






🔋 Charge smarter, last longer — never miss a beat with Tecmate OptiMate Lithium 4s!
The Tecmate OptiMate Lithium 4s 6A is a cutting-edge 12.8V lithium battery charger and maintainer featuring a powerful 6A current, an advanced 10-step charging program, and integrated BMS protection. Designed for high-performance LiFePO4 batteries, it includes a unique wake-up mode and TUNE mode for ECU programming stability, all housed in a compact, weatherproof package ideal for professionals who demand reliability and efficiency.








| Package Dimensions L x W x H | 30.2 x 17.9 x 8.1 centimetres |
| Package Weight | 1.22 Kilograms |
| Product Dimensions L x W x H | 22.2 x 8.9 x 6.3 centimetres |
| Item Weight | 9.6 Ounces |
| Brand | Tecmate |
| Colour | ['Blue'] |
| Included components | Battery Charger, weatherproof battery lead & battery clip set |
| Part number | TM391 |
| Guaranteed software updates until | unknown |
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