Skip to content

COTEK CX1280

The COTEK CX1280 is a battery charger with 80A of charging current, dimensions of 213x77x312 mm and a weight of 4 KG.

Last updated: 22 October 2026

Battery and charging

Boost voltage it applies
14.4V / 14.7V (select by switch)

Row from the maker’s page: “Standard Boost Charge Voltage” | “14.4V / 14.7V (select by switch)”

Source: cotek.com.tw/cx1280

Output current
80A

Row from the maker’s page: “Main Rated Current” | “80A”

Source: cotek.com.tw/cx1280

Charger output voltage
12V

Row from the maker’s page: “Output Voltage” | “12V”

Source: cotek.com.tw/cx1280

Charger output current
80A

“Main Rated Current 15A 25A 35A 50A 80A”

Source: cotek.com.tw/pdf/105086/CX quick guide_75-1000-0558_A1.pdf

Charger mains input
90~264VAC

Row from the maker’s page: “Input Voltage Range” | “90~264VAC”

Source: cotek.com.tw/cx1280

Efficiency
87%

Row from the maker’s page: “Efficiency” | “87%”

Source: cotek.com.tw/cx1280

Float voltage
13.8V / 13.5V (select by switch)

Row from the maker’s page: “Standard Float Charge Voltage” | “13.8V / 13.5V (select by switch)”

Source: cotek.com.tw/cx1280

Battery types supported by the charger
Lead Acid / Li-ion / Gel / AGM

Unconfirmed

“Battery Type Lead Acid / Li-ion / Gel / AGM”

Source: download.somanuals.com/pdf/view.php?id=5742060

Row from the maker’s page: “Battery Type” | “Lead Acid / Li-ion / Gel / AGM”

Source: cotek.com.tw/cx1280

Battery care and safety

Operating temperature range
-20~50℃

Row from the maker’s page: “Operating Temperature” | “-20~50℃”

Source: cotek.com.tw/cx1280

Temperatures it may be stored in
-40~85℃

Row from the maker’s page: “Storage Temperature” | “-40~85℃”

Source: cotek.com.tw/cx1280

Size and fit

Overall dimensions
213x77x312 mm

Row from the maker’s page: “Dimension (WxHxD)” | “213x77x312 mm”

Source: cotek.com.tw/cx1280

Stated weight
4 KG

Row from the maker’s page: “Weight (Net)” | “4 KG”

Source: cotek.com.tw/cx1280

Identity

Model code
CX1280

“Output CX1215 CX1225 CX1235 CX1250 CX1280”

Source: cotek.com.tw/pdf/105086/CX quick guide_75-1000-0558_A1.pdf

Sources

  • 12V Battery Charger: CX1280 Model - CotekArchived document

    Source: cotek.com.tw/cx1280

    Retrieved October 15, 2026

  • Archived document

    Source: cotek.com.tw/pdf/105086/CX quick guide_75-1000-0558_A1.pdf

    Retrieved October 20, 2026

  • Archived document

    Source: download.somanuals.com/pdf/view.php?id=5742060

    Retrieved October 12, 2026