Fullriver HC20 · Wheelchair battery 12V 20Ah 230A AGM
Specifications
| Brand | FULLRIVER |
|---|---|
| Part number | HC20 |
| Voltage (V) | 12 |
| Capacity (C20) | 20Ah (c20) |
| Technology | AGM |
| Length | 181.00 mm |
| Width | 77.00 mm |
| Height | 167.00 mm |
| Weight | 32.30 Kgs |
€176.10
VAT included
4,76/5★★★★★35 reviewsVerified purchases
- ★★★★★Jordi Marquez:
Recomiendo esta web, hasta te ayudan a instalar la batería. Gracias!
- ★★★★★Manuel Torres:
Hice el pedido de la batería un martes a las 7 y me llegó el miércoles a las 3
- ★★★★Rodrigo Mora:
Si tienes dudas con la instalación puedes llamar y te asesoran.
Fullriver HC20 12V 20Ah 230A is a deep-cycle battery for wheelchairs and mobility scooters, optimised to be discharged and recharged daily down to 80 % DOD without losing range.
Why this wheelchair battery?
- Daily cycling without wearhandles deep discharges without losing capacity
- Sealed AGM/GELno maintenance, no risk of spills
- Thousands of useful cyclesover its full lifetime
Voltage
12 V
Capacity
20 Ah
Cold cranking
230 A
Dimensions
181×77×167 mm
Technology
AGM
Weight
32,3 kg
Model
FULLRIVER HC
Mobility battery Fullriver HC20 HC 20Ah 230A 12V
12VVoltage
20AhCapacity
230ACold cranking
32.30kgWeight
The 12 V, 20 Ah Fullriver HC20 from the HC range with AGM technology is the standard replacement for power wheelchairs, mobility scooters and light electric vehicles. Its 181 × 77 × 167 mm make it the exact replacement for the 20 Ah battery fitted as standard to many power wheelchairs and mobility scooters.
- Sealed AGM/GEL: safe indoors and in transport.
- AGM: faster recharging and better cycle resistance than a conventional battery.
- Approved for air and sea transport (VRLA).
- No maintenance, no water top-ups.
What the Fullriver HC20 is for
With 20 Ah, the Fullriver HC20 offers the daily range that power wheelchairs, mobility scooters and light electric vehicles need, with a sealed construction that is safe indoors. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 32.30 kg and M6 terminals.
Dimensions, polarity and mounting
The Fullriver HC20 is made in the 181 × 77 × 167 mm format and weighs 32.30 kg. It uses M6 terminals, the system that anchors and connects it in the vehicle. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.
Fullriver: the maker behind the HC20
With its own plants and a catalogue focused on high-performance AGM, Fullriver is a familiar brand in power wheelchairs, boats and photovoltaic systems that need thousands of cycles. All the Fullriver batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
The Fullriver HC20: HC range and AGM technology
The HC is the Fullriver range the HC20 belongs to: it shares the same construction and quality criteria with the rest of the series, and varies in capacity and format to suit each vehicle.
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.
Care and maintenance
Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.
Manufacturer's warranty
The Fullriver HC20 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.
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 and Canary 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.
BCOM-FULLRIVER-HC20
Data sheet
- Brand
- FULLRIVER
- Reference
- HC20
- Model
- FULLRIVER HC
- Voltage (V)
- 12
- Length
- 181.00 mm
- Width
- 77.00 mm
- Height
- 167.00 mm
- Weight
- 32.30 Kgs
- Technology
- AGM
- Terminal type
- M6
- Cold cranking amps (EN)
- 230
- Capacity (C20)
- 20Ah (c20)
Specific References
- MPN
- HC20
4,76/5
Verified purchasesLatest verified reviews
★★★★★Jordi Marquez
29/07/2026Me ayudaron con la instalación
Recomiendo esta web, hasta te ayudan a instalar la batería. Gracias!
★★★★★Manuel Torres
30/01/2026Rápido y correcto
Hice el pedido de la batería un martes a las 7 y me llegó el miércoles a las 3
★★★★★Rodrigo Mora
22/12/2025Te indican cómo hacer la instalación
Si tienes dudas con la instalación puedes llamar y te asesoran.
★★★★★Santiago Rojas
03/12/2025Me ayudaron a instalar la batería
Recomiendo esta web, hasta te ayudan a instalar la bateria. Gracias!
Comparison: Fullriver HC20 vs equivalents
The Fullriver HC20 is interchangeable with these equivalent references: ES20-12C FT (MK Powered).
| Product | Specifications | Technology | Price |
|---|---|---|---|
Fullriver
HC20
This battery
|
12V 20Ah 230A | AGM | €176.10 |
MK Powered
ES20-12C FT
|
12V 20Ah | AGM | €53.70 |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
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 Fullriver HC20 an AGM battery and what are the benefits of AGM?
Yes. The HC20 from Fullriver 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.
How long does the Fullriver HC20 battery last?
Expected lifespan of the Fullriver HC20 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 Fullriver HC20 battery?
Dimensions (length × width × height) are 181×77×167 mm — also written as 181x77x167 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 Fullriver HC20?
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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