Toshiba Satellite A40 User Manual page 107

5. Slide the battery release latch to free the battery pack for removal
after switching the battery safety lock into unlock position (direction
opposite to the battery), then slide out the battery pack.
For environmental reasons, do not throw away a spent battery pack.
Please return spent battery packs to your TOSHIBA dealer.
TOSHIBA A40 Series
Releasing the battery pack
Power and Power Up Modes
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