TM-661 Braille 12V 9.5A/16V 7.5A Lithium Battery Charger and Maintainer
Specifications Part numbers, fitment codes and shipping
- Brand
- Braille Battery
- Speedzone SKU
- TM661
- Manufacturer part number
- TM661
- Category
- Battery Charger
- Shipping weight
- 6.0 lb
The Braille Optimate TM661 12V 9.5A/16V 7.5A sealed lithium battery saving charger and maintainer is ideal for 12V/13.2V LiFePO4 / LFP batteries. It features a power reset that rapidly re-energizes the battery and provides stable battery support during ECU programming/troubleshooting. The fully automatic multi-step program brings the battery safely to full charge. Weatherproof battery lead & battery clip set included.
WARRANTY: 3-year limited replacement warranty
BENEFITS:
• 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 the battery is only charged if needed
• They are safe to leave on for prolonged periods
• Eliminates the risk of overcharging while prolonging life of battery

For 12V and 16V Lithium-Ion Batteries

SPECIFICATIONS
| 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) |
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
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Call 407-846-8430
Text 407-749-6314
Answers to common questions are on our FAQ page.
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