Will you ever make one with a rechargeable or replaceable battery?

Yes we will but not for this model , as we want to keep it small and lightweight as possible. Adding room for handling battery replacement or charger , will add to the size and weight . However, with current battery lifetime being few years with proper use, (can even get to 8 years) adding size and weight for such a rare task , seems unnecessary.

Does this fit Saxenda- Nova Nordisk pens?

FlexPen is not used for Saxenda , however the Flextouch pen of Novo Nordisk is similar to Saxenda pen. VIVI CAP1 FlexTouch ASIN B0772X7DBY may fit Saxenda pen.

Does this fit Basaglar Kwik pen?

This model is for Sanofi Solostar/ The model for KwikPen is ASIN ‏ : ‎ B0772SPP8J . Or use this link :https://www.amazon.com/Reusable-Winter-Insulin-Warmer-VIVI/dp/B0772SPP8J/ref=sr_1_1?dchild=1&keywords=vivi%2Bcap1&qid=1618073968&sr=8-1&th=1

Is this lantus pen 100 units per ml?

Mine is not but they make one for Lantau. I use humolog kwikpen which is a different size.it should give you a place to click on for which type of pen you use

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❄️ Stay cool, stay in control—VIVI CAP, your insulin’s best travel companion!

ULTRA COMPACT DESIGN - Slim, lightweight, and fits discreetly in your handbag or pocket—carry confidence everywhere.
PATENTED THERMAL TECH - Space-grade insulation + self-regenerating heat absorption keeps insulin perfectly chilled without airflow.
YEAR ROUND PROTECTION - Designed to keep insulin cool in summer and warm in winter, ensuring medication efficacy anytime.
UNIVERSAL COMPATIBILITY - Works seamlessly with all major insulin pen models for ultimate versatility.
MAINTENANCE FREE CONVENIENCE - No batteries, no refrigeration, no hassle—just insert and go.

The VIVI CAP Insulin Cooler Travel Case uses patented space-grade insulation and self-regenerating heat absorption technology to maintain insulin at safe temperatures below 29°C without airflow, charging, or refrigeration. Compact and lightweight at just 3x3x19 cm and 200g, it fits easily in pockets or handbags. Compatible with all major insulin pen models, it offers year-round temperature protection with zero maintenance, empowering users to manage diabetes confidently on the go.

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