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Long U1-33HN · Wheelchair battery 12V 33Ah AGM

Specifications

BrandLONG
Part numberU1-33HN
Voltage (V)12
Capacity (C20)33Ah (c20)
Capacity (C5)28.05Ah (c5)
TechnologyAGM
Length197.00 cm
Width131.00 cm
Height168.00 cm
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Long U1-33HN 12V 33Ah is a sealed AGM/GEL battery for daily mobility use: maintenance-free, no risk of spills, and thousands of useful cycles well beyond a starter battery.

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
33 Ah C20
Dimensions
197×131×168 mm
Technology
AGM
Weight
10,1 kg
Model
U1 Series
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Mobility battery Long U1-33HN U1 Series 33Ah 12V

12VVoltage
33AhCapacity
10.10kgWeight

The Long U1-33HN with AGM technology delivers 33 Ah at 12 V with the cycle life that power wheelchairs, mobility scooters and light electric vehicles demand. It replaces the original battery without adaptation in power wheelchairs and mobility scooters with a 197 × 131 × 168 mm format: same 33 Ah capacity.

  • Thousands of useful cycles over its lifetime.
  • Standard replacement format for wheelchairs and scooters.
  • AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
  • Designed to be discharged and recharged daily without losing capacity.

What the Long U1-33HN is for

With 33 Ah, the Long U1-33HN 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 10.10 kg.

Size, terminals and hold-down of the Long U1-33HN

It has external dimensions of 197 × 131 × 168 mm and weighs 10.10 kg. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.

The Long U1-33HN: U1 Series range and AGM technology

Within the Long catalogue, the U1 Series series groups the references designed for this use. The U1-33HN is the 33 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 (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. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.

Manufacturer's warranty

The Long U1-33HN 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.

Usage and maintenance tips

Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together. Recharge the wheelchair or scooter after each use and do not leave it discharged for days: lead sulphates and loses capacity.

Delivery times 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.

  • Reference
    BCOM-LONG-U1-33HN

Data sheet

  • Brand
    LONG
  • Reference
    U1-33HN
  • Model
    U1 Series
  • Voltage (V)
    12
  • Length
    197.00 cm
  • Width
    131.00 cm
  • Height
    168.00 cm
  • Weight
    10.10 Kgs
  • Technology
    AGM
  • Capacity (C20)
    33Ah (c20)
  • Capacity (C5)
    28.05Ah (c5)

Specific References

  • MPN
    U1-33HN

Other 33Ah batteries

We stock 4 models of 33 Ah to compare by price, technology and cold cranking: see all 33Ah batteries. Same size (197 × 131 × 168 mm): batteries of 197 × 131 × 168 mm.

Recommended accessories — complement the Long U1-33HN with a charger or tester

Frequently asked questions

Is the U1-33HN model AGM? What does this technology offer?

Yes. The U1-33HN 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 do I fit the U1-33HN model in my device?

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 U1-33HN battery last?

Expected lifespan of the Long U1-33HN 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 Long U1-33HN battery?

Dimensions (length × width × height) are 197×131×168 mm — also written as 197x131x168 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 U1-33HN 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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