$44.99 (monsterscooterparts.com)
UB12120 12V 12Ah AGM
Batteries - AGM. Compact sealed AGM battery with F2 tabs for travel scooters that run on small 12 Ah packs.
Universal Power Group (UPG)
Photo could not be loaded
Universal Power Group (UPG) · Batteries - AGM · AC-309
UPG UB12350 U1 12V 35Ah AGM Battery
The UB12350 from Universal Power Group is a sealed absorbed glass mat battery in the U1 case size. It is rated 12 volts and 35 amp hours, measures 7.71 by 5.16 by 7.13 inches and weighs 25 pounds. Mid-size scooters and power chairs normally carry two of them wired in series for 24 volts, so most owners order a matched pair.
- Voltage
- 12 V
- Capacity
- 35 Ah
- Chemistry
- AGM sealed lead acid
- Case size
- U1
Universal Power Group UB12350 U1 12V 35Ah AGM key features
- 12 volt, 35 amp hour AGM sealed lead acid
- U1 case: 7.71 x 5.16 x 7.13 inches
- L-shaped post terminals
- Spill-proof and maintenance-free construction
- Described as DOT certified for airline travel
- One year full replacement warranty from the retailer
Who the Universal Power Group UB12350 U1 12V 35Ah AGM suits
A fit for owners of mid-size scooters and power chairs whose battery bay is built for U1 units. The retailer lists more than 40 compatible models from Merits, Quantum, Heartway, Invacare, Hoveround and Shoprider. Check terminal style and bay size first.
Figures for comparing
- Weight
- 11.3 kg (24.9 lb)
The same units on every product, converted from the specifications below. Where a source gives two limits, the lower one is shown.
Universal Power Group UB12350 U1 12V 35Ah AGM specifications
| Voltage | 12 V |
|---|---|
| Capacity | 35 Ah |
| Chemistry | AGM sealed lead acid |
| Case size | U1 |
| Dimensions | 7.71 x 5.16 x 7.13 in |
| Weight | 25 lb |
| Terminals | L-shaped post |
| Warranty | 1 year replacement |
| Maker country | USA |
| Brand | Universal Power Group (UPG) |
| Category | Batteries and chargers, Batteries - AGM |
| Catalog ID | AC-309 |
Compared with the source page on 5 October 2026. Details can change, so we confirm them in your quote. Open the source page.
Universal Power Group UB12350 U1 12V 35Ah AGM: common questions
Do I need one battery or two?
Most 24 volt scooters and power chairs use two 12 volt batteries in series, so a pair is the usual order.
Is it spill-proof?
Yes. It is a sealed AGM design described as spill-proof and maintenance-free.
What terminals does it have?
L-shaped post terminals. Compare them with the cables on your chair before ordering.
How to get a quote for the Universal Power Group UB12350 U1 12V 35Ah AGM
Add it to your enquiry list
Press Add to enquiry. You can add other products and parts to the same list.
Tell us your country and needs
Send the list with your country, sizes and any options you want. No payment details are asked.
Get a personal reply
You receive availability, a price and delivery options by email, and decide after that.
Similar to the Universal Power Group UB12350 U1 12V 35Ah AGM
All Batteries and chargers$349.98 per pair (monsterscooterparts.com)
UB12550 22NF 24V pair (2 x 12V 55Ah)
Batteries - AGM. Pair of sealed 22NF AGM batteries with a hardware kit, forming a 24 volt set for larger scooters and power chairs.
$74.99 each, $144.99 two-pack (mightymaxbattery.com)
ML35-12
Batteries - AGM. Sealed 12 volt 35 Ah AGM battery in U1 size with nut-and-bolt terminals for mobility and general deep-cycle use.
$139.95 (batterywarehouseva.com)
DCM0035
Batteries - AGM. Sealed lead acid deep-cycle battery in the U1 group, listed by the retailer for mobility scooters.
USD 269.96 each (retailer)
M22NF SLD G
Batteries - lead-gel. Sealed, maintenance-free deep-cycle gel battery in the Group 22NF size.
Chairs and other parts
Guides for this kind of product
How-to & Maintenance · 8 min read
Tire and caster care in 15 minutes
Soft tires and hair-wrapped casters make every push harder. This short routine keeps both in order and tells you when parts need replacing.