Yes, the Rayovac value charger lets you know once the charge time is complete.
Yes, the Rayovac value charger from Wal-Mart does have the red and green indicator lights.
It is not advisable to charge different brands of rechargeable batteries in a Rayovac Smart charger.
I would suggest carefully reading all the instructions that came with your specific charger for a correct answer to this. Some Rayovac chargers are designed for one and only one battery chemistry, while others can handle different chemistries as long as all batteries in the charger at one time are the same chemistry and yet others actually allow mixed chemistries at the same time.
you get a new charger
I have just plugged in my BB USB charger into the Jawbone and it is charging(charging from my laptop). Not sure if the BB wall charger works with the Jawbone....
All what you need to do is to check your charging system if it is working properly. Second thing you can check your charger-socket and your charger head i mean the transformer.
The light on the dual charger will turn green. When it is charging the light is red.
The charging time for a 3.7-volt battery depends on its capacity (measured in milliamp hours, or mAh) and the current of the charger used. For example, a 1000mAh battery charged with a 500mA charger would take approximately 2 hours to fully charge. However, charging times can vary based on the specific battery chemistry and charger efficiency. Always refer to the manufacturer's specifications for the most accurate charging times.
A battery charger may surge during charging due to fluctuations in the power supply, a faulty charger or battery, or issues with the charging circuitry. Surges can cause damage to the battery or charger if not addressed promptly. It is recommended to stop charging if surging occurs and investigate the cause to prevent further damage.
You can get a charger that is capable of charging the 2s Lipo at Amazon and Ebay.
Phone will charge faster with a larger charging current. Charging current depends on voltage, so your home charger likely has a higher voltage and therefore a higher charging current.
If you need 4 AA batteries, buy the Duracell. If you only need two, buy the Ray-o-Vac, it's cheaper.