Using Booster Battery

CAUTION: Avoid injury! The battery produces a flammable and explosive gas.

To prevent the battery from exploding:

  • Do not smoke or have open flame near battery.
  • Wear eye protection and gloves.
  • Do not jump-start or charge a frozen battery. Warm battery to specification.

    ItemMeasurementSpecification
    BatteryTemperature16°C (60°F)

  • Do not connect the negative (-) booster cable to the negative (-) terminal of the discharged battery. Connect at a good ground location away from the discharged battery.

MXAL42872
MXAL42872-UN-09APR13

A - Booster Battery

B - Disabled Vehicle Battery

C - Positive (+) Post

D - Positive (+) Post

E - Negative (-) Post

F - Negative (-) Booster Cable End


  1. Connect positive (+) booster cable to booster battery (A) positive (+) post (C).

  2. Connect the other end of positive (+) booster cable to the disabled vehicle battery (B) positive (+) post (D).

  3. Connect negative (–) booster cable to booster battery negative (–) post (E).

  4. IMPORTANT: Avoid damage! Electric charges from the booster battery damages machine components. Do not install negative booster cable to machine frame. Install only to the engine block.

    Install negative booster cable away from moving parts in the engine compartment, such as belts and fan blades.

    Connect the other end (F) of negative (–) booster cable to a metal part of the disabled machine engine block away from battery.

  5. Start the engine of the disabled machine and run machine for several minutes.

  6. Carefully disconnect the booster cables in the exact reverse order: negative cable first and then the positive cable.

MP47322,00F4672-19-20150605