16340 battery replacement and equivalents

16340 is a 3.6 V lithium ion cylindrical battery measuring 16 × 34 mm. Match the complete specification before treating another marking as a replacement.

RCR123A
Nominal voltage
3.6 V
Dimensions
16 × 34 mm
Chemistry
Lithium ion

16340 specifications

Canonical code16340
Formcylindrical
RechargeableYes
Drain markingNot specified

Typical applications

  • Rechargeable lights
  • battery packs
  • specialty electronics

Replacement decision

Resolve the original marking to this profile, then confirm nominal voltage, chemistry, dimensions, polarity and any drain or terminal suffix. Capacity alone does not establish interchangeability.

Reviewed comparisons

Technical sources

  1. Duracell — Battery chemistry technical bulletins

    Alkaline, lithium-manganese-dioxide, zinc-air and silver-oxide chemistry behavior.