Tokai TC-138 Manuel D'utilisation page 15

BATTERY CARE
1. Use only the size and type of batteries specified.
2. If the unit is not to be used for an extended period of time, remove the
battery. Old or leaking batteries can cause damage to the unit.
3. Do not try to recharge batteries not intended to be recharged; they can
overheat and rupture (Follow battery manufacturer's directions).
4. Do not dispose of batteries in fire, batteries may leak or explode.
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