Ritar FT12-100S · Telecom battery 12V 100Ah AGM
Specifications
| Brand | RITAR |
|---|---|
| Part number | FT12-100S |
| Voltage (V) | 12 |
| Capacity (C20) | 100 |
| Capacity (C10) | 100Ah (c10) |
| Technology | AGM |
| Length | 410.00 mm |
| Width | 109.00 mm |
| Height | 286.00 mm |
€354.70
VAT included
4,69/5★★★★★11 reviewsVerified purchases
- ★★★★★Jorge Moya:
Recomiendo la web por su trato al momento de elegir
- ★★★★Alvaro Bravo:
Recomiendo esta web, excelente servicio
- ★★★★★Antonio Garrido:
Resolvieron todas mis dudas
Ritar FT12-100S 12V 100Ah is a network backup battery: long float life and stable output during mains outages.
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
12 V
Capacity
100 Ah
Dimensions
410×109×286 mm
Technology
AGM
Weight
31 kg
Model
RITAR FT
Stationary battery Ritar FT12-100S FT 100Ah 12V
12VVoltage
100AhCapacity
31kgWeight
Designed for UPS, alarms, telecoms and emergency lighting, the Ritar FT12-100S from the FT range offers 100 Ah with AGM technology on permanent float charge. It replaces the original battery without adaptation in UPS, alarm and emergency systems with a 410 × 109 × 286 mm format: same 100 Ah capacity.
- Sealed and gas-free: suitable for cabinets and offices.
- Maintenance-free for its whole service life.
- AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
- Long float life under permanent charge.
What the Ritar FT12-100S is for
The Ritar FT12-100S 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 31 kg and M8 terminals.
Will it fit your current battery tray?
In terms of format, the Ritar FT12-100S measures 410 × 109 × 286 mm (length × width × height) and weighs 31 kg. It uses M8 terminals, the system that anchors and connects it in the vehicle. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.
The Ritar FT12-100S: FT range and AGM technology
Within the Ritar catalogue, the FT series groups the references designed for this use. The FT12-100S is the 100 Ah model of that family, with the same performance as its siblings in other sizes.
In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery.
Why choose Ritar batteries
With more than twenty years making sealed lead batteries, Ritar offers general-purpose, long-life, high-rate and front-terminal ranges for every stationary application. All the Ritar batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
Warranty and coverage
The Ritar FT12-100S 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
Replace all the batteries in the set at once and avoid environments continuously above 25 °C. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.
Shipping, delivery and returns
Same-day dispatch from our warehouse for in-stock orders placed before 6:00 pm: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for 14 days if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email.
BCOM-RITAR-FT12-100S
Data sheet
- Brand
- RITAR
- Reference
- FT12-100S
- Model
- RITAR FT
- Voltage (V)
- 12
- Length
- 410.00 mm
- Width
- 109.00 mm
- Height
- 286.00 mm
- Weight
- 31 Kgs
- Technology
- AGM
- Terminal type
- M8
- Capacity (C20)
- 100
- Capacity (C10)
- 100Ah (c10)
Specific References
- MPN
- FT12-100S
4,69/5
Verified purchasesLatest verified reviews
★★★★★Jorge Moya
03/02/2026De los mejores servicios que me han tocado
Recomiendo la web por su trato al momento de elegir
★★★★★Alvaro Bravo
16/01/2026Todo correcto
Recomiendo esta web, excelente servicio
★★★★★Antonio Garrido
23/12/2025Muy agradecido
Resolvieron todas mis dudas
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 FT12-100S model AGM? What does this technology offer?
Yes. The FT12-100S from Ritar 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 do I change this battery step by step?
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 FT12-100S model?
Expected lifespan of the Ritar FT12-100S 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 dimensions of the Ritar FT12-100S battery?
Dimensions (length × width × height) are 410×109×286 mm — also written as 410x109x286 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 Ritar FT12-100S?
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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