Long

Long WP40-12 · Electric wheelchair battery 12V 40Ah

Reference: BOL-LONG-WP40-12

Long WP40-12: electric wheelchair battery with 12 V and 40 Ah, measuring 197.7 × 166 × 171 mm.

Where the Long WP40-12 fits

The Long WP40-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.

The WP40-12 belongs to the Long WP Series range. See all Long batteries

What it means that the WP40-12 is AGM

The WP40-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

Long WP40-12 vs WP45-12 and WP45-12N

What sets the WP40-12 apart from its neighbours in the Long range:

ModelCapacityDimensions (mm)Weight
Long WP40-12 (this one)40 Ah197.7 × 166 × 17113.5 kg
Long WP45-1245 Ah199 × 166 × 17114.5 kg
Long WP45-12N45 Ah199 × 166 × 17114.5 kg
  • Long WP45-12: 5 Ah more, the same dimensions.
  • Long WP45-12N: 5 Ah more, the same dimensions.

Equivalents and alternatives to the Long WP40-12

Other AGM batteries that fit the WP40-12's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Fullriver DCG40-12AGM40 Ah198 × 166 × 171
Ritar RA12-40BAGM42 Ah198 × 166 × 171
Long WP40-12NAGM40 Ah197.7 × 166 × 171
Long WP40-12EAGM40 Ah197.7 × 166 × 171
Long WP40-12NEAGM40 Ah197.7 × 166 × 171

Part numbers and codes for the Long WP40-12

The WP40-12 is listed under these codes on labels, in garages and in catalogues:

Commercial referenceWP40-12
Not to be confused withLong WP20-12 (20 Ah), Long WP45-12 (45 Ah), Long WP50-12 (50 Ah)

Check this before ordering the Long WP40-12

  • With 40 Ah, the WP40-12 replaces an original battery of that capacity or slightly less.
  • Measure the space: the WP40-12 takes up 197.7 × 166 × 171 mm.

Frequently asked questions about the Long WP40-12

WP40-12 or WP45-12: which one suits me?

Compared with the WP40-12, the Long WP45-12 has 5 Ah more. With 45 Ah, the WP45-12 runs longer between charges than the WP40-12 (40 Ah). Both measure 197.7 × 166 × 171 mm, so they fit the same tray.

How much does the Long WP40-12 weigh?

13.5 kg, with 40 Ah of capacity. For reference, the Long WP45-12 (45 Ah) weighs 14.5 kg.

Which battery is equivalent to the Long WP40-12?

Only other AGM batteries with its dimensions and polarity: Fullriver DCG40-12, Ritar RA12-40B and Long WP40-12N. Neither an EFB nor a conventional battery replaces the WP40-12.

Keep comparing: alternatives to the WP40-12

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