Optimate™ DC-DUO 12 V To 12.8 V 2 A Battery Charger — 12 V to 12.8 V, 2 A
   

TECMATE Optimate™ DC-DUO 12 V To 12.8 V 2 A Battery Charger — 12 V to 12.8 V, 2 A

TECMATE
3807-0339
TM500
Charge and maintain a stored vehicle battery from another 12 V source. Ideal for emergency vehicle-to-vehicle and off-grid charging. Weatherproof design and built-in source protection for safe use in harsh conditions.
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€67.68
€91.63
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  Delivery policy

In stock items will be shipped within 1-3 days.

  Return policy

You can return the products within 14 days for a full refund, check our returns policy.

The Optimate™ DC-DUO lets you charge and maintain a stored vehicle battery using only another 12 V source — ideal for remote, emergency, and off-grid situations. 🔋 It draws DC power from a donor battery to safely save, recharge, and maintain 12 V lead-acid and compatible LiFePO4 packs, with built-in protection to prevent deep discharge of the source battery.

Designed for tough environments, the unit is weatherproof and rated for extreme cold. It’s a compact and practical option for vehicle-to-vehicle emergency charging, long-term storage maintenance, and off-grid use. 🚗⚠️

Easy to install and use, the Optimate DC-DUO provides reliable remote charging without requiring AC power. The rugged construction and protective circuitry make it a dependable tool for maintaining battery health in demanding conditions. 🛠️

: 3807-0339
In Stock

Data sheet

Type
DC to DC
Units
Each
Brand
TECMATE
Volts
12 V, 12.8 V
Amps
2 A
Power Connection Type
SAE Plug, Eyelet Connector, Alligator Clamp

Shipping Policy

Shipping Areas:

We ship to:

  • Spain (Peninsula and Balearic Islands)
  • European Union countries

We do not ship to the Canary Islands, Ceuta, or Melilla.

Shipping Times:

  • Spain (Peninsula): 2–4 business days
  • Balearic Islands: 3–5 business days
  • EU countries: 3–7 business days depending on destination

Shipping Costs:

Shipping costs are calculated automatically at checkout based on destination and weight.

Free shipping may be offered for qualifying orders, as specified on our website.

Order Processing:

Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.

Delivery Issues:

If your order is delayed or arrives damaged, you must notify us within 14 calendar days. We will investigate the issue and offer a resolution in accordance with applicable consumer protection laws.

Return & Withdrawal Policy

Right of Withdrawal:

In accordance with Royal Legislative Decree 1/2007 (Ley de Defensa de los Consumidores y Usuarios), you have the right to withdraw from your purchase within 14 calendar days from the date of receipt, without giving any reason.

To exercise this right, contact us via email or through our website, providing your order number and contact details.

Return Conditions:

  • Products must be unused, in original condition and packaging.
  • Return shipping costs are the responsibility of the customer, unless the product is defective or sent in error.
  • Refunds will be issued within 14 days of receiving the returned goods.

Items Excluded from Return:

  • Custom or personalized products
  • Sealed items that were unsealed after delivery and are unsuitable for return due to hygiene (e.g. cosmetics, personal care)
  • Digital content delivered electronically once download or streaming has begun

If you want to return an item, please contact us first to give you detailed instructions.