We use USPS, UPS or DHL to provide reliable, secure shipping service from our shop to your home.

We ship all US domestic orders within 5-10 business days.

Please see our Return Policy from the link at the bottom of this website.

MWB HC-18650 & 21700 Battery-Packs are manufactured with the highest rated Lithium-Ion cells on the market today. MWB designs and build our own BMS / PCB's that prevents the pack from over-discharging and over-charging. Each pack is welded with .375 Nickel Tabs for the best overall contact between cells, and are tested for high rated charging cycles along with high ambient temperatures. Our standard connector is the 22 gauge 2-Pin JST SM Connector that can be change depending on your needs.

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Battery Safety Information