Panasonic BQ-CC87 review: the USB charger that turns a power bank into AA batteries during an outage

This is a research-based review, based on manufacturer specs and published data. We do not test products. Specs come from Panasonic Energy Corporation of America's eneloop charger page and its Charger Technology sheet, checked November 1, 2026. Planning guidance comes from Ready.gov and the CDC.

Rechargeable AA batteries solve a long-outage problem only if you can recharge them without the grid. Most battery chargers plug into a wall outlet, which is exactly what you do not have. The BQ-CC87 (sold as BQ-CC87ABBA) is different: Panasonic's chart lists a USB cord as its power input. Plug it into a power bank, a power station's USB port or a car charger, and it refills four AA or AAA cells.

That makes it the hinge of a rechargeable outage kit. A power station with solar input stores the energy; the CC87 moves it into the AA cells that run radios, lanterns and headlamps.

Who should buy it

• Anyone who owns or plans to buy Panasonic eneloop or eneloop pro cells for outage gear.
• Households with a power station or solar setup that want to recharge AA devices from it.
• People who keep a go-bag with a power bank: the charger is small and runs from the same bank.

Who should skip it

• Owners of lithium-ion AA cells. Panasonic built the CC87 for NiMH eneloop cells. The Pale Blue AA charges over its own USB-C port instead.
• Anyone who needs the fastest charge from the wall. Panasonic's chart lists the plug-in CC55 at about 3 hours for four AA against 4.5 hours here.
• Households with only D-cell gear. This charger takes AA and AAA only.

Strengths

• USB powered. The included USB cord means any power bank, power station or car USB port can run it.
• Individual bays. It charges 1 to 4 AA and/or AAA cells individually, so you can top up two cells for a headlamp without waiting for a full set.
• Smart cut-off. Panasonic lists peak-sensing cut-off and auto shut-off that stop charging when cells are full.
• Visible progress. Four LEDs with a charge fuel gauge.
• Safety features. Short-circuit and input voltage detection, and ETL certification, per Panasonic's chart.

Drawbacks

• Slower than wall chargers. About 4.5 hours for four standard AA eneloop and about 6 hours for four eneloop pro, per Panasonic.
• NiMH only. Not for lithium-ion AA cells or for alkaline cells.
• No USB power figure stated. Panasonic's page does not list the input current it needs, so a weak USB port may charge slowly.
• Undefined chart terms. Panasonic's chart lists USB pass-through charging and a USB charging boost for the CC87 without explaining either on the sheet.

How it compares

The CC87 against other ways to keep AA devices running in an outage. Figures are from each manufacturer's page, checked November 1, 2026.

Using it in a long outage

A charging loop for a long outage

1. 01Keep two sets of AA cells per device: one in use, one charging.
2. 02In the morning, connect the CC87 to a power station or power bank that is recharging from solar.
3. 03Charge four cells at a time. Panasonic lists about 4.5 hours for four standard eneloop AA, so one batch fits in a sunny day.
4. 04Swap fresh cells into lanterns and radios at dusk and start the next batch the following morning.

The energy involved is small. Four 2,100 mAh NiMH cells at 1.2 V hold about 10 Wh between them (our arithmetic), plus charging losses. A small power station or a power bank like the Goal Zero Venture 35, at 35.52 Wh, can refill a set or two before it needs recharging itself.

Battery safety

• Charge only NiMH AA and AAA cells. Never put alkaline or single-use lithium cells in a charger.
• Charge on a hard surface away from bedding and paper, and unplug when the LEDs show full.
• Keep spare cells in a case so terminals cannot short against keys or coins.
• Follow each safety device's manual for battery type. Kidde, for example, specifies alkaline cells for its COPD CO alarm.

Ready.gov advises planning batteries and alternative power sources for when the power goes out. The CC87 is the piece that lets one set of cells serve for the whole outage instead of a drawer of disposables. See the best rechargeable batteries guide for how to size the set.