SOK SK12V314PH 12V 314Ah Marine Battery vs Rich Solar ALPHA 3 LITE 300Ah Battery

• FeaturesSOK SK12V314PH 12V 314Ah Marine Battery: 10 (higher)Rich Solar ALPHA 3 LITE 300Ah Battery: 3

  SOK SK12V314PH 12V 314Ah Marine Battery

  • Heater, Bluetooth, Victron CAN, IP67, 4 in series or 10 in parallel
  • Heater: the manual says heating turns on below 23°F (-5°C)
  • Comms: CAN to Victron GX or NMEA 2000, RS485 between batteries
  • Safety: gas aerosol fire suppression and an on/off switch

  Rich Solar ALPHA 3 LITE 300Ah Battery

  • Low-temperature cut-off and IP65; no heater, Bluetooth, comms or series
  • Expansion: up to four in parallel
• Operating RangeSOK SK12V314PH 12V 314Ah Marine Battery: 1Rich Solar ALPHA 3 LITE 300Ah Battery: 5 (higher)

  SOK SK12V314PH 12V 314Ah Marine Battery

  • 200 A maximum continuous discharge, 0.64C on 314 Ah
  • Peak: the product page gives 800 A for 7.5 seconds, give or take 2.5
  • Temperature: discharges from -4 to 140°F

  Rich Solar ALPHA 3 LITE 300Ah Battery

  • 300 A continuous discharge, 1.0C on 300 Ah
  • Trip: BMS cuts discharge above about 320 A after 10 seconds
  • Temperature: charges 32 to 131°F, discharges -4 to 140°F
• EfficiencySOK SK12V314PH 12V 314Ah Marine Battery: 8 (higher)Rich Solar ALPHA 3 LITE 300Ah Battery: 6

  SOK SK12V314PH 12V 314Ah Marine Battery

  • 60.0 Wh per pound at 67 lb, on the 58 to 64.9 rung
  • Weight: the manual gives about 30 kg

  Rich Solar ALPHA 3 LITE 300Ah Battery

  • 3,840 Wh in 71.3 lb is 53.9 Wh per pound
• LifespanSOK SK12V314PH 12V 314Ah Marine Battery: 8 (higher)Rich Solar ALPHA 3 LITE 300Ah Battery: 6

  SOK SK12V314PH 12V 314Ah Marine Battery

  • More than 8,000 cycles in the manual; no end-of-life capacity published
  • Conflict: the product page claims 15000+ cycles
  • Cells: the spec sheet rates the cells for more than 8,000 cycles

  Rich Solar ALPHA 3 LITE 300Ah Battery

  • 4,000 cycles to a 70 percent end point by the manual, one rung down
  • Spec sheet: 4,000+ cycles at 80 percent depth, end point unstated
• Warranty & SupportSOK SK12V314PH 12V 314Ah Marine Battery: 7 (higher)Rich Solar ALPHA 3 LITE 300Ah Battery: 5

  SOK SK12V314PH 12V 314Ah Marine Battery: 7 Years · Rich Solar ALPHA 3 LITE 300Ah Battery: 5 Years.

  SOK SK12V314PH 12V 314Ah Marine Battery

  • 7 years on SOK's warranty page, no proration stated

  Rich Solar ALPHA 3 LITE 300Ah Battery

  • 5 years, prorated after year one
  • Schedule: 80 percent cover in year two, falling to 20 percent in year five
  • Condition: charge within 7 days of purchase and every 6 months

Same score

• CapacitySOK SK12V314PH 12V 314Ah Marine Battery: 9Rich Solar ALPHA 3 LITE 300Ah Battery: 9

  SOK SK12V314PH 12V 314Ah Marine Battery

  • 12.8 V times 314 Ah is 4,019 Wh, on the 3,800 to 4,999 Wh rung

  Rich Solar ALPHA 3 LITE 300Ah Battery

  • 12.8 V times 300 Ah is 3,840 Wh, on the 3,800 to 4,999 Wh rung
• VerificationSOK SK12V314PH 12V 314Ah Marine Battery: 2Rich Solar ALPHA 3 LITE 300Ah Battery: 2

  only the SOK SK12V314PH 12V 314Ah Marine Battery: Claimed only; only the Rich Solar ALPHA 3 LITE 300Ah Battery: None verifiable.

