OptiMate DC DUO - Battery-to-Battery Charger & Maintainer
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In stockR1,859
The Story
The OptiMate DC DUO TM500 V3 is a versatile DC-to-DC smart charger and maintainer designed to safely charge and maintain a second 12V battery from a primary 12V power source. It supports both lead-acid and lithium batteries with automatic detection and a 6-step multi-stage charging cycle, making it ideal for trailers, off-grid setups, dual-battery 4x4s, and boats. With a compact, weatherproof design and low power consumption, it ensures reliable battery maintenance without the need for AC power.
add_circle The Upside
- check Versatile for mobile, off-grid, and solar systems
- check Automatic battery type detection simplifies setup
- check Protects source battery from over-discharge
remove_circle The Downside
- close 2A charge current may be slow for large batteries
- close Requires a 12V source battery, not standalone
- close Limited to 12V systems only
Specifications & features
Key features
- check_circle DC-to-DC charging from any 12V source
- check_circle Supports lead-acid and LiFePO4 batteries with auto-detection
- check_circle 2A charge current with 6-step smart program
- check_circle Low power consumption (<0.5 mA in passive mode)
- check_circle Weatherproof and compact design for mounting
Specifications
Battery types
Lead-acid, LiFePO4
Charge Current
2A
Charging Stages
6-step multi-stage
Dimensions
Compact (exact size not specified)
Tags
Other
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