OptiMATE TM Series Lithium Charger 0.8A Instruction Manual

June 4, 2024
OptiMATE

OptiMATE TM logo 1OptiMATE TM Series Lithium
ChargerOptiMATE TM logo

TM Series Lithium Charger 0.8A

INSTRUCTIONS FOR USE
IMPORTANT: Read completely before charging
MODEL: TM470 / TM471 / TM472 / TM478 / TM497
AC: 100-240VAC rt 50-60Hz 0.23A @ 100Vac / 0.15A @ 240Vac 1 x 12.8V 4 series cell Lithium Iron Phospate / LFP 1 – 10Ah

MODEL: TM484 / TM485 / 486 / TM488
AC: 100-240VAC et 50-60Hz 0.92A @ 100Vac / 0.60A @ 24OVac
DC: 12.8V 4 x 0.8A (independent) 4 x 12.8V
4 series cell Lithium Iron Phospate / LiFePO4 I LFP 1 – 10Ah
Automatic charger for 12.8V LiFePO4 batteries

LED #1 AC POWER (100-240V)
LED #2 REVERSE POLARITY
LED #3 SAVE / SOC: 0 – 49%
LED #4 CHARGE / SOC: 50%+
LED #5 MAINTAIN / SOC: 70% – 100% / SOH:
LED #6 BATTERY SOH:
SOC – State Of Charge
SOH – State Of Health

TEST / S.O.C. (LED #5 & LED #6)

Model: TM484 / TM485 / TM486 / TM488
Charge stations / banks on OptiMate Lithium 4s 0.8A x4 operate independently.

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS. IT IS OF THE UTMOST IMPORTANCE THAT EACH TIME, BEFORE USING THE BATTERY CHARGER, YOU COMPLETELY FAMILIARIZE YOURSELF WITH THESE SAFETY INSTRUCTIONS.
AUTOMATIC BATTERY CHARGER FOR 12.8V LiFePO4 BATTERIES. DO NOT USE FOR NiCd, NiMH, LEAD-ACID or any other types of Li-Ion OR NON-RECHARGEABLE BATTERIES.

  1. GENERAL BATTERY CHARGER PRECAUTIONS.
    CAUTION: DO NOT CONNECT TO THE GROUND. Do not expose the charger to rain or snow. Use of an attachment not recommended or sold by the battery charger manufacturer may result in a risk of fire, electric shock, or injury to persons. To reduce the risk of damage to the electric plug and cord/cable, pull by plug rather than cord/cable when disconnecting the charger. Do not operate the charger with a damaged cord or plug – If the cable is damaged, it is essential to have it replaced without delay by the manufacturer, an authorized service agent, or a qualified workshop, to avoid danger. Do not operate the charger if it has received a sharp blow, been dropped, or has been otherwise damaged in any way; take it to a qualified Service Technician. Do not disassemble the charger; take it to a qualified serviceman when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire. Before attempting any maintenance or cleaning, to reduce the risk of electric shock, unplug the charger from the AC outlet and the battery. Clean only with a slightly moist, not wet, cloth. Do not use solvents.

  2. AC EXTENSION CORDS/CABLES.
    An extension cord/cable should not be used unless absolutely necessary. The use of an improper extension cord could result in a risk of fire and electric shock. If an extension cord must be used make sure that:
    a) pins on the plug of the extension cord are the same number, size, and shape as those of the plug on the charger,
    b) the extension cord is properly wired and in good electrical condition, and
    c) the conductor wire size is large enough for the AC ampere rating of the charger as specified in the table below.AC INPUT RATING IN AMPERES| LENGTH OF| AWG SIZE OF CORD
    ---|---|---
    Equal to or greater than …………………… But less than| CORD, FEET (m)|
    2A| 3A| 25 (17.6)| 18
    50 (15.2)| 18
    100 (30.5)| 14

  3. WARNING – RISK OF EXPLOSIVE GASES.
    a) Working in the vicinity of a battery is dangerous. For this reason, it is of utmost importance that you follow the instructions each time you use the charger.
    b) To reduce the risk of battery explosion, follow these instructions and those published by the battery manufacturer and manufacturer of any equipment you intend to use in the vicinity of the battery. Review cautionary marking on these products and on engines.

