This 11-digit code is broken down into three informative sections that tell you everything about the battery's intended use.
Common symptoms indicating replacement
Manufactured to meet rigid Japanese Industrial Standards (JIS), this high-performance component falls under the Q-85 battery classification . It utilizes Enhanced Flooded Battery (EFB) technology to handle the demanding charge-discharge cycles required by modern Skyactiv engines.
The format 185Q-W2-G10 follows the naming convention of formerly produced under the Mazda (Toshiba) brand in Japan.
: Q-85 (JIS standard designation D23). Technology : Enhanced Flooded Battery (EFB). Voltage : 12V.
Need help identifying the mating connector or terminal part numbers for this code? Let me know, and I can provide deeper cross-reference logic.
A: Since Toshiba discontinued this line, datasheets are rare. Archive.org may have cached technical bulletins, or contact a specialist like BULBTRONICS or Don’s Bulbs.
The Mazda (ZL-VE) represents Mazda at their best: creating small, high-revving engines that are efficient but still fun to drive. If you are looking for a reliable replacement engine or a lightweight swap candidate, this 1.5L motor is an excellent choice—just be prepared for the wiring hurdles that come with a JDM VVT engine.