Nominal Voltage	12V
20Hr Capacity	135Ah
CCA	730A
MCA	920A
RC (min)	265
Energy (kWH)	1.8
Terminal Posts	8mm (included)
Dimensions	13"w x 6.8"d x 8.4"h/8.7th**
Weight	77lb
Charging Current*	10A-35A
Charging Voltage	14.4V-14.9V
Float Voltage	13.5V-13.8V
25A @ 1.75/Cell	265Min
75A @ 1.75/Cell	75Min
Short Circuit Current	2500A
Max Discharge Current	1000A (5s)
Internal Resistance	3.2 mOhms

Recommended Charging Options

AC Chargers: Any Quality Brand AGM- Smart & Microprocessor controlled- charger with the recommended specs above can be used.
Vehicle Alternator: 14V-15V.
RV Converter: 14V-15V.
Solar Panel: 175W-450W.
Wind Turbine: 175W-450W.
Charge Controller: 15A-UP

Operating Temperature Range

Discharge: -4~140F
Charge: 14~140F
Storage: -4~140F

Temperature Compensation

Cycle Use: -30mV/C
Standby Use: -20mV/C

BCI Group Codes

Matching Termination: 31 (+ on L.H.S. & - on R.H.S)

* Warning: Do not use a charger with smaller amperage than the recommended Charging Current shown above.
Maintainers should ONLY be used to maintain a fully charged battery but NEVER as a charger.

**Total Height including terminal post.

Order a Vmaxtanks XTR31-135 12V/135Ah Xtreme AGM Deep Cycle Battery today from SolarParadise.com. Free shipping + free gifts on all of our Vmaxtanks Deep Cycle Batteries. Buy today and get a discount, free shipping, and a free gift!

Customer Reviews

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I haven’t had a chance to experience a thing, because I have not been well, please give me a chance to feel better and get back to you. I’m sure I will be be very happy..

Gonna love it

Have not opened up the packages yet.
Waiting til needed.
KNOW how great Bluetti is.... because of many many other sailors using it and having life-changing experiences 👍🏻👍🏻

Solar Jackery

So far the unit is doing good for one of our houseless individuals in our community. The sun doesn’t always shine thru the trees in his camp but it’s light enough to carry into town to it charged. He’s using it to run his CPAP at nighttime

Could use a carting case

Needs a carting case

Fantastic

Received my delta 2 very fast! the company was very friendly and knowledgeable on the phone.. everything work beautifully so iam very pleased... william H.

Vmaxtanks XTR31-135 12V/135Ah Xtreme AGM Deep Cycle Battery

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