  4. PERSONAL PRECAUTIONS:
    a) Someone should be within range of your voice OR close enough to come to your aid when you work near a lithium battery.
    b) Have plenty of fresh water and soap nearby in case the battery has ruptured and leaking electrolyte contacts skin, clothing or eyes.
    c) Wear complete eye protection and clothing protection. Avoid touching your eyes while working near the battery.
    d) If leaking battery electrolyte contacts or enters the eye, flood the eye with cold running water for at least 10 minutes and get medical attention immediately. If leaking battery electrolyte contacts skin or clothing, wash immediately with soap & water.
    e) NEVER smoke or allow a spark or flame in the vicinity of the battery or engine.
    f) Be extra cautious to reduce the risk of dropping a metal tool onto the battery. It might spark or short-circuit the battery or other electrical part that may cause an explosion.
    g) Remove personal metal items such as rings, bracelets, necklaces, and watches when working with any battery. A lithium battery can produce a short- circuit current high enough to weld a ring or the like to metal, causing a severe burn.
    h) NEVER charge a lithium battery in temperatures below -20°C / -4°F.

  5. CHARGER LOCATION:
    a) Do not operate the charger in a closed-in area or restrict ventilation in any way.
    b) Locate the charger as far away from the battery as DC cables permit.
    c) Do not set a battery on top of the charger.
    IMPORTANT: Place the charger on a hard flat surface or mount it onto a vertical surface. Do not place on plastic, leather or textile surface.

  6. DC CONNECTION PRECAUTIONS:
    a) Connect and disconnect DC output clips only after removing the AC cord from the electric outlet. Never allow clips to touch each other.
    b) Attach clips to battery and chassis as indicated in 8(e), 8(0, and 9(a) through 9(d).
    NOTE : This battery charger has an automatic safety feature that will prevent it from operating if the battery has been inversely connected. Remove the AC cord from the electrical outlet, disconnect the battery clips, then reconnect correctly according to the instructions below.

  7. PREPARING THE BATTERY:
    a) If the battery is new, before connecting the charger read the battery manufacturer’s safety and operational instructions carefully.
    b) If it is necessary to remove the battery from the vehicle to charge, make sure all accessories in the vehicle are off, so as not to cause an arc. First remove the grounded terminal (normally marked NEGATIVE (NEG, N,) not to cause an arc. First remove the grounded terminal (normally marked NEGATIVE (NEG, N,) from the battery first, then the terminal marked POSITIVE (POS, P, +).
    c) Place the battery in a well-ventilated area. d) Visually check the battery for mechanical defects such as a bulging or cracked casing, or signs of electrolyte leakage.lf mechanical defects are apparent do not attempt to charge the battery, have the battery professionally assessed.
    e) Clean battery terminals. Be careful to keep corrosion from coming in contact with the eyes.
    f) Carefully follow the manufacturer’s recharging instructions. h) Study all battery manufacturer’s specific precautions such as recommended rates of charge.
    i) Determine the voltage of the battery by referring to the vehicle or other user’s manual and before making the battery connections, make sure that the voltage of the battery you are going to charge matches the output voltage of the battery charger.

