Total Micro Technologies
Total Micro Technologies 451-BCYG-TM 6-cell 93 WHr 11.55V laptop battery
6-cell 93 WHr 11.55V replacement battery for Dell Precision 7670, 7680, 7770 and 7780
- TypeBattery
- CompatibilityDell Precision 7670, 7680, 7770, 7780
- 93 WHr capacity powers Dell Precision 7670, 7680, 7770, 7780 through long work sessions
- 6-cell lithium-ion design delivers 11.55 V output for stable system performance
- Direct replacement for Dell part 451-BCYG-TM installs without adapters or modifications
- New battery arrives at full health with zero prior charge cycles
- Total Micro Technologies engineering matches original voltage and capacity specifications
Direct replacement for Dell Precision workstations
The Total Micro Technologies 451-BCYG-TM is a new 6-cell lithium-ion battery rated at 93 WHr and 11.55V. It is built to fit Dell Precision 7670, 7680, 7770 and 7780 mobile workstations without modification. Professionals who need a factory-matched power source for these specific models will find the correct form factor and connector alignment. Buyers with other Dell series or non-Dell laptops cannot use this unit.
Thermals and power delivery in daily use
The 93 WHr capacity supports typical office and field workloads through a full business day on a single charge. Operating at 11.55V, the pack delivers stable voltage to the platform without excess heat during normal productivity tasks. The six-cell layout distributes current evenly, keeping internal temperatures low while the system runs quiet, fanless workloads. No additional cooling or power management changes are required.
Behaviour under sustained heavy load
Under continuous high-performance demands such as rendering or simulation, the 93 WHr reserve depletes at a rate proportional to the workstation's power draw. Voltage remains steady at 11.55V until the pack approaches its low-threshold cut-off, preventing sudden shutdowns during critical tasks. The six-cell construction maintains consistent output without voltage sag seen in lower-capacity packs. Users needing multi-day runtime away from AC power will require a second battery or external charger.
Highlights
- 93 WHr capacity powers Dell Precision 7670, 7680, 7770, 7780 through long work sessions
- 6-cell lithium-ion design delivers 11.55 V output for stable system performance
- Direct replacement for Dell part 451-BCYG-TM installs without adapters or modifications
- New battery arrives at full health with zero prior charge cycles
- Total Micro Technologies engineering matches original voltage and capacity specifications
Specifications
| Brand | Total Micro |
|---|---|
| Model | 451-BCYG-TM |
| Part Number | 451-BCYG-TM |
| Type | Battery |
| Compatibility | Dell Precision 7670, 7680, 7770, 7780 |
| Shipping weight | 0.57 kg |
| Package size | 356 × 152 × 51 mm |
Questions about this item
How do I install the 6-cell 93 WHr battery in a Dell Precision 7670, and which step is often missed?
Power off the laptop, disconnect the AC adapter, remove the bottom case screws, detach the old battery connector before lifting the pack, then reconnect the new battery cable firmly before reassembling — the connector often seats loosely if not pressed evenly.
What maintenance will the 451-BCYG-TM battery need over its life?
No scheduled maintenance is required; capacity will gradually decline with charge cycles, so plan to replace the pack once run-time drops below your workflow needs.
What limit appears first during sustained heavy loads on this 11.55 V pack?
Voltage sag under high current draw triggers thermal throttling before the 93 WHr capacity is fully depleted, reducing clock speeds to protect the cells.
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