Nitecore Nl1829RLTP Low Temperature Resistant Micro-USB Rechargeable 18650 Li-Ion Battery Fixed Blade With an even bigger blade

With an even bigger blade than the original

Replaceable flint — remove the brass screw inside the tinder capsule

The lid is also designed to switch between hot and cold drinks: it flips back to offer small opening for sipping

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Nitecore Nl1829RLTP Low Temperature Resistant Micro-USB Rechargeable 18650 Li-Ion Battery Fixed Blade With an even bigger bladeNITECORE NL1829RLTP At A Glance Specially designed for freezing temperatures down to 40F High performance output up to 5A Ideal for severe cold environment applications Charge via the micro USB charging port or on an external battery charger Red & green charging indicator LED's Multiple internal and external safety mechanisms Included in the Box NITECORE NL1829RLTP 2900mAh 18650 Micro USB Rechargeable Battery Low Temperature Resistance The NITECORE