
11v or less resting is a pretty dead battery. Then wait another hour or so and see if drops. Each bulb charges when in use and can function as mobile lights or back-up lighting when the power. If it successfully starts, turn it back off and measure voltage. Let your light shine with this set of multi-socket LED bulbs.

If it drops to 9v or less, it’s on it’s way out. Have somebody turn the key while you continue to measure the voltage. Measure the voltage at the battery before the first start of the day. You should easily have over 90 minutes reserve energy with a healthy battery, so 30 minute shouldn’t make a dent.īut a multimeter is your friend here. You can also use the same method I used - leave the radio on for a while and see if the battery craps out. Philips rechargeable LED bulbs deliver a sense of care to your loved ones. Power outage can be harmful to the wellbeing of our elders, children and people in need of medical assistance. 11v or less resting is a pretty dead battery. Philips rechargeable LED bulb with robust design and industry best reliable battery back up makes you feel relaxed and safe. If it successfully starts, turn it back off and measure voltage. GE Lighting LED+ Backup Battery Light Bulb, Rechargeable, Soft White, Medium Base (1 Pack) GE 8. Measure the voltage at the battery before the first start of the day (or at least a couple hours since the vehicle has been run). Headed to the parts store for another battery and zero issue since.īut a multimeter is your friend here. Emergi-Lite Dual Head LED Emergency Light with Battery Backup. I let it sit for 20 or 30 minutes and it mustered up enough energy for one more VERY SLOW crank to start. I turned the key off then back on to start and got nothing but ‘click’. After about 10 minutes, the radio started behaving strangely and then the sound cut out. Last year, I parked the truck and turned off the motor but left the radio on to finish up a phone call. How old is the battery? I’ve been running an AGM in my tundra for 7 or 8 years and it would seem to turn a little slower in the morning, but it was winter and it was cold outside, but for a couple of days, the first start would be a little slower than normal.
