Panasonic Batteries K-KJ87MCC40USB Eneloop Pro AA 2500mAh Ni-MH Battery Charger Set with 4x AA Batteries and USB Charging Cable

For photographers, gamers, and gadget enthusiasts who burn through batteries daily, the Panasonic K-KJ87MCC40USB is a complete high-capacity power solution. The kit pairs the BQ-CC63 USB charger with four eneloop pro AA rechargeable batteries, each delivering a minimum of 2500 mAh. Charge from any USB-A port—laptop, power bank, or wall adapter—and get four AA batteries ready in about four hours. Individual charging slots and LED indicators give you precise control over each cell, while the low self-discharge chemistry keeps batteries at 85% capacity even after a year in storage.

Key specifications

• Charger model: Panasonic BQ-CC63
• Included batteries: 4x AA Ni-MH eneloop pro, 2500 mAh (min) / 2550 mAh (typ)
• Charging slots: 4 (AA/AAA compatible)
• Individual charging control: Yes, per slot
• Charging indicator: 4x LED status lights
• Input power: DC 5V via USB-A to Micro-USB cable (included)
• Charging time: approx. 4 hours for 4x AA 2500 mAh
• Recharge cycles: up to 500 times
• Low self-discharge: retains 85% capacity after 1 year
• Safety features: overcharge protection, short circuit protection, alkaline/bad battery detection
• Battery voltage: 1.2V per cell
• Charger output (AA): 1.5V DC, 550mA x 4
• Charger output (AAA): 1.5V DC, 275mA x 4

Why choose it

Eneloop pro batteries are engineered for high-drain devices, delivering consistent voltage and long runtime where standard rechargeables fall short. The USB-powered charger eliminates the need for a bulky AC adapter—just plug into any standard USB port. Individual slot monitoring prevents overcharging and extends battery life, while the robust safety features protect both the batteries and your devices. With up to 500 recharge cycles, this set replaces hundreds of disposable batteries, saving money and reducing waste.

Ideal use cases

• Digital cameras, flash units, and camera grips
• Wireless gaming controllers and computer peripherals
• Flashlights, headlamps, and outdoor gear
• Portable audio devices and toys
• Any AA-powered device requiring reliable, high-capacity power

Good to know

The charger is compatible with both AA and AAA Ni-MH batteries, though only AA batteries are included. The USB cable is included for connection to a USB-A port; a USB power adapter is not included but any standard 5V USB adapter will work. For best performance, fully charge batteries before first use. Store batteries in a cool, dry place; they will retain most of their charge even after months of storage.