Generic chinease in frame battery case.
Sticker if probably added by customer.
Standard lock. Engraving tells its made in china and the case was designed or maby also moulded in 2012.
The lock also controlls the positive lead. Only 4/5 pin are used for discharge.
The case says Sanyp 17ah/630Wh but its Panasonic B at 16,75 and 603Wh.
Charger is fast charger, 4A, most likely from Modiary.