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TM-291 5 amp Lithium (LifePo4) Battery Charger/Maintainer

$129.90

FREE SHIPPING IN THE USA!

The Optimate TM-291 Lithium charger will charge and maintain your lithium battery with 5 amps of energy so your battery is ready to go when you are!  If you want a faster charger, there is also the 9.5 amp version below that also has a “tune” or  power source mode of delivering 8 continuous amps of energy so you can program your EFIS or retune your car, click below if you want those features for an additional $40.

https://earthxbatteries.com/product-category/accessories

 

To reset an EarthX battery that is in the over discharge protection mode, connect alligator clips FIRST, and then plug unit into the wall. You will see the lights go to the save mode.

SKU: TM-291 Categories: ATV Vehicles, Automobile, Certified Aircraft, Chargers, EarthX Lithium Batteries, EarthX Lithium Battery accessories, Experimental Aircraft, Motorcycle, Race Cars, Snowmobile, UTV / Side-by-Side Utility Vehicles.
  • Description

Description

  • Ultimate LiFePO4 professional level battery charger. High efficiency diagnostic charger and tester for LiFePO4 / LFP batteries.
  • Perfect for charging and seasonal maintenance of a 13.2V LiFePO4 / LFP battery sized from 2 to 100 Amp-hour.
  • SAVE : Low Volt Start of 0.5V + 3-step low volt SAVE and TEST; CHARGING AMPS: 5A (AmpMatic).
  • IDEAL FOR: LiFePO4 (LFP) 4 series batteries from 2 – 100Ah; INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed.
  • USE: Indoor / Outdoor (lowest temperature: -40°F / -40°C); STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector; Weatherproof battery lead & standard battery clip set included.

OptiMate™ lithium, the first OptiMate to protect your LiFePO4 battery in a way no other charger did before!

The new OptiMate lithium will protect your investment and guarantee your Lithium Iron Phosphate (LiFePO4 / LFP) battery will perform as advertised for a very long time.

With 5 Amps of charge current available OptiMate lithium unique multi step
ampmaticTM program recharges and balances cells within the battery quickly and efficiently.

OptiMate lithium’s maintenance program delivers current to the vehicle circuitry, protecting and keeping the battery at 100% charge.

OptiMate lithium – Battery Performance Guaranteed!

Brand Tecmate
Model TM-291
Item Weight 2.2 pounds
Product Dimensions 11.9 x 7.1 x 3.3 inches

How it works

  1. Pre-qualification test: OptiMate Lithium displays the condition of the battery before charging and measures environment temperature. The ampmatic™ charge program is selected according to temperature and battery condition.
  2. Low Volts recovery: The safeTº protection mode controls charging during this sensitive battery SAVE stage, to ensure that an over discharged battery will be correctly and safely recovered. Tests are conducted through-out the SAVE program to determine if the battery has successfully recovered and can advance to BULK CHARGE.
  3. Bulk charge: the ampmatic™ processor actively adjusts charge current to match battery capacity and condition, achieving a complete charge in the shortest time. Progress is tracked against the ideal charge curve for LiFePO4 batteries.
  4. Short-circuited / dead cell check: Charge progress is tracked against the ideal LiFePO4 charge curve, internal damage will be detected and unnecessary charging is  prevented of a battery that cannot be recovered.
  5. Absorption and equalization: for 10 minutes the current is delivered in pulses with voltage controlled between 14,0 and 14,3V, aiding cell voltage equalization and improving the battery’s overall power delivery.
  6. Charge verification: the voltage is limited at 13,6V while the ampmaticTM processor monitors the current absorbed by the battery. If this reveals a less than optimal charge, the program reverts to absorption for a further 10 minutes.
  7. Voltage retention test: is conducted for 30 minutes during which no charge current is delivered, with 5 possible test results indicating the battery’s general state  of health. A green (voltage > 12,7V) result extends the test up to 12 hours, to check for excessive self discharge or higher than expected power loss through the vehicle’s  electrical system.
  8. Charge maintenance: The 12 hour MAINTENANCE CHARGE CYCLE consists of 30 minute float charge periods at a voltage of 13,6V followed by and alternating with a 30 minute ‘rest’ (no charge current) periods. During the float charge period current is delivered only if the battery has lost charge due to connected vehicle circuitry. A refresh cycle may be performed if the charge level has dropped significantly. The voltage retention test and maintenance charge cycle will repeat 24 hours after the start of the very first test and continue to repeat for as long as the charger remains connected.
    The alternating charge and ‘rest’ maintenance program protects the battery against over discharge by connected vehicle circuitry, making it ideal for indefinite and 100% safe long term  maintenance charging.

