I say that you should just get a new battery and a silicone sleeve for your spare batteries.
R150-R200 for a new battery is cheaper than plastic surgery for your hand, and R25 for a silicone sleeve is cheaper than getting your left nut replaced
	
		
			
		
		
	
				
			R150-R200 for a new battery is cheaper than plastic surgery for your hand, and R25 for a silicone sleeve is cheaper than getting your left nut replaced