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Schumacher Battery Extender Charger/Maintainer — 3 Amp, Model# SP3
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Schumacher Battery Extender Charger/Maintainer — 3 Amp, Model# SP3

Item# 33849

Only $49.99
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Product Summary

The Schumacher Battery Extender Charger/Maintainer is a 120V fully automatic 3 Amp unit that charges and maintains batteries for extended life. Unique digital scrolling display tells the battery status, charge cycle and quick step-by-step hookup instructions.

What's Included

  • (1) Battery charger/maintainer
  • (1) Leads harness
  • (1) Clamp adapter
  • (1) DC adapter

Features + Benefits

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  • Microprocessor-controlled multistage charging for superior precision, safety and added battery life
  • Auto voltage detection automatically determines 6V or 12V batteries
  • Overcharge protection and polarity reversal protection keep battery safe
  • Hook attachment allows you to hang the Extender outside the work area for safety and convenience
  • Includes 24in. fused ring leads harness with weathercap, clamp adapter and DC adapter

Key Specs

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Item#33849
Ship Weight2.5 lbs
ChargesYes
MaintainsYes
DesulfatesYes
ConditionerYes
Works With6, 12V batteries
Amps3
Trickle Charge Amps3
Charges Multiple Batteries (qty.)1
Overcharge ProtectionYes
Polarity Reversal ProtectionYes
Power Source120V
Power Cord (ft.)12

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Hide Similarities
Charges Yes Yes Yes Yes Yes
Maintains Yes Yes Yes Yes Yes
Desulfates Yes Yes Yes Yes Yes
Conditioner Yes Yes Yes Yes Yes
Works With 12V lead-acid battery 12V flooded (filler cap), sealed, maintenance-free, starter, deep cycle, Optima brand sealed AGM, marine batteries 6, 12V batteries 12V lead-acid battery 12V lead-acid battery
Amps
1.33 1.5 3 0.45 1.25
Trickle Charge Amps 5mA–1A determined by battery demand 5mA–1,000mA 3 Regulated up to 0.45 as needed Regulated up to 1.25A
Charges Multiple Batteries (qty.) 4 4 1 2 4
Overcharge Protection Yes Yes Yes Yes Yes
Polarity Reversal Protection Yes Yes Yes Yes Yes
Power Source 120VAC 90–240V AC/50–60 Hz 120V Solar panel Solar panel
Power Cord (ft.) 11 12 12 20 4