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🔋 Charge smarter, race harder — never miss a beat with OptiMate Lithium 4s 6A!
The Tecmate OptiMate Lithium 4s 6A is a professional-grade 12.8V lithium battery charger and maintainer featuring a powerful 6A output, an advanced 10-step charging program, and integrated BMS wake-up mode. Designed for high-performance LiFePO4 batteries in motorcycles, cars, and crafts, it also offers a specialized TUNE mode for stable ECU programming, making it the go-to choice for racers and lithium battery enthusiasts.














| ASIN | B09Z71LQF9 |
| Amperage | 0.76 Amps |
| Best Sellers Rank | #119,184 in Automotive ( See Top 100 in Automotive ) #352 in Battery Chargers |
| Brand | Tecmate |
| Built-In Media | Battery Charger, weatherproof battery lead & battery clip set |
| Color | ['Blue'] |
| Colour | ['Blue'] |
| Compatible Devices | Lithium batteries (LiFePO4 / LiFe / LFP), specifically 12.8V/13.2V 4s batteries used in motorcycles, cars, and crafts |
| Current Rating | 6 Amps |
| Customer Reviews | 4.8 out of 5 stars 42 Reviews |
| Input Voltage | 240 Volts |
| Input voltage | 240 Volts |
| Item Type Name | Battery Charger |
| Item Weight | 9.6 Ounces |
| Item weight | 9.6 Ounces |
| Manufacturer | TecMate |
| Mfr Part Number | TM391 |
| Model Number | TM391 |
| Number of Ports | 1 |
| Output Voltage | 12.8 Volts |
| Output voltage | 12.8 Volts |
| Specification Met | ecu |
| Specification met | ecu |
| Unit Count | 1 Count |
M**E
Excellent
Works flawlessly with my EarthX batteries. A serious charger for the new world of Li batteries. Very robust, you get what you pay for. I would recommend to people I know but I'm the only one with the lithium batteries.
S**S
Quality
Good kit works great
R**B
Perfect, cheaper than the Motorcyle branded charger...
Higher current charger enables me to reuse this for any other sized batteries I may have. BMS reset feature looks handy but have not had a chance to use it. Case seems really sturdy compared to other trickle charges I have, but they are rated 1 Amp and below...
A**R
Pricey but good quality and works well
Very nice charger but it is pricey compared to other models. That being said I love the quality of Optimate chargers and have several and they have all been reliable and helpful.
D**D
Best charger out there, its that simple.
I did a lot of research and I have used many different brands of chargers. The OptiMate series of chargers can't be beat. They are the most sophisticated and problem free chargers out there. I have a number of them and they always do the job. I have even been able to bring a couple of batteries back to life. Highly recommend this product in its many superior forms.
Trustpilot
3 weeks ago
2 weeks ago