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Mitsubishi — Battery Recharging

Maintenance

From a Mitsubishi owner's manual — check it applies to your exact model before use.

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Before you start

  • Electrolyte is dilute sulphuric acid and very corrosive.
  • Battery generates hydrogen; keep fire away.

Procedure

  1. Remove the port plug and keep away fire, cigarettes and sparks.
  2. Carry out a slow charging operation at 4.5 amp.
  3. If specific gravity is below 1.200, make lower rate charging at 3 amp.
  4. Check the electrolyte level between lower and upper marks and add distilled water as needed.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Charge at 4.5 amp; 3 amp if specific gravity below 1.200
  • Specific gravity 1.280 +/- 0.010 at 20 C (68 F)

Source: Mitsubishi owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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