This article introduces the instructions for using the RA alkaline battery charger, including the charging method, the advantages of constant voltage charging, the advantages of parallel charging, and the principles of using alkaline batteries. It also introduces the specifications and operation instructions of the USB dual slot charger.
This manual describes the RA alkaline battery charger’s operation. It uses a constant‑voltage (1.65 VDC) charging method with parallel charging, allowing mixed AA, AAA, Regular and XL cells to be charged together safely.
Key specifications include a 5 VDC 500 mA input, 1.7 VDC max output at up to 150 mA, with typical charging times of 18 h for AA and 9 h for AAA cells. A green LED indicates charging complete or no battery present, while the LED off indicates charging in progress. The charger is limited to RA alkaline batteries; using other types may cause leakage or explosion. This manual is written in Chinese.
| Input voltage | 5VDC 500mA |
|---|---|
| Output voltage | 1.7VDC max |
| Max charging time (AA) | 18 hours |
| Max charging time (AAA) | 9 hours |
The charger requires a 5 VDC input at 500 mA.