Premium Batteries for Serious Builds
Authentic 21700 & 18650 batteries from Molicel, EVE, Tenpower, and more — tested, graded, and ready for your project.
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Find What You Need
From individual batteries to complete build components, we stock everything for your battery projects.
21700 Batteries
High-drain, high-capacity, and balanced 21700 batteries from Molicel, Ampace, EVE, Tenpower, and Reliance.
18650 Batteries
Compact 18650 batteries for power tools, flashlights, portable power, and smaller battery builds.
Strips & Busbars
Pure nickel, copper-nickel composite, and copper strip for spot welding and soldering.
BMS & Protection
Smart BMS boards, fuses, and thermal management components for safe pack construction.
Holders & Hardware
21700 battery holders, spacers, and assembly hardware for clean pack builds.
Wire & Connectors
Silicone wire, XT60/XT90, Anderson plugs, heat shrink, and more for clean, safe connections.
Custom Battery Packs
Tell us your voltage, capacity, and form factor — we'll build it for you with premium batteries.
Compare Popular 21700 Batteries
Find the right battery for your application — whether you need max current or max capacity.
| Cell | Capacity | CDR | Weight | Best For |
|---|---|---|---|---|
| Ampace JP40 | 4000mAh | 40A | 68g | High-power EV, tools |
| EVE 40PL | 4000mAh | 12A | 68g | Budget builds, storage |
| Molicel P42A | 4200mAh | 45A | 70g | E-skate, power tools |
| Molicel P45B | 4500mAh | 45A | 70g | Performance EV, scooters |
| Tenpower 50XG | 5000mAh | 10A | 69g | E-bike, solar, powerwall |
| Reliance RS50 | 5000mAh | 15A | 68g | Balanced power & capacity |
Custom Battery Pack Builder
Your Specs. Your Build.
Tell us what you need and we'll engineer a pack using premium tested batteries, quality copper and nickel strip, and a properly rated BMS.
- Choose your battery chemistry & brand
- Specify series/parallel configuration
- Custom form factor & enclosure options
- Smart BMS with Bluetooth monitoring
- Tested & QC'd before shipping