BQ-CC51 - Panasonic

Basic charger with
LED indicators

If you mostly use your AA/AAA eneloop or eneloop pro batteries in low-drain devices that don't require frequent charging, BQ-CC51 is a solution with excellent cost performance. LEDs for each pair of slots light green while charging and switch off after a fixed 13-hour period, enough time for the inserted batteries to fully charge.

Battery checker with
LED indicators

The charger checks if the installed batteries can be charged. If a battery is inserted incorrectly or a dry battery is installed, the light above the affected pair of slots flashes green, and the power supply to those slots is shut off for safety.

Safety System

Supported battery combinations

You can recharge up to four AA/AAA eneloop and eneloop pro batteries at the same time in the following combinations: 2x AA, 4x AA, 2x AAA, 4x AAA, or 2x AA and 2x AAA. The LEDs light green while the batteries charge and switch off after a fixed 13-hour period.

Note: It is not possible to charge single batteries in this device. Pairs of batteries of the same size must be installed together in the left and/or right pair of slots. When charging 2x AA or 2x AAA batteries, either pair of left or right slots must be used.

Using your battery charger

Step 1

Insert the batteries into the slots according to the indicated polarity (+/-). When inserting a battery, you should fit the battery's negative terminal end first and then gently press the top of the battery into the slot. Pull out the positive terminal end first when removing the battery.

Note: Inserting the positive (+) terminal end of AAA batteries first may risk damaging the charger.

Step 2

Connect the charger to an AC outlet. The LED indicators may blink for a short time while the batteries are checked.

Note: BQ-CC51 supports AC 100–240 V power. The plug configuration varies depending on the region of sale.

Step 3

After checking is complete, the light above each pair of slots turns solid green to indicate that the installed batteries are being charged. If an invalid battery is inserted or a battery is installed incorrectly, the light above the affected pair of slots flashes green, and power to those slots is shut down to prevent damage to the batteries and charger.

Step 4

The charger is equipped with a safety timer that shuts off power to all slots after 13 hours. The lights switch off when this period has elapsed.

Note: Charging times shown in the table are approximate and can vary depending on temperature and battery condition.

Recommend charging times by AA/AAA capacity

Battery size	Capacity	Charging time (2 pcs. / 4 pcs.)
AA	2450–2550 mAh	12 hours
	1900–2000 mAh	10 hours
	950–1000 mAh	5 hours
AAA	900–950 mAh	12 hours
	750–800 mAh	10 hours
	550–650 mAh	8 hours

Step 5

Unplug the charger from AC outlet and remove the batteries from the charger as soon as possible after charging.

Specification

Input	AC 100–240 V
Charging time	eneloop: Approx. 10 hours (2x or 4x AA) eneloop pro: Approx. 12 hours (2x or 4x AA) Note: Charging times are approximate and may vary depending on the temperature and battery condition.
Indicator	2-LED indicator (1 color)
Compatibility	AA: 2x or 4x eneloop or eneloop pro batteries AAA: 2x or 4x eneloop or eneloop pro batteries Note: Please refer to Supported Battery Combinations at top for more information.
Safety charge	Timer cut (Power shuts off after a fixed 13 hour period)
Input voltage detection	Auto Voltage (AC 100–240 V, use anywhere in the world) Note: Plug configuration varies by region of sale.
Dimensions	66 (W) x 108 (L) x 27.5 (H) mm
Weight	96 g (AC plug [A-plug])

Charging time estimates at room temperature

	Capacity	Charging time (2 pcs. / 4 pcs.)
AA	2450–2550 mAh	12 hours
	1900–2000 mAh	10 hours
	950–1000 mAh	5 hours
AAA	900–950 mAh	12 hours
	750–800 mAh	10 hours
	550–650 mAh	8 hours

Note: Charging times shown in the table are approximate and can vary depending on temperature and battery condition.

Sales by country / region

Australia, China, CIS, Europe, Indonesia, Korea, Kuwait, Laos, Malaysia, Myanmar,
New Zealand, Philippines, Saudi Arabia, Singapore, Thailand, UAE, Vietnam