8 Cell 18650 Detachable DIY Power Bank Kit with Fast Charging

This power bank kit allows you to assemble your mobile power supply by installing up to 8 standard 18650 batteries. The solder-free design makes battery installation easy and safe while providing full control over your pack's capacity and performance.

Choose between the M8 Normal version with 5V 2.1A output or the M8-PD Quick Charger version supporting automatic voltage jump to 5V 3A, 9V 2A, or 12V 1.5A, depending on your device's compatibility. The kit features adaptive current regulation for efficient charging.

• Supports Quick Charge and Power Delivery protocols automatically
• Up to 5.0A charging current at battery terminals
• Synchronous switch discharge at 5V 2A with up to 95% efficiency

Built-in anti-reverse function prevents damage from improper battery insertion. Note that the case is compatible only with standard 18650 batteries; avoid pointed or damaged batteries as well as those with high internal resistance or prolonged use.

• Anti-reverse protection for battery safety
• Recommended for standard, intact 18650 cells only

Measuring 17.2cm by 8cm by 2.3cm, this power bank case is lightweight and portable. It comes in classic White or Black finishes to suit your style.

• Slim profile ideal for mobile use
• Color choices: White and Black

• Outer size: 17.2cm × 8cm × 2.3cm
• Battery capacity: Supports 8 pcs 18650 cells
• Charging input/output: 5V 2.1A (Normal), up to 5V 3A / 9V 2A / 12V 1.5A (PD version)
• Charging terminal current: up to 5.0A
• Discharge efficiency: up to 95% at 5V 2A

The package includes one power bank case without batteries, ready for your 18650 battery installation.

• 1 x DIY Power Bank Case (batteries not included)