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Deltran Battery Tender Charge N Start 4120 030-7020-WH - 1200A Jump Starter and 4A Battery Charger

$209.99
$159.99
(You save $50.00 )
SKU: 4120
UPC: 734357370201
Availability: Shipping Lead Time is 24 to 48 Hours
Shipping: Free shipping on orders $75 and up
Jump Starter: 1200A Peak
Charging Modes: 12V Lead Acid, 12V AGM, 12V GEL, 12V Lithium
Charging Capacity: 4A
Type: Battery Charger
Battery Capacity Range: Up to 30AH, 32AH, 40AH, 60AH, 70AH, 100AH
# Of Charging Banks: 1
Deltran Battery Tender Charge N Start 4120 030-7020-WH - 1200A Jump Starter and 4A Battery Charger

Deltran Battery Tender Charge N Start 4120 030-7020-WH - 1200A Jump Starter and 4A Battery Charger

$209.99
$159.99
(You save $50.00 )
Adding to cart… The item has been added

Deltran Battery Tender Charge N Start 4120 030-7020-WH - 1200A Jump Starter and 4A Battery Charger

The Deltran Battery Tender Charge N Start 4120 is a 4 amp smart battery charger and a 1200 amp lithium jump starter in one hand-sized unit. Clip it to the truck or the bike for the winter and it maintains the battery. Pull it off the shelf on a January morning and it cranks a gas engine up to 6.0 liters, or a diesel up to 4.0 liters, with no second vehicle involved. In between, its auto-switch circuit keeps its own internal pack topped up, so the jump starter is charged on the day you reach for it. It works with any 12 volt lead-acid or LiFePO4 battery from 14 to 100Ah and weighs under two pounds.

Warranty

Warranty. Deltran warrants the Charge N Start 4120 for one year from the date of purchase. Full terms are confirmed in writing with your order.

Charger and Jump Starter in One Case

Four amps of charging, not one
The ISM charger runs a four-stage cycle (initialization, bulk, absorption, float) at 4 amps, so a drained car battery recovers in a fraction of the time a 1 amp maintainer takes.
1200 amps when there is no time to charge
The internal lithium pack delivers 1200 peak amps, sized for a 6.0L gas or 4.0L diesel engine. Deltran rates a full pack at up to 20 starts, and lithium holds that charge for months on a shelf.
Auto-switch keeps both batteries full
Plugged into the wall, the 4120 alternates between maintaining the vehicle battery and refilling its own pack whenever the internal level drops. Nothing to switch by hand, and no jump pack sitting dead in a drawer.
  • Spark-proof and reverse-polarity protected on both clamp sets - cross the leads and the unit refuses to output
  • Short-circuit, overcurrent and over-voltage protection - with auto-shutoff once the charge cycle completes
  • Temperature compensation - charge voltage adjusts for a cold garage or a hot shed
  • Built-in LED light - hold the button and you can see the terminals under a hood at night
  • Certified to cETLus (UL1236 and UL2743), FCC, ICES, DOE and BC - and the lithium pack is tested to UN38.3 for transport

Technical Specifications

Deltran Battery Tender Charge N Start 4120 Specifications
Part Number030-7020-WH (also searched as 030 7020 WH, 0307020, Charge N Start 4120, CNS 4120)
Charger TypeISM four-stage automatic charger and maintainer with manual chemistry selector
DC Output Voltage12V
Charge Current4 A
Jump Start Output1200 peak amps at 12V
Engine SizeGasoline up to 6.0L, diesel up to 4.0L
Cranking DutyUp to 5 seconds per attempt, 30 seconds between attempts (3 to 5 seconds on powersports engines)
Battery Capacity Range14Ah to 100Ah at 12V
Battery Types SupportedFlooded, AGM, gel and sealed maintenance-free lead-acid; LiFePO4 lithium
AC Input120V AC
AC Power Cord6 ft, 18 AWG
DC Output Cord6 ft, 18 AWG
DC Accessory Cord2 ft, 16 AWG (over 14 ft total reach)
IncludedCharging clamp set, jump start clamp set (the two are not interchangeable), zip carry case
ProtectionsSpark-proof, reverse polarity, short circuit, overcurrent, over-voltage, auto-shutoff, temperature compensation
WeightUnder 2 lbs (Deltran)
StandardscETLus (UL1236, UL2743), FCC, ICES, DOE, BC, UN38.3
Warranty1 year (Deltran)

Where This Charger Is Used

  • Daily drivers that sit - a second car, a commuter left at the airport, a truck that only moves on weekends
  • Motorcycles, ATVs and personal watercraft - maintained through storage, then jumped in the spring if the battery gave up anyway
  • Boats and tow vehicles - one unit covers the cranking battery at the dock and the truck at the ramp
  • Diesel pickups and SUVs - up to 4.0L diesel and 6.0L gas, which covers most half-ton and light-duty engines
Only need the maintainer, not the jump pack? → The full Deltran Battery Tender line, from the 750mA Junior to the 10-bank Power Tender.

Ordering and Shipping

Ships parcel, free on orders over $75. If the vehicle never leaves the garage and a second car is always there to jump from, a plain Battery Tender Plus does the maintenance job for about a third of the price. The 4120 earns its cost when the vehicle is parked where booster cables cannot reach. Buying for a dealership or a fleet? Send the quantity and delivery ZIP and a specialist returns a written quote in 24 to 48 hours.

Frequently Asked Questions

Who covers the Charge N Start 4120 warranty?

Deltran, the manufacturer, warrants the 4120 for one year. Keep your order confirmation as proof of purchase, and if a claim comes up, contact us and we will help you through it.

What size engine can the 4120 jump start?

Gasoline engines up to 6.0 liters and diesels up to 4.0 liters. Hold the crank for no more than five seconds per attempt and wait 30 seconds between tries so the pack can recover. On a motorcycle or ATV, three to five seconds is plenty.

Does the 4120 charge lithium motorcycle batteries?

Yes. Set the selector to lithium and the charger uses a LiFePO4 profile instead of the lead-acid one; move it back to standard for a flooded, AGM or gel battery. Charging lithium on a lead-acid setting is the usual way a LiFePO4 pack gets damaged, so check the selector before you clip on.

Can I leave the Charge N Start plugged in all winter?

That is what it is built for. Once the vehicle battery reaches float, the charger holds it there and periodically switches over to top up its own jump pack. Come spring, both are full.

How many jump starts does the internal pack hold?

Deltran rates a fully charged pack at up to 20 starts. The real number depends on engine size and temperature, so plug it back in after a jump rather than counting starts.

Want a second opinion before you order the 4120?

Tell us the vehicle, the battery type and the engine size. A battery specialist confirms the fit in writing in 24 to 48 hours, with no obligation to buy.

Call 1-877-775-4381  ·  battery specialists, not a call center
1-Year Deltran Manufacturer Warranty

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