Battery Charger Panasonic BQ-CC87USB USB charger for eneloop Ni‑MH AA/AAA batteries, automatic charge termination

Panasonic BQ-CC87USB is a USB-powered charger for eneloop Ni‑MH AA and AAA rechargeable batteries. It features four independent channels with 3-color LED indicators that show battery capacity, charging status and perform a basic battery life check. The unit does not include a mains power cord and charges when connected to any standard USB power source; it also provides a power-bank function to charge other USB devices.

Advantages

The charger supports individual or paired charging of 1–4 AA or AAA batteries, provides automatic charge termination to reduce the risk of overcharging, and gives per-channel visual feedback via three-color LEDs. Charging times vary by cell type and number of cells, and the BQ-CC87USB is compatible with NiMH batteries from other brands. Its USB power input and USB output for device charging make it compact and convenient for travel or locations where only USB power is available.

Suitable for

• Recharging eneloop or other NiMH AA batteries used in cameras, flash units and toys
• Recharging eneloop or other NiMH AAA batteries used in remote controls, wireless mice and small electronics
• Charging batteries at home, in the office or while travelling when USB power is available
• Providing emergency USB power to smartphones or other small USB devices

Key specifications

• Battery types supported: Ni‑MH AA and AAA
• Channels: 4 independent channels with individual 3-color LED indicators
• Capacity: charges 1–4 batteries (AA or AAA)
• Charge time (AA): 1–2 cells — approx. 1.25–3 hours; 3–4 cells — approx. 3–6 hours
• Charge time (AAA): 1–2 cells — approx. 1.5–2.25 hours; 3–4 cells — approx. 3–4.5 hours
• Functions: individual charging, battery life check, automatic charge termination
• Power: USB input (no mains cord included); USB output to charge other devices
• Compatibility: compatible with other brands' NiMH rechargeable batteries

How to use

Connect the BQ-CC87USB to a USB power source using a suitable USB cable (not included). Insert 1 to 4 AA or AAA NiMH batteries into the slots, ensuring correct polarity. The corresponding channel LED will light to indicate capacity and start of charging; monitor the LED colors to track progress. When charging completes, the charger applies automatic termination. To use the power-bank feature, connect the device to the charger's USB output port while the charger is powered.

Usage recommendations

Use a reliable USB power adapter that meets typical USB output specifications. Remove batteries after charging is complete for storage, and avoid using damaged or leaking batteries. For best performance, use eneloop or high-quality NiMH batteries and follow the battery manufacturer's storage and handling guidance.