  8. FOLLOW THESE STEPS WHEN THE BATTERY IS INSTALLED IN THE VEHICLE AND YOU CHOOSE TO USE BATTERY CLIPS TO CHARGE THE BATTERY. SHORT-CIRCUITING THE BATTERY MAY CAUSE AN EXPLOSION. TO REDUCE RISK:
    a) Position AC and DC cords so as to reduce the risk of damage by the vehicle itself or moving engine parts.
    b) Stay clear of fan blades, belts, chains, sprockets, pulleys, and other vehicle parts that can cause injury to persons or damage to the charger and its cords/cables.
    c) Check the polarity of battery posts. On automotive batteries POSITIVE (POS, P, +) battery post usually has a larger diameter than the NEGATIVE (NEG, N,) post.
    d) Determine which post of the battery is grounded (connected) to the chassis. If the negative post is grounded to the chassis (as in most modern vehicles), see (e). If the positive post is grounded to the chassis, see (f).
    e) For a negative-grounded vehicle, connect the POSITIVE (RED) clip from the battery charger to the POSITIVE (POS, P, +) ungrounded post of the battery. Connect NEGATIVE (BLACK) clip to vehicle chassis or engine block away from the battery. Do not connect the clip to the carburetor, fuel lines, or sheet-metal body parts. Connect to a heavy gauge metal part of the frame or engine block.
    f) For a positive-grounded vehicle, connect the NEGATIVE (BLACK) clip from the battery charger to the NEGATIVE (NEG. N, -) ungrounded post of the battery. Connect POSITIVE (RED) clip to vehicle chassis or engine block away from the battery. Do not connect the clip to the carburetor, fuel lines, or sheet-metal body parts. Connect to a heavy gauge metal part of the frame or engine block.
    g) When disconnecting the charger, turn the switches to off, disconnect the AC cord, remove the clip from the vehicle chassis, and then remove the clip from the battery terminal.
    h) See operating instructions for length of charge information.

  9. FOLLOW THESE STEPS WHEN THE BATTERY IS OUTSIDE OF THE VEHICLE OR HAS BEEN REMOVED FROM THE VEHICLE. SHORT-CIRCUITING THE BATTERY MAY CAUSE AN EXPLOSION. TO REDUCE RISK:
    a) Check the polarity of battery posts. The POSITIVE (POS, P, + ) and NEGATIVE (NEG, N, – ) battery posts will be clearly marked.
    b) Connect the POSITIVE (RED) charger clip to the POSITIVE (POS, P, +) post of the battery.
    c) Then connect the NEGATIVE (BLACK) charger clip to the NEGATIVE (NEG, N, -) post of the battery.
    d) When disconnecting the charger, always do so in the reverse sequence of connecting procedure & break the first connection while as far away from the battery as practical.

  10. SAFE USE BY MINORS OR PERSONS WITH REDUCED CAPABILITIES:
    a) This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge only if they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
    b) Choking Hazard. Accessories may present a choking hazard to children. Do not leave children unattended with products or any accessories. The product is not a toy.

  11. RADIO FREQUENCY INTERFERENCE: The OptiMate Lithium complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
    NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.

  12. PROPOSITION 65, STATE OF CALIFORNIA: Battery posts/terminals, and related accessories may contain chemicals, including lead or sulphuric acid. These materials are known to the State of California to cause cancer and birth defects and other reproductive harm.

USING THE OPTIMATE LITHIUM:

CONNECTION ACCESSORIES
Two interchangeable connection sets are supplied with the battery charger: 1) A battery lead with metal eyelet lugs for permanent fitment to the battery posts, and a re-sealable weatherproof cap on the connector that connects to the charger output cable. Consult a professional service agent for assistance in attaching the metal eyelets to the battery posts. Secure the connector with a weatherproof cap so that it cannot foul any moving part of the vehicle or the cable can be pinched or damaged by sharp edges. IMPORTANT : This battery lead is protected by a 15A fuse. If under any circumstance the fuse blows, do not try and replace the fuse without first identifying and correcting the issue that caused the fuse to blow. Only replace the fuse with a 15A-rated ATO fuse. 2) A set of battery clips for charging the battery on or off the vehicle.
Read IMPORTANT SAFETY INSTRUCTIONS points 8 or 9 before connecting to the battery.
OPTIONAL BATTERY CONNECTION: On some vehicles, it is possible to charge the battery through the fitted auxiliary 12V DIN/ISO 4165 power socket. The battery can only be charged and maintained if the 12V socket remains powered up after the ignition has been turned off and the vehicle has been parked. Find a suitable accessory at www.optimate1.com.
CHARGING TIME Charge time on a flat but otherwise undamaged battery: For batteries rated from 2.5Ah to 5Ah: 180 to 360 minutes to progress to the voltage retention test. For batteries rated above 5Ah: 125% of the battery’s Ah rating, so a 10Ah battery should take no more than about 12.5 hours to progress to the voltage retention test. Deep-discharged batteries may take significantly longer. A full charge may not be achieved within the 24-hour charge safety limit. In this case, follow the reset procedure below.
PROCEEDING TO CHARGE
The LED indicators below are sequenced as they may come on through the course of the program.

