2026-09-15
Lexus IS 250/300h 12V Battery & HV Battery Replacement Malaysia
The 12V auxiliary battery (IS 250/350: 65Ah; IS 300h: 45Ah) typically lasts 4–6 years in Malaysia's heat. Replacement The IS 300h high-voltage NiMH battery rarely fails before 150,000 km but replacement at a Lexus dealer costs. Independent specialists can rebuild hybrid battery packs from.
IS 12V Battery Replacement
- 12V auxiliary battery: replace every 3 years in Malaysia's heat — proactive is cheaper than breakdown
- IS 250/350: Group 24F or equivalent AGM (check owner's manual)
- IS 300h hybrid: also has a separate high-voltage NiMH battery — not user-serviceable, capacity test via Techstream