COTEK CX1225
The COTEK CX1225 is a battery charger with 25A of charging current, dimensions of 183x72x243 mm and a weight of 1.7kg.
Last updated: 22 October 2026
Battery and charging
- Boost voltage it applies
- 14.4V / 14.7V (select by switch)
- Output current
- 25A
- Charger output voltage
- 12V
- Charger output current
- 25A
- 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/cx1225
Row from the maker’s page: “Main Rated Current” | “25A”
Source: cotek.com.tw/cx1225
Row from the maker’s page: “Output Voltage” | “12V”
Source: cotek.com.tw/cx1225
“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/cx1225
Row from the maker’s page: “Efficiency” | “87%”
Source: cotek.com.tw/cx1225
Row from the maker’s page: “Standard Float Charge Voltage” | “13.8V / 13.5V (select by switch)”
Source: cotek.com.tw/cx1225
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/cx1225
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/cx1225
Row from the maker’s page: “Storage Temperature” | “-40~85℃”
Source: cotek.com.tw/cx1225
Size and fit
- Overall dimensions
- 183x72x243 mm
- Stated weight
- 1.7kg
Row from the maker’s page: “Dimension (WxHxD)” | “183x72x243 mm”
Source: cotek.com.tw/cx1225
Row from the maker’s page: “Weight (Net)” | “1.7kg”
Source: cotek.com.tw/cx1225
Identity
- Model code
- CX1225
“Output CX1215 CX1225 CX1235 CX1250 CX1280”
Source: cotek.com.tw/pdf/105086/CX quick guide_75-1000-0558_A1.pdf
Sources
- 12V Battery Charger: CX1225 Model - CotekArchived document
Source: cotek.com.tw/cx1225
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