![]() ![]() Note: Images can be clicked to view a larger size. When the folks at Energizer asked if I would like to review one of their chargers, I gladly accepted and they sent me a sample of their new Recharge Value AA/AAA NiMH Battery Charger. I’ve been using an ancient Realistic (Radio Shack) branded charger for years and although it charges batteries just fine, it’s bulky and not efficient because it continues to charge the batteries even after they are fully charged. How many devices, toys and gadgets do you own that use AA or AAA batteries? Do you feed these devices standard alkaline batteries, or do you use rechargeables? I personally prefer to go the rechargeable route mainly because it’s easier and less expensive for me to pop a set of drained batteries into a charger and wait for them to rejuice, then it is for me to drive to the store and buy a brand new set. ![]() If you buy something through the links on this page, we may earn a commission at no cost to you. Now that you have learned about the differences in rechargeable batteries, you will be able to make the best choices for your devices.We use affiliate links. Try to charge rechargeable batteries with the same capacity and energy level simultaneously. ![]() When charging, avoid mixing batteries with varying capacities. If you are not using the batteries right away, store them in a cool, dry location. Since NiMH AAA and AA batteries do not suffer from the memory effect, you can charge them at any time, no matter how much charge is left. Pre-charged batteries typically have enough charge to be used straight after purchase. How often should batteries be charged?ĪA and AAA rechargeable batteries should be charged the first time before you use them, unless they came pre-charged. It's a good practice to charge all batteries of the same type rather than mixing the two when charging your batteries. Consider a smart charger, which has circuitry to detect when batteries are fully charged and then shuts off. Some models can recharge both NiMH and NiCad types. To recharge NiMH batteries, be certain that the charging appliance can handle that type of battery. To get the most use and benefit from rechargeable products, use a charger that is the same brand as your battery. What kind of charger do rechargeable batteries need? If the battery has a higher rating, it can run longer. For example, a AA battery rated at 1800 mAh can provide 1800mA continuously for one hour. This makes them a good choice for use in rugged or high-temperature situations.Īn important thing to know is that all batteries have an mAh rating. NiCad batteries can be safely stored at temperatures between -4 and 113 degrees Fahrenheit. These batteries can be used for either high- or low-drain appliances. This battery type will not lose its ability to retain its full voltage capacity after charging. Batteries made of this material are environmentally safe and have a high power capacity. The important thing is that those items you need or want at your fingertips have batteries that are ready to work. ![]() Some batteries are made for low-drain appliances like clocks and remote controls while others are intended for high-drain devices such as cameras and media players. Rechargeable batteries can power demanding devices without needing to find replacements. ![]()
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