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Rectangular 12V jump starter with ammeter and LED indicators

BatteryJack inc.

BatteryJack inc. 10/2/50 Amp 12V Jump Starter

SKU CH-YN2T-7Y2T6

A 12V manual charger with 2A trickle, 10A fast charge and 50A engine start for lead-acid batteries

  • Manual 10/2/50 A charge rates suit every 12 V need
  • 50 A engine-start mode gets you moving in emergencies
  • 2 A trickle charge maintains batteries during long storage
  • Ammeter shows real-time current for precise monitoring
  • LED indicators confirm power-on and full-charge status

12V Jump Starter with Three Charge Rates

The BatteryJack inc. unit delivers 10, 2 and 50 amp settings for 12V lead-acid batteries. A built-in ammeter shows charging current while battery-type switches match the rate to SLA or deep-cycle cells. Two LEDs confirm power-on and full-charge status. The manual charger suits home garages and roadside emergencies.

Who this suits and who it does not

DIY owners needing occasional trickle, fast or engine-start currents will find the three rates useful. Buyers who want automatic multi-stage charging or support for lithium chemistries should look elsewhere. The device lacks jump cables and an internal battery so it requires mains power and separate leads.

Deciding specification: 50A engine-start rating

The 50A engine-start setting is the single figure that determines if this starter can crank your vehicle. Check the manufacturer's cranking-amp requirement against that 50A rating before purchase. The 10A and 2A rates handle routine maintenance charging once the engine runs.

How it compares

Measured against everything we stock in Jump Starters, Chargers & Power Packs, at today’s prices. Recalculated every night.

Price $52.99
Pricier than about 90% of the 1,744 comparable items (median $14.99).

Specifications

No published specifications for this item yet.

Questions about this item

What does the 50 A engine-start rating deliver when I hook it to a dead 12 V battery?

It supplies up to 50 A for cranking, enough to turn over most petrol and small diesel engines in an emergency.

How do the three charge-rate settings limit current on the 12 V lead-acid battery?

The selector locks output to 2 A trickle, 10 A fast charge or 50 A engine start so the battery never sees more than the chosen rate.

What physical connections and space are needed to mount or use the unit?

Heavy-duty clamps attach to the battery posts; the metal case sits on any flat surface and requires only clearance for the cables.

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