Li-ion battery Keeppower 5000 mAh

The Keeppower 21700 Protected 5000 mAh is a high-performance, protection-circuit-equipped rechargeable battery, ideal for high-drain devices such as flashlights, and other electronic gear. The built-in protection circuit safeguards against overcharge, over-discharge, overcurrent, and short circuits.

Specifications:

• Nominal voltage: 3.6 V
• Rated capacity: 5000 mAh (minimum 4900 mAh)
• Size: approximately ⌀ 21.5 mm × 75.0 mm
• Weight: about 72 g

With robust design, it maintains performance over 500+ charge-discharge cycles and operates across –20 °C to +60 °C temperature range.

Safety and usage:

• CC‑CV charging recommended
• Cut-off: Maximum voltage 4.20 V, minimum 2.50 V
• Avoid exposure to high heat, water, and impacts
• Proper handling ensures long life and safe performance