Braille TM-661 12.8V Optimate Lithium Battery Charger/Maintainer

#194TM661

Braille TM-661 12.8V Optimate Lithium Battery Charger/Maintainer

Revive low voltage battery safely from 1+ V
Rebalance Cells for optimal performance
Tests the battery State of Health (SOH)

$189.99

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Revive low voltage battery safely from 1+ V
Rebalance Cells for optimal performance
Tests the battery State of Health (SOH)
Includes “Maintenance Charger Capability” where the battery voltage is tested every 30 minutes and only charged if needed
They are safe to leave on for prolonged periods

Key Specs

MFG. Part #	TM-661
Brand	Braille Battery

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Braille Battery TM-661 Details

The Braille Optimate TM-661 is a powerful sealed lithium battery charger and maintainer designed for 12V and 13.2V LiFePO4 / LFP batteries. With 9.5A (12V) / 7.5A (16V) output, it features a rapid power reset function and stable voltage support for ECU programming and troubleshooting. Its fully automatic multi-step charging safely brings batteries to full charge while maximizing lifespan. Weatherproof leads and battery clips are included.

Safely revives deeply discharged batteries from as low as 1+ volts
Rebalances cells for peak performance and longer battery life
Tests battery State of Health (SOH) for accurate diagnostics
Smart maintenance mode checks voltage every 30 minutes and charges only when needed
Safe for long-term connection with no risk of overcharging

Perfect for maintaining Braille GreenLite lithium batteries and all compatible LiFePO4 applications in cars, motorcycles, and race vehicles.

Specs

Ideal For Lithium (LiFePO4) 12V (4s), 3-120Ah / 16V (5s) 3-90Ah

Charge Modes 12V / 16V. Selection made when battery disconnected. Selection remains in memory

Protection 16V > 1) Requires manual override (press button for 5s) IF 16V selected and battery voltage below 15V. 2) 12V selected, 16V battery connected > won’t charge

Charge Amps (Max) 9.5A @ 12V / 7.5A @ 16V

Charge Volt Range 0.5V to 14.4V in 12V mode / 0.5V to 18V in 16V mode

Operation Fully Automatic

Tune Mode Selectable during charge mode, if battery SOC = 50%

Tune Power 8.5A @ 13.6V in 12V mode / 7A @ 17V in 16V mode

Use Indoor use only / IP50 rating

Charge Temperature Range -4°F/-20°C to 122°F/50°C. No charge delivered if below or above

Range Input Global / 100-240V 50-60Hz

Style Case with wall-mounts / wall receiver, IEC-320 C7/8 AC receptacle and removable power cord, AC ON/OFF switch, Pushbutton mode selection, LED display, 6ft / 180cm charge lead ending in SAE connector

Safety No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected

What’s In The Box • Automatic battery charger (TM661)

• Wall storage receiver

• AC cord, with IEC320-C7/8 connector & Type-A plug (TA-31)

• Battery clip set (O-04)

• Battery Harness, fused (O-11)

Warranty Information

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One Year Free Replacement*: B106, B106C, B129 and B14115, B14115C

First Year Free Replacement, Second Year Pro-Rated*: B2015, B2015C, B2317, B2618, B3121 and B3121C

*Warranty Terms & Conditions

• The product must have been registered within the first 60 days of ownership or have an original purchase receipt in order to be eligible for a warranty. If neither of these things are true Braille, LLC reserves the right to deny any warranty claim. Warranty Registration - Click Here

• All shipping of return items and replacement items are the customer’s responsibility.

• Braille, LLC’s warranties are non-transferable. Warranties are meant for the original customer only. If the item is resold from the original purchaser to any other buyer (i.e. ebay, forums, in a vehicle, etc.) no warranty is available.

• Shipping your battery back to Braille, LLC without the proper paperwork may lead to the loss of your item and/or the denial of your warranty claim.

• Any batteries damaged when delivered back to Braille, LLC will not be replaced under the free replacement warranty program. It is the customer’s responsibility to package the item so that it will not be damaged during the shipping process. At that time Braille, LLC reserves the right to charge up to full MSRP for the item warranted.

• All carbon fiber batteries must be returned prior to Braille, LLC shipping out a replacement item.

• All warranty batteries must be returned to and received by Braille, LLC within the warranty period (i.e. B14115 before the 1 year warranty has expired; B3121 before the 2 year warranty has expired).

• Each item is only eligible for one free replacement. After that a pro rated price may be decided upon on a customer to customer basis depending on the situation. At times only a repeat customer discount may be offered.

• Once a customer’s product has been warranted the replacement item only holds the warranty until the expiration of the original item. The warranty does not start over on the replacement item.

• Braille, LLC reserves the right to deny any warranty claim.

CA Prop 65

Braille Battery TM-661 Specifications

KEY SPECS
MFG. Part #	TM-661
Brand	Braille Battery

GENERAL
Sold in Quantity	Each
GTIN Code	05425006147217

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