavily in automated production lines and lead recycling infrastructure.
Distributor note: Sacred Sun offers competitive pricing for mid-to-large volume orders in the 2V OPzV and stationary AGM segments. Their sales team is experienced with international distributors and can support technical documentation in English. Lead times are typically 25-35 days for standard products.
6. Leoch International Technology (理士国际)
- **Headquarters:** Shenzhen, Guangdong - **Founded:** 1999 - **Employees:** 16,000+ - **Annual Capacity:** 29.8 GWh - **Product Range:** VRLA AGM, GEL, OPzV, OPzS (flooded tubular), pure lead, lithium LFP - **Certifications:** CE, UL, IEC, ISO, TUV - **Export:** 100+ countries, #1 lead-acid battery exporter from China - **Factories:** 16 production facilities — 8 in China, 2 in Vietnam, 3 in Malaysia, 1 in India, 1 in Sri Lanka, 1 in Mexico
Profile: Leoch claims the title of China's largest lead-acid battery exporter, and their global factory network supports this claim. With production facilities on four continents, Leoch can serve distributors with local manufacturing in key markets — reducing freight costs and import duties. Their product range is one of the broadest in the industry, from small 6V 4Ah alarm batteries to 2V 3000Ah stationary cells.
Distributor note: Leoch's scale and global presence make them a strong choice for distributors who need a single supplier across multiple battery types. However, their broad product range means quality can vary between product lines — always request samples from the specific factory and product line you intend to purchase. OEM branding is available with reasonable MOQs.
7. Shuangdeng Group / Shoto (双登集团)
- **Headquarters:** Taizhou, Jiangsu - **Founded:** 1990 - **Employees:** 3,200+ - **Annual Capacity:** 210 million AH per month - **Product Range:** VRLA AGM, GEL, OPzV, lead-carbon, lithium, hydrogen fuel cells - **Certifications:** CE, UL, IEC, ISO 9001/14001 - **Export:** 80+ countries, 20+ overseas branch offices, 5 international warehousing centers - **Factories:** 6 major battery and pack manufacturing bases
Profile: Shuangdeng (also marketed internationally as "Shoto") has grown from a regional battery maker into a diversified energy storage company. Their telecom battery installations span Southeast Asia, Africa, and Central Asia. The company has been particularly aggressive in developing lead-carbon hybrid batteries for solar cycling applications, which offer better cycle life than traditional AGM while remaining significantly cheaper than lithium.
Distributor note: Shuangdeng's international warehousing network (five centers globally) is a significant advantage for distributors who need faster delivery than the standard 30-day factory lead time. Their lead-carbon batteries are worth evaluating for solar applications where lithium is too expensive but standard AGM does not cycle deeply enough.
8. Ritar Power (瑞达电源)
- **Headquarters:** Shenzhen, Guangdong - **Founded:** 2002 - **Employees:** 3,000+ - **Annual Capacity:** 10+ GWh - **Product Range:** AGM, GEL, OPzV, lead-carbon, lithium LFP, chargers - **Certifications:** CE, UL, IEC, ISO - **Export:** 100+ countries - **Listed:** Previously NASDAQ-listed; 3 manufacturing bases (Shenzhen, Shanghai, Hengyang)
Profile: Ritar is one of the few Chinese battery manufacturers to have listed on NASDAQ (2007), giving them early exposure to international compliance and governance standards. Their product range covers the full spectrum of sealed lead-acid batteries from 2V to 12V, plus a growing lithium LFP line. Ritar's factory in Hengyang, Hunan handles the bulk of AGM and gel production, while the Shenzhen facility focuses on R&D and premium product lines.
Distributor note: Ritar offers competitive pricing in the mid-tier segment and is generally more responsive to smaller OEM orders than the top-5 giants. Their 19 production lines provide good capacity flexibility. Quality is consistent for their core AGM and gel lines.
9. Vision Group (威神集团)
- **Headquarters:** Shenzhen, Guangdong - **Founded:** 1994 - **Employees:** 5,000+ - **Annual Capacity:** 15+ GWh - **Product Range:** AGM, GEL, OPzV, front-terminal, high-rate UPS batteries - **Certifications:** CE, UL, IEC, ISO - **Export:** 80+ countries - **Factories:** 3 locations — Shenzhen, Hubei, Vietnam (2.8 million sq ft total)
Profile: Vision was once the largest lead-acid battery exporter from China (around 2000) and remains a significant player in the UPS and telecom battery segments. Their factory scale is substantial, and the Vietnam facility provides a manufacturing alternative for buyers seeking to diversify supply chains away from mainland China. Vision's front-terminal battery line is well-established in the data center market.
Distributor note: Vision's front-terminal AGM batteries are competitively priced for the 19-inch rack-mount data center market. Their Vietnam factory can be advantageous for buyers in ASEAN markets (reduced tariffs under AFTA) or those seeking supply chain diversification.
