Long MSK100A · Telecom battery 2V 100Ah AGM
Specifications
| Brand | LONG |
|---|---|
| Part number | MSK100A |
| Voltage (V) | 2 |
| Capacity (C20) | 100Ah (c20) |
| Capacity (C5) | 85Ah (c5) |
| Technology | AGM |
| Length | 170.00 cm |
| Width | 72.00 cm |
| Height | 208.00 cm |
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Long MSK100A 2V 100Ah 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
Voltage
2 V
Capacity
100 Ah
Dimensions
170×72×208 mm
Technology
AGM
Weight
7,5 kg
Model
MSK Series
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Stationary battery Long MSK100A MSK Series 100Ah 2V
2VVoltage
100AhCapacity
7.50kgWeight
The Long MSK100A with AGM technology is a 100 Ah, 2 V backup battery for UPS, alarms, telecoms and emergency lighting. Measuring 170 × 72 × 208 mm, it is the direct replacement for UPS, alarm and emergency systems fitted from the factory with a 100 Ah battery of this format.
- AGM: faster recharging and better cycle resistance than a conventional battery.
- Instant response to mains failures.
- Low self-discharge and high reliability.
- Standard format for UPS and emergency systems.
Dimensions, polarity and mounting
In terms of format, the Long MSK100A measures 170 × 72 × 208 mm (length × width × height) and weighs 7.50 kg. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.
What the Long MSK100A is for
The Long MSK100A is designed for UPS, alarms, telecoms and emergency lighting: it sits on float charge and responds instantly to a mains failure. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 7.50 kg.
The Long MSK100A: MSK Series range and AGM technology
Within the Long catalogue, the MSK Series series groups the references designed for this use. The MSK100A is the 100 Ah model of that family, with the same performance as its siblings in other sizes.
AGM (Absorbent Glass Mat) technology seals the electrolyte in glass microfibre. The result is a maintenance-free battery that is highly vibration-resistant and able to withstand deep discharges that would ruin a classic lead-acid battery.
What Long does differently
Long (Kung Long Batteries) is one of the world's largest manufacturers of sealed VRLA batteries. Its AGM and GEL series for UPS, mobility, alarms and cycling are found in equipment worldwide as original equipment. All the Long batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
Manufacturer's warranty
The Long MSK100A 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.
How to make it last longer
Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators. Replace all the batteries in the set at once and avoid environments continuously above 25 °C.
When you get it and how to return it
Order before 6:00 pm with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have 14 days to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.
BCOM-LONG-MSK100A
Data sheet
- Brand
- LONG
- Reference
- MSK100A
- Model
- MSK Series
- Voltage (V)
- 2
- Length
- 170.00 cm
- Width
- 72.00 cm
- Height
- 208.00 cm
- Weight
- 7.50 Kgs
- Technology
- AGM
- Capacity (C20)
- 100Ah (c20)
- Capacity (C5)
- 85Ah (c5)
Specific References
- MPN
- MSK100A
Recommended accessories
How to change the battery
Guide to replace a cyclic battery (12V 4-30Ah) for UPS, mobility scooter, alarm or backup device. Estimated time 10-15 minutes. Important: discharge residual voltage before handling.
Step 1. Power off and unplug the device
Unplug the device (UPS, scooter, alarm) and leave it off for at least 30 seconds to discharge residual capacitor voltage. Work on an insulating surface.
Step 2. Locate the battery compartment
Usually under the seat (mobility scooter/wheelchair), in the rear module of the UPS, or behind a side panel with screws. Check the device manual for unusual models.
Step 3. Disconnect the negative (−) first
With insulated gloves, remove the negative (−) cable first. Some UPS have protection fuses — note their position before removing.
Step 4. Disconnect the positive (+) terminal
Repeat with the positive cable (red, marked +). Important: never let a terminal touch metal of the car while the other is still connected.
Step 5. Remove the old battery
Typical weight 1-15 kg depending on capacity. Many cyclic batteries are AGM/GEL — keep them upright. Do NOT invert the battery: even sealed, residue may exist.
Step 6. Fit the new battery
Same orientation and type (AGM, GEL or flooded). Polarity must match the device, not a chassis (this is not a car). Make sure terminals do not touch metal parts of the compartment.
Step 7. Connect the positive (+) first
On cyclic devices the order is reversed compared to cars: positive (+) first, negative (−) afterwards. Tighten without forcing — the plastic terminal housing of cyclic batteries damages easily.
Step 8. Initial charge before first use
Cyclic batteries ship at 60-80%. Before first use, connect the device charger for 8-12 hours (or use an AGM/GEL smart charger if available). This avoids short cycles and extends lifespan.
Frequently asked questions
Is the MSK100A model AGM? What does this technology offer?
Yes. The MSK100A 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 MSK100A 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 this page. 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.
What is the service life of the MSK100A model?
Expected lifespan of the Long MSK100A 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 are the measurements of the MSK100A model?
Dimensions (length × width × height) are 170×72×208 mm — also written as 170x72x208 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.
What are the equivalents of the MSK100A model?
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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