0
votes
1answer
134 views

Portable phone charger information for iPhone4

How to determine negative and positive power source on phone charger by color code between red or white ?
2
votes
1answer
304 views

Should the MacBook Air have the same amount of charge as its stated capacity when 'Full Charged'?

The following is an extract from System Information (under power): Charge Information: Charge Remaining (mAh): 6517 Fully Charged: Yes Charging: No Full Charge Capacity (mAh): 6690 ...
5
votes
1answer
246 views

Can anything cause the battery “cycles count” to appear higher than it really is?

Is there anything that could cause the battery's "cycles count" in the Power section of System Information app to report number of charge cycles greater than the actual number? I ask because the ...