8-Cell 21700 Power Bank Case

Build a high-capacity power bank around your own rechargeable cells.

This portable power bank case holds up to eight compatible 21700 lithium batteries, giving you a reusable charging setup for camping, travel and longer trips away from mains power.

Why you'll like it

• Holds up to 8 rechargeable 21700 batteries
• Batteries can be removed and replaced when required
• LCD display shows remaining battery capacity
• Dual USB outputs for charging compatible devices
• PD versions support faster USB charging
• PD-QI version adds convenient wireless charging
• Durable portable casing for easier storage and transport

Power Options

• Standard: up to 5V / 2.1A
• PD: up to 5V / 3A, 9V / 2A or 12V / 1.5A
• PD-QI: PD fast charging plus up to 10W wireless charging

Size

• Approx. 20.9 × 8.6 × 2.9cm

Battery Requirements

• Requires flat-top 21700 lithium batteries
• Compatible battery voltage: 3.2–4.2V
• Batteries are not included

Important

• Do not use batteries with damaged outer wrapping
• Insert batteries with the correct polarity
• Do not use or store in high-temperature environments

In the box

• 1 power bank case
• Batteries not included

Returns

• 30-day returns

Free UK Shipping • Dispatched within 24hrs

Estimated delivery: 7-12 business days