NLBA1 Universal Tester can be used by anyone who wants to diagnose, repair, revive/wake up, charge, discharge, calibrate or measure real capacity of almost all laptop batteries on the market. LED blinks 5 times then turns solid for 5 seconds, color Green LED blinks 4 times then turns solid for 5 seconds, color light Green LED blinks 3 times then turns solid for 5 seconds, color Orange LED blinks 2 times then turns solid for 5 seconds, color light Orange LED blinks 1 time then turns solid for 5 seconds, color RED Intelligent Battery Status displayed on bi-color Green/Red LED with built in output short protection function with built in reverse polarity protection (if battery cable is connected incorrectly) Please contact us if unsure of compatibility)Ī1181, A1185, MA561, MA561FE/A, MA561G/A, MA561J/A, MA561LL/A, MA566, MA566FE/A, MA566G/A, MA566J/A etc.Ĭharges Batteries for the following Apple Laptop Models: Ideal for charging your spare battery outside the laptopĬharges Apple Laptop Batteries with the following part numbers: I do remember having an appointment for a battery issue once, and they had a MagSafe adapter right under the counter, and plugged it in before diagnosing with an iPod through USB.ĭid you check System Report under Hardware>Power? You might also try installing coconutBattery.External (Standalone) Battery Charger for Various Apple Laptop Battery Models. I might have suggested going to an Apple Store, but at this point I'm not sure they have any available behind the counter (although some MagSafe 1 machines are still technically supported). Maybe you know someone else with a MagSafe adapter? It doesn't even need to be the same power rating since they all should work to some degree. That's what's controlling the light on the MagSafe head, although if it doesn't light up there's a chance that the LED is malfunctioning or that the adapter has an issue.ĭo you have another power adapter? I've got two, so I'm equipped to rule out a bad adapter if I had a problem similar to yours.
It's a DC power supply, but Apple calls it a "power adapter". It's not technically a charger although I know it's commonly called that. Just a few things that might help to understand how it works. I already tried resetting the SMC like 5 times and it hasn't fixed it. The macbook does not recognize it as charging and it charges extremely slowly. I plugged in my charger and the light won't come on.