Solar Batteries

Solar batteries are essential components of renewable energy systems, providing dependable energy storage for off-grid, backup, and hybrid solar installations. RSP Supply offers solar batteries with voltage ratings ranging from 6 volts to 12 volts and amp-hour capacities from 0.8 AH to 230 AH, supporting a wide variety of system sizes and energy demands. 

Solar batteries are available in multiple technologies, with lead-acid and lithium-ion being the most commonly used. Lead-acid batteries remain widely used due to their cost-effectiveness and proven performance, while lithium-ion batteries offer higher energy density, longer cycle life, and greater usable capacity. Selecting the correct voltage and amp-hour rating is critical to matching the battery bank to system load requirements, inverter specifications, and charge controller settings.

One of the most important performance considerations when selecting a solar battery is depth of discharge, which determines how much of the stored energy can be used without significantly reducing battery lifespan. When properly sized and integrated with solar panels, charge controllers, and inverters, solar batteries improve system efficiency, reduce reliance on the electrical grid, and provide reliable power in remote or outage-prone locations.

Found 68 items
Normally In Stock
BB Battery BP33-12B2S Premium General Purpose Battery 12V 33AH
Free U.S Ground shipping
$184.92
$154.10
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BB Battery BP65-12 Premium General Purpose Battery 12V 65AH
Free U.S Ground shipping
$350.06
$291.72
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BB Battery BP7-12-T2 Premium General Purpose Battery 12V 7AH Terminal Type 2
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$40.92
$34.10
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BB Battery BP10-12-T2 Premium General Purpose Battery 12V 10AH Terminal Type 2
Free U.S Ground shipping
$58.21
$48.51
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BB Battery BP40-12B2 Premium General Purpose Battery 12V 40AH
Free U.S Ground shipping
$224.15
$186.79
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PowerSonic Battery PS1250F1 General Purpose Battery 12V 5AH
Free U.S Ground shipping
$36.67
$30.56
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PowerSonic Battery PS12750NB General Purpose Battery 12V 75AH
Free U.S Ground shipping
$417.66
$348.05
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PowerSonic Battery PS1270F1 General Purpose Battery 12V 7AH
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$46.18
$38.48
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BB Battery EP65-12 Deep Cycle Battery 12V 65AH
Free U.S Ground shipping
$393.61
$328.01
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PowerSonic Battery PS121000 General Purpose Battery 12V 100AH
Free U.S Ground shipping
$491.08
$409.23
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PowerSonic Battery PS1282L General Purpose Battery 12V 9AH
Free U.S Ground shipping
$165.02
$137.52
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PowerSonic Battery PS12180 General Purpose Battery 12V 18AH
Free U.S Ground shipping
$113.05
$94.21
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PowerSonic Battery PS12260 General Purpose Battery 12V 26AH
Free U.S Ground shipping
$161.35
$134.46
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BB Battery BP28-12B1 Premium General Purpose Battery 12V 28AH
Free U.S Ground shipping
$148.15
$123.46
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PowerSonic Battery PS1238 General Purpose Battery 12V 3.4AH
Free U.S Ground shipping
$68.04
$56.70
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PowerSonic Battery PS1228 General Purpose Battery 12V 2.8AH
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$55.99
$46.66
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PowerSonic Battery PS1229 General Purpose Battery 12V 2.9AH
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$69.29
$57.74
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BB Battery BP12-12-T1 Premium General Purpose Battery 12V 12AH Terminal Type 1
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$66.98
$55.82
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PowerSonic Battery PG12V28FR Premium General Purpose Battery 12V 28AH
Free U.S Ground shipping
$266.00
$221.67
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PowerSonic Battery PG12V35FR Premium General Purpose Battery 12V 35AH
Free U.S Ground shipping
$209.68
$174.73
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PowerSonic Battery PG12V55FR Premium General Purpose Battery 12V 55AH
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$360.72
$300.60
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PowerSonic Battery PG12V75FR Premium General Purpose Battery 12V 75AH
Free U.S Ground shipping
$539.70
$449.75
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BB Battery BP10-12-T1 Premium General Purpose Battery 12V 10AH Terminal Type 1
Free U.S Ground shipping
$58.21
$48.51
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BB Battery BP8-12-T1 Premium General Purpose Battery 12V 8AH Terminal Type 1
Free U.S Ground shipping
$48.98
$40.82
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BB Battery BP8-12-T2 Premium General Purpose Battery 12V 8AH Terminal Type 2
Free U.S Ground shipping
$48.98
$40.82
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BB Battery EP12-12-T1 Deep Cycle Battery 12V 12AH Terminal Type 1
Free U.S Ground shipping
$79.43
$66.19
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BB Battery EP12-12-T2 Deep Cycle Battery 12V 12AH Terminal Type 2
Free U.S Ground shipping
$79.43
$66.19
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BB Battery EP28-12-T2 Deep Cycle Battery 12V 28AH Terminal Type 2
Free U.S Ground shipping
$169.46
$141.22
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BB Battery EP7-12-T2 Deep Cycle Battery 12V 7AH Terminal Type 2
Free U.S Ground shipping
$48.66
$40.55
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PowerSonic Battery PG12V75TFR Premium General Purpose Battery 12V 75AH
Free U.S Ground shipping
$392.39
$326.99
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PowerSonic Battery PG12V92FR Premium General Purpose Battery 12V 92AH
Free U.S Ground shipping
$448.44
$373.70
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PowerSonic Battery PG12V103FR Premium General Purpose Battery 12V 103AH
Free U.S Ground shipping
$585.41
$487.84
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BB Battery BP12-12-T2 Premium General Purpose Battery 12V 12AH Terminal Type 2
Free U.S Ground shipping
$66.98
$55.82
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BB Battery BP17-12-T2 Premium General Purpose Battery 12V 17AH Terminal Type 2
Free U.S Ground shipping
$93.68
$78.07
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BB Battery BP3-12-T1 Premium General Purpose Battery 12V 3AH Terminal Type 1
Free U.S Ground shipping
$28.66
$23.88
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BB Battery BP3-12-T2 Premium General Purpose Battery 12V 3AH Terminal Type 2
Free U.S Ground shipping
$28.66
$23.88
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BB Battery BP5-12-T1 Premium General Purpose Battery 12V 5AH Terminal Type 1
Free U.S Ground shipping
$34.57
$28.81
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BB Battery BP5-12-T2 Premium General Purpose Battery 12V 5AH Terminal Type 2
Free U.S Ground shipping
$34.57
$28.81
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BB Battery BP7-12-T1 Premium General Purpose Battery 12V 7AH Terminal Type 1
Free U.S Ground shipping
$40.92
$34.10
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PowerSonic Battery PS1230 General Purpose Battery 12V 3.4AH
Free U.S Ground shipping
$49.12
$40.93
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PowerSonic Battery PS1251FP General Purpose Battery 12V 5.4AH
Free U.S Ground shipping
$49.49
$41.24

