Can I charge different battery types at the same time?

Yes. Each bank has its own profile select button, so you can set one bank to AGM, another to lithium, and the remaining two to standard lead-acid — all charging simultaneously.

Will the charger overcharge a battery left connected for months?

No. Once a battery reaches full charge, the microprocessor switches that bank to float maintenance mode, holding voltage steady without overcharging. It is designed for long-term storage use.

What size batteries is this charger best suited for?

At 1.25 amps per bank, this charger is ideal for smaller batteries commonly found in motorcycles, ATVs, lawn tractors, and similar equipment. Larger automotive batteries will charge but take longer at this amperage.

12 Volt Battery Tender 4-Bank Multiple Battery Charger (1.25 Amps)

Deltran

Specifications

Brand: Deltran
Part #: 022-0148-DL-WH
SKU: XXX022-0148-DL-WH

DeltranSKU: XXX022-0148-DL-WH

12 Volt Battery Tender 4-Bank Multiple Battery Charger (1.25 Amps)

Name: 12 Volt Battery Tender 4-Bank Multiple Battery Charger (1.25 Amps)
Brand: Deltran
SKU: XXX022-0148-DL-WH
Price: 278.95 USD
Availability: InStock

$278.95

Usually ships the next business day

Deltran Battery Tender 4-bank charger charges and maintains up to four 12V batteries at 1.25 amps per bank. Supports lead-acid, AGM, and lithium.

Key Features

Charges and maintains up to four 12V batteries simultaneously at 1.25 amps per bank.
Profile select buttons support lead-acid, AGM, and lithium LiFePO4 battery types.
Microprocessor-controlled with automatic float maintenance mode to prevent overcharging.
Reverse polarity protection, spark-proof hookup, and 25-hour safety timer shutoff.
6-foot AC power cord and 4.5-foot DC output cords per bank.
Compact design at 8.8 x 7 x 3.5 inches and 5 lbs.

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Product Details

Storing a motorcycle over winter alongside a lawn tractor, an ATV, and a classic car means four batteries slowly draining in the garage. The Deltran Battery Tender 4-Bank Charger handles all of them from a single wall outlet, delivering 1.25 amps per bank to charge and maintain up to four 12V batteries independently and simultaneously.

Each of the four banks is microprocessor-controlled and runs its own charging cycle, so a nearly dead motorcycle battery will not hold back a topped-off lawn mower. Profile select buttons let you switch between lead-acid, AGM, and lithium (LiFePO4) battery types on a per-bank basis. Once a battery reaches full charge, the unit automatically shifts to float maintenance mode to keep voltage steady without overcharging — important for batteries sitting months at a time.

Safety features include reverse polarity protection, spark-proof hookup, and a 25-hour safety timer shutoff. The AC power cord runs 6 feet with 18 AWG wire, and each DC output cord adds 4.5 feet of reach. Unit dimensions come in at 8.8 by 7 by 3.5 inches, compact enough to mount on a garage wall. Deltran backs it with a 2-year warranty.