SLI (starting, lighting, ignition) battery guide — how it works, the full 14-model Chengguang range (45–200 Ah), CCA selection by engine, and JIS vs DIN…

Marine battery guide — boat starting vs house banks, AGM for marine duty, sizing two banks, and the Chengguang marine range from 65D26 to 190H52.

JIS battery standard guide — how to read a JIS model number, B00 vs B13 mounting, the 7-model Chengguang JIS range, and JIS vs SAE CCA.

EFB (enhanced flooded battery) guide — how EFB works, EFB vs AGM vs standard flooded, and when EFB is the right entry-level start-stop battery.

DIN battery standard guide — how to read a DIN model number, B13 bottom-rail mounting, the 7-model Chengguang DIN range, and DIN vs JIS interchange.

Deep cycle battery guide — deep cycle vs starting battery, flooded/AGM/GEL construction, sizing a battery bank, and Chengguang deep-cycle options for solar and…

Commercial vehicle battery guide — truck and bus battery requirements, 24 V systems, the heavy-duty range (145G51/190H52), and buying considerations.

Car battery buying guide — how to choose the right automotive battery by vehicle segment, CCA and C20 capacity, climate, and the Chengguang 14-model range.

Automotive battery OEM & private label manufacturing in China — IATF 16949 factory, 7-step OEM process, 6 customization services, 40,000/day capacity since…

AGM (absorbent glass mat) battery guide — how AGM works, cycle life and charge acceptance, AGM vs EFB vs flooded SLI, and when to choose AGM for start-stop and…