In this article, I will take apart a Li-ion alternative to the classic 6F22 9V battery. This battery is a Chinese 9V/500mAh USB rechargeable Li-ion battery (sold under the brand name infinite). The ...

If you’re looking for a neat DIY project this weekend, then this DIY 9V Battery USB charger could be a fun gadget to create. With only a few components, including a 9V battery, a female USB port from ...

Energy-storage devices such as batteries continue to change how people live. Here's an article that will point you toward the design of your own linear Li-ion battery charger using today's ...

Milpitas, Calif. — Housed in a 5-lead 1-mm high SOT-23 package, the LTC4054 Li-ion battery charger IC can deliver up to 800-mA charge current without requiring an external resistor. The charger IC ...

Testing a Li-ion battery charger using its natural load (i.e., a battery) is time consuming because the charging process can take an hour or more. The test time varies widely, depending on whether you ...

Delta-Q has released four new high frequency Lithium battery chargers. The ICL1200 and ICL1500 in 85V and 120V models in the manufacturer’s ICL Series are fulfilling a demand from customers to produce ...

That phone in your pocket is a modern miracle. Ditto the laptop on your desk, the tablet in your backpack, maybe even the watch on your wrist. And regardless of what each is capable of, they all have ...