Home » Battery Tender 12V Battery Charger 021-0123 - Automatic Maintainer
Battery Tender Junior automatic battery charger and maintainer with cables and alligator clips.
Battery Tender

Battery Tender 12V Battery Charger 021-0123 - Automatic Maintainer

In stock
$38.25

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Product details

  • Vendor Battery Tender
  • SKU BT21-0123N

Please contact us if you are unsure about the fitment.

Description Warranty
Brand Battery Tender
Color Black/Green
Product Dimensions 1.3"D x 2.4"W x 3.3"H
Item Weight 1.8 Pounds
Output Voltage 12 Volts


  • Battery Tender 12V Battery Charger 021-0123

    Stay Charged:

    Battery Tender chargers and maintainers provide a full charge to your vehicle's battery before switching to float mode, maintaining proper voltage levels for safe, long-term storage.

    Extend Battery Life:

    Compatible with all 12V lead-acid, flooded, AGM, and gel cell batteries. The complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode) optimizes battery power without overcharging or damaging the battery.

    Includes:

    • 12V, 750mA battery charger and maintainer
    • 12-foot output cord
    • Fused-ring terminal harness for hard-to-reach batteries
    • Alligator clip accessory cables
    • 5-year warranty and lifetime customer support

    Simple & Safe:

    • Low maintenance and easy to use
    • Compact size: 3.3 x 1.3 x 2.4 inches, 1 lb (charger only)
    • Spark-proof circuitry ensures no-spark connections
    • Automatic reversed hook-up detection verifies the correct connection

    Monitor Power Levels:

    • Two-color charge status LED light indicates the state of the charge
    • Adaptive charging resumes full charger output power if the battery voltage drops too far under load
    • Automatic charge cycle switches to float mode after fully charging the battery

    Keep your battery fully charged and extend its life with the reliable Battery Tender 12V Battery Charger 021-0123. Order now for hassle-free battery maintenance!