Any charger should not be left on a battery for long periods without checking on the charger and the battery. The charger should shut off if the battery shorted. These are very safe chargers, but when charging anything you do not need to leave for extended periods of time without checking on them. I leave one of my chargers for a week at a time without checking on it, but the vehicle is not in my garage and is outside with the charger covered from the weather. This is not recommended by the manufacturer.
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Schumacher Fully-Automatic Battery Charger/Maintainer, 12 Volt, 6 Amp, Model# SP6

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- Battery type selector button allows you to choose from lead-acid or Lithium-ion charging modes
- Microprocessor controlled unit has multi-stage charging for added precision, safety and battery life
- Float mode monitoring automatically maintains optimum battery charge
- Scrolling digital messaging provides step-by-step instructions to properly charge your battery
- LED indicator lights display charging status
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Description
Key Specs
Reviews
Q & A
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Product Summary
What's Included
- (1) 6 Amp battery charger (1) Clamp adapter (2) 24in. fused ring leads (1) DC adapter
Features + Benefits
- Battery type selector button allows you to choose from lead-acid or Lithium-ion charging modes
- Microprocessor controlled unit has multi-stage charging for added precision, safety and battery life
- Float mode monitoring automatically maintains optimum battery charge
- Scrolling digital messaging provides step-by-step instructions to properly charge your battery
- LED indicator lights display charging status
- Reverse hook-up protection helps prevent damage to battery and charger
- Quick-connect harness attaches any of the (included) 3 connectors in seconds
- Hook attachment allows you to hang the charger outside the work area for safety and convenience
- Energy efficient charger meets the highest industry standards
- Float mode monitoring automatically maintains optimum battery charge
Key Specs
| Attribute | Specification |
|---|---|
item# | 81601 |
Brand | Schumacher |
Ship Weight | 2.4 LB |
Volts | 12 |
Settings (qty.) | 7 |
Charger Type | Automatic |
Cable Length | 6 ft |
| Attribute | Specification |
|---|---|
Clamp Material | Stainless Steel |
Overcharge Protection | Yes |
Charges Multiple Batteries | No |
Polarity Reversal Protection | Yes |
Product Weight | 2.5000 lb |
Dimensions L x W x H (in.) | 8.0 x 3.25 x 9.5 in |
Reviews
Questions & Answers
Questions
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· 7 years ago
Battery Maintenance
One of the answers in Q&A said it was not to be used for long periods of time. What does that mean?
I have one on order for charging and maintenance.-
27262· 7 years ago
Helpful?
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ProductExpert12· 7 years ago
The maintain mode technology allows you to safely charge and maintain a healthy battery for extended periods of time. Leaving the charger/maintainer unattended for extended periods of time is not recommended by the manufacturer. They recommend monitoring the battery and charging process occasionally since unanticipated conditions could cause excessive current draws and cause damage.
Helpful?
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· 7 years ago
IS IT WATERPROOF
CAN IT BE LEFT CONNECTED OUTDOORS WHILE OUT OF TOWN
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27262· 7 years ago
This is not weatherproof. I use an extension for the charger and have the charger in my garage with the extension running outside to the spare vehicle. Works great that way. The extension is 25' and I found at the local Northern Store.
Helpful?
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ProductExpert10· 7 years ago
The manufacturer does not recommend having the unit exposed to rain or snow. This product is not designed to be left unattended for long periods of time.
Helpful?
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· 7 years ago
Will this charge three batteries in series on diesel van?
One battery, accessory, is marine. The other two are starter for 7.3 liter Ford diesel.
1 answer-
ProductExpert41· 7 years ago
This charger will not charge three batteries in series. This charger is only capable of charging one 12-volt battery at a time.
Helpful?
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· 7 years ago
Will this work with a 12V deep cycle battery? I just ruined one using a "smart" charger/maintainer.
1 answer-
ProductExpert12· 7 years ago
This charger/maintainer can be used with 12 Volt deep cycle batteries.
Helpful?
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· 7 years ago
What setting do you use for optima batteries -lead acid or lithium ion?
1 answer-
ProductExpert29· 7 years ago
This unit would be set to the lead-acid battery option for use with Optima batteries.
Helpful?
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Specifications
12
12
12/24
12
7
-
3
2
Automatic
Automatic
Automatic
Automatic
6 ft
-
6 ft
6 ft
Stainless Steel
-
Steel
-
Yes
Yes
Yes
Yes
No
-
-
Yes
Yes
Yes
Yes
Yes
2.5000 lb
10.4700 lb
39.1500 lb
40.1100 lb
8.0 x 3.25 x 9.5 in
5.5 x 11.0 x 10.5 in
13.5 x 14.12 x 24.12 in
23.75 x 17.0 x 15.25 in
-
50
-
-
-
No
Yes
No
-
Steel
Steel
Steel
-
-
6
-
-
-
-
12