NOTE: Charge stations/banks on OptiMate Lithium 4s0.8A x4 operate independently.
LED #1: POWER ON – Confirms AC power supply to the charger.
HIGH and LOW-intensity indication: —LOW: No battery connected. HIGH: a battery is connected and the current is being delivered.
LED #2: REVERSE POLARITY PROTECTION – Lights when the battery connections are incorrect. The charger is electronically protected so no damage will result, and the output will remain disabled until the connections are corrected.
BMS RESET PROCEDURE: For a multi-bank / station TM-484 / TM-485, BMS pulses are automatically & continuously delivered if no battery voltage is sensed. After connection to the battery, the BMS has successfully reset when either LED #3 OR LED #4 lights by itself. For a single bank/station TM-47x, TM-497 charger, follow this procedure:

  1. Disconnect OptiMate Lithium from the main supply. Wait for LED #1 to go out.
  2. Connect OptiMate Lithium to the battery: RED clamp to POSITIVE (POS, P or +) terminal and BLACK clamp to NEGATIVE (NEG, N or —) terminal.
  3. Reconnect the OptiMate Lithium to the main supply. A special BMS reset pulse is delivered for a period of one minute. LED #3 flashes as each reset pulse is delivered. The BMS has successfully reset when either LED #3 OR LED #4 lights by itself.

BMS not resetting:

  1. An advanced battery management system that includes thermal protection, prevents operation if the battery temperature falls outside of the manufacturer’s recommended safe operating temperature range. Check the battery manufacturer’s specifications.
  2. The battery is connected in reverse polarity. Correct the connections and try again.
  3. The vehicle or equipment circuit connected to the battery is preventing the pulse from being delivered. Disconnect or turn off the circuit and try again.
  4. The battery’s BMS may have suffered damage. Has the battery been professionally assessed?

