Finally a counterweight that’s not just dead weight! The NOD-Pod is the only counterweight system on the market that provides waterproof and impact resistant battery storage! Whereas other counterweight systems expose batteries to the elements, the NOD-Pod V2 contains them inside a waterproof housing. The tall tubes each hold 2x123A or 2×18350 (or a combination of the two) or 1×18650 or 1×16650. The middle compartment holds 2xAA and 2xAAA. FEATURES Carbon fiber material for increased impact resistance Laser cut EVA gasket for improved water resistance Compatible with both standard and rechargeable battery types Fits all known PVS31/ANVIS remote battery pouches (e.g. Ferro, TNVC, Licentia Arms, Crye Precision, Agilite, etc.) NOTES ON BATTERY TYPES 123A: Disposable 3v battery used for most lights and lasers (e.g. Surefire Scout series, PEQ15, etc.) 18350: Short rechargeable used for some weapon lights (e.g. Modlite, Cloud Defensive, Arisaka, Surefire Duel Fuel series, etc.) 18650: Long rechargeable used for some weapon lights (e.g. Modlite, Cloud Defensive, Arisaka, Surefire Duel Fuel series, etc.) 16650: Long rechargeable commonly used for legacy upgrades (e.g. Malkoff Devices LED upgrades)