BMS

COSMOPOLIS

Active Balance,Wireless Monitoring,Compatible Inverter

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16kWh DIY Battery Box

16kWh DIY Battery Box

JK PB2A16S20P BMS,Heating Pads,250A Circuit Breaker

JK PB2A16S20P BMS,Heating Pads,250A Circuit Breaker

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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.

Summer Deals

Automatic discounts on US & EU orders applied at checkout.

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RECOGNIZED BY AUTHORIZED MEDIA AND ORGANIZATIONS WORLDWIDE

Why Choose Wistek

Rapid Local Fulfillment

We maintain strategic inventory in both the U.S. and Europe to ensure lightning-fast delivery. Orders are typically processed within 24 hours, with your package arriving at your doorstep in just 3 to 7 business days.

24/7 Expert Support

Get professional guidance whenever you need it via our website or email. Our technical team is committed to excellence, guaranteeing a comprehensive and helpful response to every inquiry within 12 hours.

Certified Grade A Quality

We supply Brand-New, Grade A EVE cells with original test reports and intact QR codes. Our DIY enclosures feature four-layer safety protection, engineered to provide maximum security for your battery projects.