About This Knowledge Hub

The DINWEY Battery Knowledge Hub is the official technical documentation sub-site of dinweysbattery.com.

Who We Are

DINWEY is the truck and heavy-duty starting-battery brand of Chengguang Energy, a battery OEM factory founded in 2002.

Fact	Detail
Brand	DINWEY
Parent company	Chengguang Energy (founded 2002)
Facility	200,000 m², Jinzhou City, Shijiazhuang, Hebei, China
Production	18 automated lines, 40,000 batteries/day
Focus	Truck / heavy-duty / commercial-vehicle starting batteries (SLI)
Certifications	IATF 16949, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, OHSAS 18001, CE
Contact	martin@dinweys.com · WhatsApp +86 13323237275

What This Hub Is For

This hub provides technical documentation to help engineers, fleet managers, distributors and buyers specify the right truck battery:

• Battery standards (JIS, DIN/EN, BCI, SAE J537)
• Cold Cranking Amps (CCA) and Reserve Capacity (RC) explained
• Selection guides and comparison tables
• Maintenance and troubleshooting
• Application scenarios (long-haul, cold-chain, mining, semi-trailer, generator)

Our Editorial Standards

1. Sourced specifications — all CCA, capacity and dimension values come from Chengguang Energy technical documentation under an IATF 16949 quality system.
2. No unverifiable claims — where a value depends on the vehicle, we say so and direct you to your manual.
3. Team authorship — content is written and reviewed by the DINWEY Technical Team. We do not publish attributed articles under invented individual experts.
4. Transparent dates — every article carries publication and update dates.

How to Use This Documentation

• Buyers & distributors — start with the Selection Guide and Buying Guide.
• Fleet managers — see Fleet Battery Management.
• Engineers — see Battery Standards and 12V vs 24V.

Contact

For product datasheets, OEM/private-label programs and quotations, visit the main site contact page or email martin@dinweys.com.

DINWEY OEM Factory — Truck & Heavy-Duty Starting Batteries This guide is published by DINWEY, the truck-battery brand of Chengguang Energy (founded 2002). Browse the full product range, request a datasheet, or discuss OEM / private-label programs.