Ritar RT628 · UPS battery 6V 2.8Ah
Reference: BOL-RITAR-RT628
The Ritar RT628 is an UPS battery with 6 V and 2.8 Ah, measuring 66 × 33 × 104 mm.
- Voltage
- 6V
- Capacity
- 2.8Ah
- Technology
- AGM
- Dimensions (L × W × H)
- 66 × 33 × 104 mm
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If it does not fit, you have 14 days from delivery to return it unused.
Where the Ritar RT628 fits
The Ritar RT628 is a VRLA AGM battery for UPS and uninterruptible power systems: it stays charged for years waiting for an outage and delivers the energy instantly when it comes. Before ordering the RT628, check the terminal type and terminal orientation in your UPS.
The RT628 belongs to the Ritar RITAR RT range. More Ritar batteries
AGM technology in the RT628
The RT628 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.
Ritar RT628 vs RT632
How the RT628 compares with Ritar batteries of similar size and capacity:
| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Ritar RT628 (this one) | 2.8 Ah | 66 × 33 × 104 | 0.53 kg |
| Ritar RT632 | 3.2 Ah | 134 × 35 × 67 | 0.6 kg |
- Ritar RT632: 0.40 Ah more, a different case (134 × 35 × 67 mm).
Equivalents and alternatives to the Ritar RT628
Other AGM batteries that fit the RT628's tray with the same polarity: an AGM can only be replaced by another AGM.
| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Fulbat FP6-2.8 | AGM | 2.8 Ah | 66 × 33 × 103 |
Part numbers and codes for the Ritar RT628
The RT628 is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | RT628 |
|---|---|
| Terminal type | F1 |
Before ordering the RT628, check this
- Your current battery should say about 2.8 Ah; a little more is also fine.
- The RT628 needs 66 × 33 × 104 mm of space: measure it with the hold-down clamp in place.
Frequently asked questions about the Ritar RT628
RT628 or RT632: which one suits me?
Compared with the RT628, the Ritar RT632 has 0.40 Ah more. With 3.2 Ah, the RT632 runs longer between charges than the RT628 (2.8 Ah). Mind the space: the RT632 measures 134 × 35 × 67 mm.
How much does the Ritar RT628 weigh?
0.53 kg, with 2.8 Ah of capacity. For reference, the Ritar RT632 (3.2 Ah) weighs 0.6 kg.
Which battery is equivalent to the Ritar RT628?
Only other AGM batteries with its dimensions and polarity: Fulbat FP6-2.8. Neither an EFB nor a conventional battery replaces the RT628.
How often are UPS batteries replaced?
Every 3 to 5 years, or sooner if the unit warns of low battery or the runtime has dropped. Heat in the cabinet shortens their life a lot.
More batteries to compare with the RT628
- Other uPS batteries
- More Ritar models
- Fulbat FP6-2.8 · 2.8 Ah, 66×33×103 mm
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