Technical Specifications

Recommended for LiFePO4 / LFP batteries up to 100Ah
Programme control ampmatic™ microprocessor
Input current max. 0,55A @ 230V
Typical annual energy cost < €1 (continuous maintenance)
Reverse drain current less than 0,001A
Output current (bulk charge) 0,4A – 5,0A
Charge time limit 24 hours (maintenance time: unlimited)
Maintain / test cycles 30 min/30 min (alternating hourly)
Charge retention test Range: 10,1 – 13,3V. GOOD (green) = battery voltage > 13,3V
Size 199 x 71 x 61mm
Weight 740g
Enclosure classification IP54
Mounting easy direct wall mounting
Input cable length 2m
Output cable length 2m
Included Accessories SAE-71 fused eyelet set, weather protected
SAE-74 clamps set for bench charging
Operation temperature range -40°C / +40°C
Warranty 3 years

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    The ETZ14C has 330CCA; weighs 2.5 pounds; has 6.8Ah capacity and has the battery management system minus over discharge protection and excessive cranking protection so it will not cut off in cold weather starts with a 1 year warranty. This battery was designed for high cranking amps in the cold. The cost is $259.

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    EarthX ETZ series of starter batteries are the most innovative and technology advanced batteries on the market! EarthX has an exclusive fully integrated battery management system (BMS) to protect the cells so you will have a premium performance battery and better longevity!

    The ETZ14C  is a lithium iron phosphate (LiFePO4), starter battery with high cranking abilities.

    Exclusive Features:

    –Over charge protection (Other brands do not protect against this and void the warranty)

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    – Short circuit protection up to 1,000 amps (Other brands void the warranty if you short the battery)

    –1 Year full coverage warranty (Not a prorated warranty that offers you the replacement at a discounted rate if they don’t void the warranty)

    –Unique and exclusive design (Custom design with the terminals down the center and most models come with solid brass terminal adapters for extremely easy installation. You can choose an OEM fit or a compact fit)

    – Designed, engineered and assembled in the USA

     

    Why choose an EarthX lithium battery? S    P    E    E    D

    S=    SPEEDY CHARGING- EarthX ETZ batteries will charge 2-3X faster than a lead acid battery.

    P=   POWERFUL and LONG LASTING- EarthX ETZ batteries crank your engine over easily and will improve your starting performance as their resting voltage is 13.3V compared to a lead acid which is only 12.6V. Also EarthX ETZ batteries life span is much longer than a lead acid battery and can last years longer!

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    D=   DISCHARGE RATE- EarthX ETZ batteries have a much slower discharge rate than a lead acid and the need to charge them is greatly reduced.

     

    If you live outside the USA or Canada, email us at sales@earthxbatteries.com for a shipping quote.

     

    Add to cart
  • ETX-QCC2 24″ EarthX Quick Connect Cables

    $29.99

    FREE SHIPPING IN THE USA!

    24″ Long Quick Connect Charging/Jump Start Cables

    You can permanently install this quick connect cable to your battery (lead acid or lithium) that can be used for quick, easy access for charging or be used with a portable jump starter to jump start your battery in seconds! No removal of seats, no removal of battery covers, no tools needed, no time wasted! Engineered and designed to carry 400 amps of energy without melting the wire by using 150 strand insulated copper wire. The standard SAE fitting will fit any standard portable jump pack on the market today.

    Add to cart

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