The ALF-18 battery holder is designed to let you conveniently use an 18650 battery in flashlights originally built for 21700 batteries. To use it, just insert your 18650 battery into the holder and then place both together inside your 21700-compatible flashlight.
High-Quality Construction
This battery holder features copper-plated contacts, ensuring excellent conductivity and reliable performance for your devices.
Flexible Battery Compatibility
The ALF-18 is suitable for both button top and flat top 18650 batteries, making it a versatile choice for different battery types.
Compatible with: E35 V3.0, HT18, PD36R, PD36 TAC, PD40R V2.0, TK16 V2.0, TK22UE, TK30, HM70R, BC26R
