Honda EU70iSN Owner's Manual page 58

SERVICING YOUR GENERATOR
Battery Removal
Battery posts, terminals, and related accessories contain lead and lead
compounds. Wash hands after handling.
1.Lift the handle upward. The lock levers will lock and secure the 
handle in place.
HANDLE
HANDLE LOCK LEVER
2.Loosen the cover screw and remove the battery maintenance cover.
COVER SCREW
BATTERY MAINTENANCE COVER
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