Sun Xtender PVX-4050HT

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3 reviews
  • The SunXtender PVX-4050HT boasts industry leading life cycles providing safe, reliable and long lasting power.
  • Recombinant gas SunXtender Deep Cycle AGM Series solar batteries are low resistance, valve regulated lead acid (VRLA) batteries.
  • Non-Spillable maintenance free construction allows battery to be used upright, on it's end or side.
  • Features PolyGuard™ Microporous Polyethylene Separators shielding the positive plates against shorting, shock or vibration.
  • There is no exposed lead on SunXtender batteries and they are 100 percent recyclable making them environmentally friendly.
  • Designed for photovoltaic applications for superior & reliable solar power.
  • Low Self Discharge Rate Approximately 1 % per month at 25° C (77° F).
  • Ships UL approved, HAZMAT Exempt, DOT HMR40 compliant and fully charged ready to install.

Download Sun Xtender PVX-4050HT Datasheet PDF.

Click here to download Technical Manual PDF.

All SunXtender batteries are proudly made in the USA.
*Example payments are based on the listed product price(s) assuming a 24-month loan term and 9.99% APR. Subject to approval of credit application. Rates range from 5.99% to 29.99% APR, resulting in, for example, 24 monthly payments of $46.14 at 9.99% APR, per $1,000 borrowed. APRs will vary depending on credit qualifications, loan amount, and term. Bread® pay-over-time plans are loans made by Comenity Capital Bank.


BCI Group Reference


Length in. (mm)

11.64" (296mm)

Width in. (mm)

6.95" (177mm)

Height in. (mm)

15.73" (399mm)

Weight lbs (kg)

120 lbs (54.4 kg)

Standard Terminal


Nominal Capacity Ampere Hours @ 77°F (25°C)
(To 1.75 volts per cell)
1 hr Rate

266 Ah

2 hr Rate

345 Ah

4 hr Rate

360 Ah

8 hr Rate

376 Ah

24 hr Rate

405 Ah

All SunXtender batteries are covered by an 1 Year Free Replacement  (no pro-rate)


A battery warranty is for manufacture defects in material and/or workmanship. Warranty does not apply to batteries that are severely discharged, have broken containers, covers, or terminals, have been overcharged or sulphated, or have been neglected or abused or are used in applications for which the battery is not designed.

The warranty covers the defective battery only. is not responsible for any freight charges, installation charges, loss of time, or other consequential damage or cost incurred.

The warranty does not apply to batteries if their proprietary manufacturing code markings and/or serial numbers have been tampered with or removed.

If you feel you have a received a defective battery, please email us at for instructions on how to proceed.

Customer Reviews
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Filter Reviews:
Juan W.
United States United States
I recommend this product

They have not arrived in Hawaii yet.

It takes a long time by ocean voyage. I hope they can drop the pallet into my pickup.

Juan W.
United States United States
I recommend this product

Better than expected

Today is installation day. These are replacement batteries... same brand - same model. I have had a great experience with them in the past.

A Battery Guys Customer
Gerry B.
United States United States
I recommend this product

Arrived FULLY charged and ready to go at a great price and snappy service

The freight company was slow, but The Battery Guys shipped the SAME DAY I ordered my battery. These guys ROCK.

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