TECMATE USA TECTM-391 Optimate Lithium Battery Charger 612192790845 4S 6A 10-STEP

( Brand: Tecmate Usa ), ( Manufacturer Part Number: TECTM-391 ), ( Color: Multicolor ), ( Type: Car Battery Chargers ), ( UPC: 612192790845 )

Review TECMATE USA Optimate Lithium 4s 6a Battery Charger 10-step

Introducing the Tecmate TECTM-391 Optimate Lithium 4S 6A Battery Charger, a versatile and advanced charging solution designed to cater to a wide range of 12V Lithium-ion and sealed lead-acid batteries. This 10-step smart charger is engineered to deliver superior charging performance, ensuring optimal battery health and longevity.

The TECTM-391 is equipped with an intelligent microprocessor that analyzes the battery type and condition, adjusting charging parameters accordingly. With its 10-step charging algorithm, the charger provides bulk, absorption, float, and maintenance charging stages, ensuring that your battery is charged efficiently and safely.

* Universal compatibility: Suitable for charging 12V Lithium-ion and sealed lead-acid batteries, including AGM, GEL, and WET types.

* Reverse polarity protection: Automatically shuts off the charger to prevent damage from incorrect battery connections.

* Overcharge protection: Monitors battery temperature and voltage to prevent overcharging, ensuring battery health and longevity.

* Spark-proof and short-circuit protection: Safeguards against accidental sparks and short-circuits during charging.

* Diagnostic function: Displays charging status and fault codes to help identify and troubleshoot issues.

* Compact and portable design: Lightweight and portable, making it an ideal choice for various applications, including automotive, marine, solar, and industrial uses.

* Over-discharge recovery: Can recover deeply discharged batteries by providing a low-voltage boost to re-establish a charging cycle.

With its advanced features and versatile compatibility, the Tecmate TECTM-391 Optimate Lithium 4S 6A Battery Charger is an essential tool for anyone who relies on batteries to power their devices or applications. Its smart charging capabilities ensure optimal battery performance and longevity, making it a valuable investment for both personal and professional use.

The Tecmate Tectm-391 Optimate Lithium 4S 6A Battery Charger is a 10-step smart charger designed for maintaining, charging, and conditioning sealed lead-acid and lithium ion batteries. Here are some pros and cons of buying this charger:

1. Versatile: It can charge both sealed lead-acid and lithium-ion batteries, making it a suitable choice for a variety of applications.

2. Safety features: The charger has reverse polarity protection, overcharge protection, and short circuit protection, ensuring safe charging.

3. 10-step charging process: This charger uses a 10-step charging process that ensures optimal battery performance and longevity.

4. Compact design: The charger has a compact design, making it easy to transport and use in different locations.

5. Affordable: The Tectm-391 is priced competitively compared to other chargers with similar features.

1. Limited compatibility: The charger may not be compatible with all types of batteries, so it's essential to check the compatibility before purchasing.

2. Manual process: The charging process is not entirely automatic as it requires the user to select the battery type and size.

3. Lacks advanced features: The charger does not have advanced features like temperature sensing or wireless charging.

The Tecmate Tectm-391 Optimate Lithium 4S 6A Battery Charger is a versatile and affordable charging solution for maintaining and charging sealed lead-acid and lithium-ion batteries. Its safety features, compact design, and 10-step charging process make it a good choice for individuals and businesses looking for a reliable and effective charger. However, users should check the compatibility of their batteries before purchasing and keep in mind that the charging process requires some manual input.

If you're looking for a charger that can handle both sealed lead-acid and lithium-ion batteries, offers safety features, and has a compact design, then the Tecmate Tectm-391 Optimate Lithium 4S 6A Battery Charger is a good option to consider. Its competitive price point makes it an even more attractive choice for those on a budget. However, it's essential to ensure that your batteries are compatible with the charger and that you're willing to manually input the battery type and size during the charging process.

Details:

Totally safe for vehicle electronics. Approval CEC. Frequency Rating 50/60 hertz . Unnecessary and unsafe charging of a bad battery is prevented.

No risk of overcharging. Minimum AC Input voltage 100 Volt. Tecmate USA TECTM-391 Optimate Lithium 4S 6A Battery Charger 10-Step:: Features. Safe for long-term battery maintenance.

Battery Type Lithium. Automatic shut-down if short-circuited or battery disconnected. Sparks suppressed. Application Indoor Outdoor.

Battery Size Designation LFP. Safety Deg Automatic charge rate adjustment to ambient temperature sensed at the charger. Includes Weatherproof Battery Lead Standard Clip Set. Maximum AC Input voltage 240 Volt.

part #: tectm391 price

• $141.61

specifications vehielectro:

• brand: Tecmate Usa
• manufacturer part number: TECTM-391
• color: Multicolor
• type: Car Battery Chargers
• upc: 612192790845

payments vehielectro:

• credit card: Visa
• wallet: Paypal
• other

general vehielectro:

• condition: New
• Consumer Electronics > Vehicle Electronics GPS > Other Vehicle Electronics

offer vehielectro:

• quantity: 2
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: February 24, 2026

seller vehielectro:

• # reviews: 221028
• rating: 98.5%
• city: Lakewood, New Jersey

shipping vehielectro:

• carrier: UPS
• transit: 7-13 Days
• type: Fixed
• cost: $0.00
• service: UPS Ground
• class: Standard

returns vehielectro:

• method: Money back
• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

Tecmate Usa TECTM-391 Is Similar To:

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