FAQs

Q: What are solar batteries used for?
Solar batteries store excess energy generated by solar panels so it can be used when sunlight is unavailable or during power outages.

Q: Are lithium-ion batteries a good choice for solar backup power?
Yes, lithium-ion batteries are well-suited for solar backup systems due to their high energy density, long cycle life, fast charging, and low maintenance requirements.

Q: What is depth of discharge and why is it important?
Depth of discharge indicates how much of a battery’s capacity can be used safely. A higher depth of discharge increases usable energy without significantly impacting battery lifespan.

Q: Can solar batteries help reduce energy bills?
Yes, solar batteries can lower energy costs by storing excess solar energy for use during peak utility rate periods or outages, reducing dependence on the grid.

Q: Are solar batteries required for all solar power systems?
Solar batteries are essential for off-grid systems and provide backup and energy optimization benefits in grid-tied systems, but they are not required for all installations.

Why Buy Solar Batteries from RSP Supply

RSP Supply offers a comprehensive selection of solar batteries designed for reliable energy storage in renewable power systems. Our product lineup supports off-grid, backup, and hybrid solar applications with battery solutions engineered for efficiency, durability, and long service life. Customers rely on RSP Supply for technical expertise, dependable sourcing, and energy storage solutions that help maximize the performance of solar power systems.