✅ Product Description

Product Name: Rechargeable 9V Batteries 850 mAh (4-Pack) with 4-Bay Charger

Product Description:
This rechargeable battery set provides a high-capacity, reusable 9 V power solution including four 9 V lithium-ion batteries (850 mAh each) and a 4-bay USB-C charger for fast and convenient charging. Perfect for devices such as multimeters, smoke alarms, wireless microphones, walkie-talkies, radios, guitar pedals, and more. Each battery delivers long-lasting performance, while the charger allows you to power up one battery or all four simultaneously — ideal for home, workshops, and professional environments.

🔋 Key Features & Specifications

• Battery Type: Rechargeable 9 V lithium-ion (6F22 form factor)

• Capacity: 850 mAh high-capacity cells for extended runtime

• Cycle Life: Up to 1,200 charge cycles for long-term use

• Output Voltage: 8.4 V–8.7 V when fully charged

• Max Output Current: Approximately 2.3 A

• Charger: 4-bay USB-C charger with independent charging channels

• Charging Time: Typically 3.5–4 hours depending on power source

• Safety Protections: Over-charge, over-discharge, overvoltage, overcurrent, and short-circuit protection

• Low Self-Discharge: Retains charge well during storage

🔧 Typical Uses & Applications

• Smoke detectors and CO alarms

• Multimeters, testers, and diagnostic tools

• Wireless microphones and audio transmitters

• Guitar pedals and effect units

• Walkie-talkies and portable radios

• Remote controls and sensor devices

• Security alarms, doorbells, and automation devices

🌍 Why It’s a Great Choice

• Eco-friendly & cost-saving — replaces disposable 9 V batteries

• High capacity for longer use time

• Four batteries + charger = complete power kit

• USB-C convenience — charge anywhere

• Durable, safe, and reliable for both professional and home use