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Compact black rectangular charger with red and green status LEDs, 74.0 by 28.0 by 42.0 mm

BatteryJack inc.

BatteryJack inc. 12V 2.0A Lead-acid Battery Charger 3-stage

SKU CH-VBDA-2FR57

Charges 12 V lead-acid batteries at 2.0 A through three automatic stages with short-circuit, polarity and over-voltage protection

  • Three-stage charging protects battery health
  • 0 A constant current restores 12 V lead-acid packs
  • 100–240 V AC input works worldwide
  • circuit and polarity safeguards prevent damage
  • Compact 74.0 × 28.0 × 42.0 mm design fits tight spaces

Charger for 12 V Lead-acid Batteries

This 12 V 2.0 A charger is built for lead-acid packs found in motorcycles, lawn equipment, ATVs, personal watercraft and cars. It connects to any 100 to 240 V AC supply at 50 to 60 Hz and delivers a regulated 12 V DC output. The unit is new and carries UL1310, CE, FCC Part 15, SAA and C-TICK listings.

Three-stage Charging Under Continuous Use

The charger runs through constant current at 2.0 A, then constant voltage between 14.3 and 14.7 V, and finally a float stage from 13.5 to 13.8 V. LED indicators show red while charging and green when the battery is full. Short-circuit, polarity-error and over-voltage protections operate throughout the cycle, and no current is drawn from the battery when AC power is removed.

Compatibility Checks Before Ordering

Confirm the battery is a 12 V lead-acid type and that its capacity suits a 2.0 A charge rate. Verify the connector matches your battery terminals and that the charger’s 74.0 x 28.0 x 42.0 mm footprint fits the intended mounting location. Ensure the local mains supply falls within the 100 to 240 V AC range.

Highlights

  • Three-stage charging protects battery health
  • 0 A constant current restores 12 V lead-acid packs
  • 100–240 V AC input works worldwide
  • circuit and polarity safeguards prevent damage
  • Compact 74.0 × 28.0 × 42.0 mm design fits tight spaces

Specifications

BrandTank

Questions about this item

How loud or warm does the 2.0A charger get when it runs continuously?

The unit has no fan and relies on passive cooling; the compact 74.0 x 28.0 x 42.0 mm case stays warm but not hot during the constant-current, constant-voltage and float stages.

What battery connector or cable must I already have to use this charger?

The output is a bare 12 V DC lead; you need a compatible ring-terminal or alligator-clip harness that matches your lead-acid pack’s terminals.

Will the 14.3–14.7 V bulk voltage overcharge an older sealed lead-acid battery I want to keep?

The three-stage profile steps down to a 13.5–13.8 V float once the battery reaches full charge, preventing overcharge on ageing SLA cells.

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