Black Friday 2026 – Our Biggest Deals of the Year!

Black Friday Benefits

Automatic Discounts

No coupon codes needed. Discounts are automatically applied at checkout.

Earn Reward Points

Earn Wistek Rewards Points with every eligible purchase and save on future orders.

Biggest Sale of 2026

Enjoy our biggest discounts of the year on selected batteries and energy storage products.

Grade A Quality

Brand-new EVE cells with original test reports and intact QR codes.

From $1,889.00
$3,550.00
From $1,889.00
From $1,509.00
$2,155.00
From $1,509.00

Why’s us?

7/24 Online Support

Fast, expert support with responses guaranteed within 24 hours.

Worry Hassle

5 years for battery cells, 1 year for BMS & DIY enclosures.

Fast Local Shipping

US & EU stock. Dispatched in 1–2 days, delivered in 3–7 days.

Grade A Cell

Factory test reports included. Cells matched for voltage, capacity, and internal resistance.