LED #3 SAVE: This mode engages if the battery was more than 90% discharged / voltage is below 12.8V. During the SAVE mode, the program limits charge current and tests for cell damage. Charge current is automatically adjusted as charging progress. A healthy LiFePO4 battery will progress to CHARGE mode within 4 hours.
ERROR: TEST LED #6 flashing – Charging has been suspended as OptiMate has detected the battery may have suffered permanent damage and a professional assessment is required.
CAUTION: A deep discharged LiFePO4 battery may have developed permanent damage in one or more cells. Higher capacity batteries with multiple cells in parallel (4s2p or more configuration) may have a good cell paired with a bad cell, if so, it will take longer to detect the bad cell. Such a battery may heat up excessively during charging, confirming there is a problem within the battery. ALWAYS monitor the battery temperature during the first hour, then hourly thereafter. If at any time the battery is uncomfortably hot to touch or you notice any unusual signs, DISCONNECT THE CHARGER IMMEDIATELY.
CHARGE LED #4 – CHARGE, PULSE ABSORPTION & CHARGE VERIFICATION steps: A constant current of 0.8 Amps is delivered into the battery, up to a voltage of 14.3V. The battery charge level is verified. If the battery requires further charging-variable current pulses are delivered to the battery, bringing each cell to equal and full charge. NOTE: For safety reasons, there is an overall charge time limit of 48 hours.
LED #5: BATTERY READY / 24-7 Maintenance: The battery can be used. If left connected (recommended), battery health is confirmed, followed by the OptiMate 24-7 maintenance that maintains the battery at full charge. 5.1 Health test starts immediately after LED #5 lights. Delivery of current to the battery is interrupted for up to 12 hours to allow the battery to settle and confirm that the vehicle circuitry is not depleting the battery. See page 2 for LEDs 5 & 6 corresponding to charge level/battery health. LED #6 lights if the battery is being depleted or health is not optimal. If charge delivery was less than 12h up to when LED #5 turned on, the health test extends until 24h has elapsed, followed by 24-7 maintenance. 5.2 OptiMate 24-7 maintenance: During every hour that the battery remains connected OptiMate’s 24-7 maintenance program delivers up to 30 minutes of float charge maintenance at a voltage of 13.6V, followed and alternating with 30-minute REST (no charging) periods. The charge level is continuously monitored. OptiMate Lithium will counter discharge by connected circuitry or battery self-discharge. TIP: At least once every two weeks, check battery status.
IMPORTANT: When handling batteries or in their vicinity, always take care to observe the SAFETY WARNINGS above.
6. LED #6 flashing/blinking – BATTERY is not holding charge/charging suspended. The battery’s voltage is not being sustained above 12V or could not be sufficiently recovered. In the case of a battery still connected to the electrical system it supports, the red LED #6 may be signaling a loss of current through connected wiring or ‘always on’ current-consuming accessories. A sudden load such as vehicle headlights being switched on or the engine starting while the charger is connected can also cause the battery voltage to dip significantly. To rectify: disconnect OptiMate Lithium, allow program to reset, and then reconnect
ECO POWER SAVING MODE WHEN THE CHARGER IS CONNECTED TO AC SUPPLY: The power converter switches to EGO mode when the charger is not connected to a battery resulting in a very low power draw of less than 0.5W (per charging bank), equivalent to the power consumption of 0.012 kWh per day. When a battery is connected to the charger power consumption depends on the current demand of the battery and its connected vehicle / electronic circuitry. After the battery has been charged and the charger is in long-term maintenance charge mode (to keep the battery at 100% charge) the total power consumption is estimated to be 0.024 kWh or less per day.

LIMITED WARRANTY

TecMate (International) SA, B-3300 Tienen, Belgium, makes this limited warranty to the original purchaser at the retail of this product. This limited warranty is not transferable. TecMate (International) warrants this battery charger for three years from the date of purchase at retail against defective material or workmanship. If such should occur the unit will be repaired or replaced at the option of the manufacturer. It is the obligation of the purchaser to forward the unit together with proof of purchase (see NOTE), transportation or mailing costs prepaid, to the manufacturer or its authorized representative. This limited warranty is void if the product is misused, subjected to careless handling, or repaired by anyone other than the factory or its authorized representative. The manufacturer makes no warranty other than this limited warranty and expressly excludes any implied warranty including any warranty for consequential damages. THIS IS THE ONLY EXPRESS LIMITED WARRANTY AND THE MANUFACTURER NEITHER ASSUMES NOR AUTHORIZES ANYONE TO ASSUME OR MAKE ANY OTHER OBLIGATION TOWARDS THE PRODUCT OTHER THAN THIS EXPRESS LIMITED WARRANTY. YOUR STATUTORY RIGHTS ARE NOT AFFECTED.
NOTE: Details at www.tecmate.com/warranty.
WARRANTY in Canada, USA, Central America & South America:
TecMate North America, Oakville, ON, Canada, as a wholly owned subsidiary of TecMate International, assumes the responsibility for product warranty in these regions.
More information on TecMate products can be found at www.tecmate.com.
Optimate 1.com

Documents / Resources

| OptiMATE TM Series Lithium Charger 0.8A [pdf] Instruction Manual
TM Series Lithium Charger 0.8A, TM484, TM485, 486, TM488, Lithium Charger 0.8A
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