SOURCE: Battery Charger displays green blinking light
This is likely a code from the computer system on the CMM1200 that the batteries no longer hold a charge. If you have a voltmeter, a "quick test" is to put the batteries on the charger for at least 8 hours and then test the DC voltage of the batteries. Test each battery separately by taking the cables off and testing the battery at the positive and negative lead. If they read less than 11.5 volts, you need a new battery set. You can get replacements from www.batteryinternational.com/universal-battery-ub12180-batteries-by-brand-universal-battery-nb.html. The model you have requires two of these batteries. Hope this helps.
SOURCE: my blackberry bold screen is black with a red light on
no. make sure you have the USB charger driver for your computer. you should be able to download this at blackberry.com for free. your blackberry likely just doesn't realize that it's plugged in and won't charge via USB without that driver.
SOURCE: headset not charging
Sometimes it takes longer than two hours. Leave it plugged in overnight if you can. The indicator light should go off after fully charging.
SOURCE: when put on charge the green and red light flash
Yep, not the batteries, mine is doing the same thing but my second charger works fine with the same batteries
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