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WEISS Li-ion batteries meet the needs of the customer. WEISS Lithium-ion cells provide premium quality.

  • Long cycle life
  • High energy density
  • Low self-discharge rate
  • No memory effect
  • Short-circuit, overvoltage and overtemperature protection circuit

Protective caps prevent the batteries from being damaged. Furthermore, WEISS rechargeable batteries are eco-friendly according to the EU Directive 2002/95/EG (RoHS).

Cell optimization, improvement of performance and durability of the batteries as well as the avoidance of the use of hazardous substances in order to protect the environment are crucial to the future development of WEISS products. WEISS batteries are packed and delivered in an eco-friendly but yet save way. High cell quality and efficient fitting of the replacement parts are guaranteed.

Regular quality controls ensure the high standard of WEISS products. Even under extreme conditions WEISS batteries live up to their promise: more power.

The development and design of our rechargeable batteries takes place in Germany.

WEISS stocks rechargeable Li-ion batteries for all brands. We are constantly upgrading our product line.

In case you don’t find what you are looking for, please don’t hesitate to contact us.

WEISS 18650 Li-Ion Batteries

Specially designed for high performance flashlights.

  • High quality battery cells from Panasonic or Samsung
  • Low self-discharge
  • Environmentally friendly
  • Compatible with most flashlights based on 18650 or 2 batteries type CR123A / RCR123A

Technical Details

Specially designed for high performance flashlights.

  • Protection circuit: IC protection PCB against overcharge and deep discharge
  • Short-circuit , overvoltage and overheating protection
  • Low self-discharge
  • Environmentally friendly due to long-live cells

Material properties

  • High-quality nickel -plated contacts for maximum conductivity and oxidation resistance
  • Processing of pole contacts with standard sizes to ensure maximum compatibility with most high-performance flashlights in the range 18650


Model 18650
Color White
Dimensions 70 x 18,65 mm
Weight ~46 g
Voltage 3,7V
Operating temperature 0 to +45°C (charged)
-20 to +60°C (discharged)
Storage temperature -20 to +50°C (1 week)
-20 to +35°C (6 months)