This unit powers up fine, and no further testing was performed.
 
IT USED WITH NIKON ND-160 SURVEYING DISTANCE MEASUREMENT EQUIPMENT.
 
Only apparent issues are a missing "foot" on the bottom, and no hood which would attach to the charging plug.
 
There are no attachments included which would be used with the 12 and 8.4 volt DC jacks.
 
BUY IT NOW For $44.99!!!
 
The original, undamaged, and unopened unit as shown (with "AKG" stickers intact) is guaranteed for 7 days. After this period, it will be considered to be exactly as described, and the sale is then final. NO PARTIAL REFUNDS. Shipping costs are not refundable.
 
A SPECIAL NOTE: If there is no "Best Offer" option on an All Sorts Of Goods Store item, the price is firm. 

No need to e-mail with offers or inquiries about lowering the price.