10. CSB Energy Technology
- **Headquarters:** Shenzhen / originally Taiwan - **Founded:** 1987 - **Employees:** 4,000+ - **Annual Capacity:** 10+ GWh - **Product Range:** High-rate AGM for UPS, telecom VRLA, general-purpose SLA - **Certifications:** UL, CE, IEC, ISO, VdS (German fire safety) - **Export:** Global — one of the most widely specified brands in UPS applications
Profile: CSB (originally a Taiwanese company, now with major manufacturing in mainland China) has built a premium reputation for high-rate AGM batteries optimized for UPS applications. Their HR and HRL series are specified by major UPS manufacturers worldwide, including Schneider-APC and Eaton. CSB's engineering focus on high-rate discharge performance (watts per cell at 15-minute rate) has made them a benchmark in the UPS battery segment.
Distributor note: CSB commands premium pricing (20-40% above Chinese competitors for equivalent capacity) but delivers consistent quality and strong brand recognition in the UPS channel. Their distribution model often involves exclusive territory agreements — check availability in your region before committing.
How to Choose the Right Manufacturer for Your Distribution Business
Match Factory Strengths to Your Market
The biggest mistake distributors make is choosing a manufacturer based solely on price. Here is a better framework:
If you sell primarily UPS batteries: Naradex, CSB, or Vision. All three specialize in backup power and test compatibility with major UPS brands. Naradex offers the best combination of quality and competitive pricing with flexible MOQs. CSB has premium brand recognition but higher cost. Vision provides data center rack-mount specialization.
If you sell telecom batteries: Narada, Sacred Sun, or Shuangdeng. These three dominate the telecom tower battery market globally, with proven track records in harsh environments and deep cycling.
If you need broad product range from one supplier: Leoch or Ritar. Both offer comprehensive catalogs from small SLA to large 2V stationary, plus lithium options — simplifying your supply chain.
If you need ultra-high volume at the lowest price: Tianneng or Chaowei. Their scale is unmatched, but expect high MOQs and limited OEM flexibility for non-core products.
The OEM Decision: Private Label vs. Manufacturer Brand
For distributors building their own battery brand, OEM capability matters:
Naradex offers a unique advantage for new distributors: our unbranded economy battery line ships with blank labels, allowing you to test market demand before committing to full OEM branding.
Certifications: What to Verify
Not all certifications are equal. Here is what matters for lead-acid battery imports:
- **CE marking** — Required for EU market entry. Verify the certificate number on the issuing body's website. - **IEC 60896-21/22** — The international standard for stationary VRLA batteries. Tests capacity, float life, and cycle endurance. If a manufacturer claims compliance but cannot produce the test report, walk away. - **UL 1989** — Required for North American UPS market. UL listing means ongoing factory inspections, not just initial testing. - **ISO 9001** — Quality management system. Table stakes — any serious manufacturer has this. - **RoHS** — Required for EU. Exemption 6(a) applies to lead in batteries, but the declaration must be current.
Shipping and Logistics for Lead-Acid Batteries
Lead-acid batteries are classified as **UN2800 (non-spillable wet electric storage batteries)** for shipping:
- **Sea freight** — Standard shipping, no DG (dangerous goods) surcharge for most carriers when batteries pass the vibration and pressure differential tests per IATA Special Provision A67 - **Air freight** — Permitted under IATA DG regulations Section II with proper MSDS and packaging. Expect a 20-30% surcharge over standard air rates - **Container loading** — A standard 20ft container holds approximately 960 units of 12V 100Ah (24 pallets x 40 units) or 2,800 units of 12V 7Ah - **FOB pricing** — Most Chinese manufacturers quote FOB Shenzhen, Ningbo, or Shanghai. Sea freight from Shenzhen to major ports adds $2-4 per 12V 100Ah battery
For a detailed sourcing walkthrough including payment terms and quality inspection, read our OEM buyer's guide.
Red Flags When Sourcing from China
After 18 years exporting batteries from Foshan, we have seen every sourcing mistake. Watch for:
1. **"Factory" with no factory photos** — Request video of the production line with your company name written on a whiteboard in frame. Trading companies cannot do this. 2. **Unusually low weight** — Lead is expensive. A 12V 100Ah AGM battery should weigh 28-32 kg. If a supplier quotes 24 kg, they are using less lead — the battery will underperform and fail early. 3. **No IEC test reports** — Cycle life and float life claims without IEC 60896 test reports are marketing, not engineering. 4. **Certificates with expired dates** — ISO and CE certificates must be current. Check the validity period. 5. **MOQ of 1 piece at OEM prices** — Real factories have real MOQs. If someone offers OEM branding on 1 unit, they are a trading company sourcing from various factories. 6. **Cannot explain plate alloy composition** — A real manufacturer knows their grid alloy (Pb-Ca-Sn ratio). A trader does not.
Related Resources
- Top 10 UPS Battery Manufacturers in China (2026) — Focused on the UPS segment - How to Choose a Storage Battery Manufacturer — Detailed factory evaluation criteria - Source Backup Batteries from China: OEM Guide — Step-by-step sourcing walkthrough - SLA Battery Buyer's Guide — Application-based selection guide - AGM Battery Cycle Life Testing — What 800 cycles really means - Unbranded Economy Battery — Ready for your brand, factory direct - 12V AGM Battery Products — Naradex ND12 series