If you are charging an AGM battery, the clicking sound means it is in the second stage before going to float. It will then stop clicking. If it is a lithium battery, it means it is charged complete.
UPG, 12v 4A LFP and SLA/AGM charger, Volts 12 Max. Amps 4 Model# 48140
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$66.99
- Ultra-light weight - A third of the weight of traditional Charger
- Charges 3X faster than sealed lead-acid Charger
- Eco friendly - No harmful pollutants, corrosive acids or toxic heavy metals
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Specifications
Specifications
UPG, 12v 4A LFP and SLA/AGM charger, Volts 12 Max. Amps 4 Model# 48140
Schumacher Battery Charger/Trickle Charger/Desulfator/Booster/Engine Starter, 12 Volt, 80/20/2 Amp, Model# SC1306
Schumacher Wheeled Battery Charger/Trickle Charger/Desulfator/Engine Starter, 12/24 Volt, 6-2/40/250 Amp, Model# SC1352
Schumacher Wheeled Battery Charger/Trickle Charger/Desulfator/Engine Starter, 250A Power, Digital Display, Overcharge Protection, Model# SC1325
Volts
Same
12
12
12/24
12
Max. Amps
Same
4
80
-
-
Charger Type
Same
Automatic
Automatic
Automatic
Automatic
Cable Length
Same
5 ft
6 ft
6 ft
6 ft
Wheeled
Same
No
No
Yes
Yes
Amp Charge Rate
Same
4
-
-
-
Overcharge Protection
Same
Yes
Yes
Yes
Yes
Charges Multiple Batteries
Same
Yes
-
-
-
Polarity Reversal Protection
Same
Yes
Yes
Yes
Yes
Power Cord Length
Same
5 ft
-
-
-
Application
Same
LFP/SLA Batteries
-
-
-
Case Material
Same
-
Other
Steel
Steel
Product Weight
Same
-
14.3000 lb
39.1500 lb
29.9000 lb
Dimensions L x W x H (in.)
Same
-
5.5 x 11.125 x 11.31 in
13.5 x 14.12 x 24.12 in
12.0 x 12.5 x 23.37 in
Settings (qty.)
Same
-
-
3
3
Cable Gauge
Same
-
-
6
8
Clamp Material
Same
-
-
Steel
Steel
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