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🔋 Power your precision — never miss a beat with Rome Tech’s ML1220!
The Rome Tech ML1220 CMOS BIOS battery is a rechargeable 3V lithium coin cell designed specifically for Dell Precision 5510-5540 and Latitude 5290 2-in-1 laptops. Featuring a compact size, 225mAh capacity, and a convenient 2-wire connector, it offers easy installation and reliable RTC backup power with heat-shrink durability for extended lifespan.
| ASIN | B0BSGSWHM2 |
| Antenna Location | Laptop |
| Battery Capacity | 225 milliamp_hours |
| Battery Cell Composition | Other Than Listed |
| Battery Cell Type | Other Than Listed |
| Battery Weight | 3 g |
| Best Sellers Rank | #8,705 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #379 in Laptop Batteries |
| Brand | Rome Tech |
| Compatible Phone Models | Dell Precision 5510 / Dell Precision 5520 / Dell Precision 5530 / Dell Precision 5540 ? / Dell Latitude 5290 2-in-1 |
| Customer Reviews | 2.9 out of 5 stars 5 Reviews |
| Included Components | battery |
| Manufacturer | Rome Tech |
| Model Name | ml1220 |
| Model Number | 22SLIMPNML1220S |
| Number of Batteries | 1 C batteries required. (included) |
| Recommended Uses For Product | Laptop |
| Reusability | Single Use |
| UPC | 712302251898 |
| Unit Count | 1 Count |
| Voltage | 3 volts |
| Warranty Description | 30 Days |
L**R
Deceiving. Not 3 Volts battery.
This battery is advertised as a 3 Volts but it only has 2.61 Volts upon arrival. Deceiving. The original battery that I am replacing has 2.6 volts but the laptop has good 5 years or more of use, doesn’t make sense to replace with this supposedly “new” battery and doesn’t make sense why the sellers advertise something as 3 Volts if it only has 2.61 volts. Very disappointing. I don’t recommend.
S**N
Low voltage
I measured voltage is 2.6 Volts not 3 volts . I returned.
W**L
Ordered New, Recieved used instead.
Ordered New, Recieved used instead.
Trustpilot
2 months ago
4 days ago