The Nitecore RCR123 (NL166) is a high-performance 650mAh Li-ion rechargeable battery designed specifically for high-drain devices such as flashlights. This environmentally friendly cell is engineered with built-in protection against overcharging, over-discharging, and short-circuiting, making it both safe and reliable for everyday use.
Constructed for durability, it features nickel-plated stainless steel protectors at both ends for enhanced impact resistance and conductivity. Compatible with most high-drain devices that accept RCR123 or 16340 batteries.
Specifications
- Type: NL166
- Capacity: 650mAh
- Voltage: 3.7V
- Charging current: Maximum 650mA (300mA recommended)
- Weight: 17.8g
- Size: Diameter 16.6mm, Length 34.8mm
- Warranty: 12 months from date of purchase
Important:
All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

