Check with the manufacturer. Even the replacement batteries in my off-brand (Oneac) UPS at work were requested back by the manufacturer. Sure, there's cost involved, but they'll know what to do with it.
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FireFox31
110gig MKIIa (30+80), Eutronix lights, 32 meg stacked RAM, Filener orange gel lens, Greenlights Lit Buttons green set