safety cell battery
Join Date: Jul 1999
Location: 58-33N. 00-18W. Peterborough UK
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Join Date: Dec 2001
Location: England
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Possibly one designed not to leak at low outside pressure (many cells are presurised by charging) ....
http://www.kennedysdisease.org/disc_travel_tips.html
Quote: Most modern power-operated wheelchairs have some form of safety battery so that they can be carried without risk of damage to the aircraft
http://www.kennedysdisease.org/disc_travel_tips.html
Quote: Most modern power-operated wheelchairs have some form of safety battery so that they can be carried without risk of damage to the aircraft