Long MSK440 · Telecom battery 2V 440Ah AGM
Telecom battery Long MSK440 2V 440Ah AGM images
Specifications
| Brand | LONG |
|---|---|
| Part number | MSK440 |
| Voltage (V) | 2 |
| Capacity (C20) | 440Ah (c20) |
| Capacity (C5) | 374Ah (c5) |
| Technology | AGM |
| Length | 197.00 cm |
| Width | 170.00 cm |
| Height | 342.50 cm |
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Long MSK440 2V 440Ah is a front-terminal telecom battery: designed for cabinets and racks where servicing is done from the front.
Why this telecom battery?
- Instant responsewhen the mains drop, no voltage dip
- Long life under 24/7 chargeoptimised for permanent service
- Compatible with your systemexisting UPS units and alarm control panels
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Stationary battery Long MSK440 MSK Series 440Ah 2V
The Long MSK440 with AGM technology is a 440 Ah, 2 V backup battery for UPS, alarms, telecoms and emergency lighting. It measures 197 × 170 × 342 mm, the format sought by anyone replacing a 440 Ah battery in UPS, alarm and emergency systems.
- Maintenance-free for its whole service life.
- Sealed and gas-free: suitable for cabinets and offices.
- Long float life under permanent charge.
- AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
Size, terminals and hold-down of the Long MSK440
It has external dimensions of 197 × 170 × 342 mm and weighs 29.70 kg. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.
What the Long MSK440 is for
Designed for UPS, alarms, telecoms and emergency lighting, the Long MSK440 is sealed, gas-free and suitable for technical cabinets and offices. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 29.70 kg.
The Long MSK440: MSK Series range and AGM technology
Within the Long catalogue, the MSK Series series groups the references designed for this use. The MSK440 is the 440 Ah model of that family, with the same performance as its siblings in other sizes.
AGM means the acid is held in a glass mat instead of floating free. That is why the battery can be installed in the cabin without gases, survives more cycles and recovers its charge quickly.
Why choose Long batteries
Long batteries combine large-scale production with ISO quality standards and a batch-to-batch consistency that has made them the de-facto standard in backup systems and electric mobility. All the Long batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
Official warranty
The Long MSK440 comes with the manufacturer's official warranty against manufacturing defects. If it fails through a defect within the warranty period, we replace it at no cost to you.
Care and maintenance
Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators. Check the float voltage of the UPS or charger: a voltage that is too high shortens the life of a sealed battery.
Shipping, delivery and returns
Orders placed before 6:00 pm with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic Islands and the rest of the European Union allow 3 to 5 working days. You have 14 days to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships.
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ReferenceBCOM-LONG-MSK440
Data sheet
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BrandLONG
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ReferenceMSK440
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ModelMSK Series
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Voltage (V)2
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Length197.00 cm
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Width170.00 cm
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Height342.50 cm
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Weight29.70 Kgs
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TechnologyAGM
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Capacity (C20)440Ah (c20)
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Capacity (C5)374Ah (c5)
Specific References
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MPNMSK440
Recommended accessories
Frequently asked questions
Is the Long MSK440 an AGM battery and what are the benefits of AGM?
Yes. The MSK440 from Long uses AGM (Absorbent Glass Mat) technology: a sealed lead-acid battery where the electrolyte is absorbed in a glass-fibre mat. It withstands more charge/discharge cycles than a conventional one, handles heat better and is the required technology for devices with advanced Start-Stop and regenerative braking. Expected lifespan: 5-8 years under normal conditions.
How is the Long MSK440 battery installed in the vehicle?
In most devices it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on our blog. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On devices with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.
How long does the Long MSK440 battery last?
Expected lifespan of the Long MSK440 is 5 to 8 years in mild-climate device use with Start-Stop. In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.
What size is this battery?
Dimensions (length × width × height) are 197×170×343 mm — also written as 197x170x343 mm — following the European DIN standard. Always measure the space in your device before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.
Which batteries are equivalent to the Long MSK440?
Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop devices. See the "Equivalents" section to view recommended options at the same performance level.
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