COTEK CX1235
The COTEK CX1235 is a battery charger with 35A of charging current, dimensions of 183x72x263 mm and a weight of 1.9kg.
Last updated: 22 October 2026
Battery and charging
- Boost voltage it applies
- 14.4V / 14.7V (select by switch)
- Output current
- 35A
- Charger output voltage
- 12V
- Charger output current
- 35A
- Charger mains input
- 90~264VAC
- Efficiency
- 87%
- Float voltage
- 13.8V / 13.5V (select by switch)
- Battery types supported by the charger
- Lead Acid / Li-ion / Gel / AGM
Row from the maker’s page: “Standard Boost Charge Voltage” | “14.4V / 14.7V (select by switch)”
Source: cotek.com.tw/cx1235
Row from the maker’s page: “Main Rated Current” | “35A”
Source: cotek.com.tw/cx1235
Row from the maker’s page: “Output Voltage” | “12V”
Source: cotek.com.tw/cx1235
“Main Rated Current 15A 25A 35A 50A 80A”
Source: cotek.com.tw/pdf/105086/CX quick guide_75-1000-0558_A1.pdf
Row from the maker’s page: “Input Voltage Range” | “90~264VAC”
Source: cotek.com.tw/cx1235
Row from the maker’s page: “Efficiency” | “87%”
Source: cotek.com.tw/cx1235
Row from the maker’s page: “Standard Float Charge Voltage” | “13.8V / 13.5V (select by switch)”
Source: cotek.com.tw/cx1235
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/cx1235
Battery care and safety
- Operating temperature range
- -20~50℃
- Temperatures it may be stored in
- -40~85℃
Row from the maker’s page: “Operating Temperature” | “-20~50℃”
Source: cotek.com.tw/cx1235
Row from the maker’s page: “Storage Temperature” | “-40~85℃”
Source: cotek.com.tw/cx1235
Size and fit
- Overall dimensions
- 183x72x263 mm
- Stated weight
- 1.9kg
Row from the maker’s page: “Dimension (WxHxD)” | “183x72x263 mm”
Source: cotek.com.tw/cx1235
Row from the maker’s page: “Weight (Net)” | “1.9kg”
Source: cotek.com.tw/cx1235
Identity
- Model code
- CX1235
“Output CX1215 CX1225 CX1235 CX1250 CX1280”
Source: cotek.com.tw/pdf/105086/CX quick guide_75-1000-0558_A1.pdf
Sources
- 12V Battery Charger: CX1235 Model - CotekArchived document
Source: cotek.com.tw/cx1235
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