  SOK SK12V314PH 12V 314Ah Marine Battery

  • Verification: cell-level UL 1973 claim only; no pack record in any directory
  • Store claim: UL 1973 and IEC 62619 for the cells only
  • Intertek: no record for this model (Hocan Group records cover SK48V100 and SK12V206H/PH)
  • Other directories: no record at UL Product iQ, LabTest, TÜV Rheinland or the CEC battery list
  • ABYC compliance paperwork: installation practice, not a listing

  Rich Solar ALPHA 3 LITE 300Ah Battery

  • No listing for ALPHA 3 LITE; UL 1973 record names ALPHA 3 PRO, a near-miss
  • Near-miss: Intertek UL 1973 records name ALPHA 3 PRO; the listing does not travel
  • Claim: page lists UN 38.3 and MSDS only (transport, not safety)

Not scored for either

• ValueSOK SK12V314PH 12V 314Ah Marine Battery: —not scoredRich Solar ALPHA 3 LITE 300Ah Battery: —not scored

• RedditSOK SK12V314PH 12V 314Ah Marine Battery: 6 (higher)Rich Solar ALPHA 3 LITE 300Ah Battery: 4

  The SOK SK12V314PH 12V 314Ah Marine Battery reading covers the whole brand; the Rich Solar ALPHA 3 LITE 300Ah Battery reading covers the whole brand.

  SOK SK12V314PH 12V 314Ah Marine Battery

  Read the full summary

  • Repairs: on r/vandwellers an owner whose SOK arrived with a bad BMS said support sent a new BMS module, no questions asked, and he swapped it himself (May 2024)
  • Reliability: in the same thread one owner reported two years on solar with 412 Ah of SOKs and another two years of daily use on a 206 Ah, both without problems (May 2024)
  • Load: another commenter there called SOKs fit only for low-stress use, saying their BMS burns out on big inverters or large charge sources (May 2024)
  • BMS: an r/SolarDIY owner of four 206 Ah units in a 24 V bank asked whether a BMS was faulty when one battery read 13 percent beside its partner at 100 percent (October 2025)

  Rich Solar ALPHA 3 LITE 300Ah Battery

  Read the full summary

  • Scope: few Reddit threads name Rich Solar, and those found are complaints
  • Battery: an r/SolarDIY owner's new ALPHA 5 read 6.7 V instead of 48 V, and Rich Solar's technician had not returned his call after two days (August 2023)
  • Order: an r/SolarDIY buyer waited from March for an out-of-stock ground mount, then was told its price had risen from $180 to $699 and cancelled; the refund took months (May 2025)
• GoogleSOK SK12V314PH 12V 314Ah Marine Battery: 6 (higher)Rich Solar ALPHA 3 LITE 300Ah Battery: 5

  The Rich Solar ALPHA 3 LITE 300Ah Battery reading covers the whole brand.

  SOK SK12V314PH 12V 314Ah Marine Battery

  Liked

  • Victron CAN link to the Cerbo GX
  • Bluetooth app shows a lot of data
  • Would buy again after a support fix

  Complaints

  • High-cell alarms at full charge
  • One cell running high, no fix after months
  • Loose ground bar cut capacity

  Read the full summary

  • Sprinter-Source: an owner running two since a pre-release sale called himself very happy, praising the Victron CAN link and the app (January 2026)
  • Alarms: he reported high-cell alarms at full charge, which SOK support called normal cut-off behaviour, and faulted SOK's differing charge-voltage figures (January 2026)
  • Imbalance: another owner said one cell in each of his two batteries ran high, holding them below 13.6 V, with no fix from SOK after months (2026)
  • Ford Transit forum: an owner of three said the Cerbo GX link worked fantastically (March 2025)
  • Ground bar: a loose ground bar cut his capacity; SOK shipped new bars and he said he would buy from SOK again (March 2025)

  Rich Solar ALPHA 3 LITE 300Ah Battery

  Read the full summary

  • Panels: DIY Solar Forum owners of Rich Solar 100 W panels reported them working as rated, one saying eight of them each pushed more than 100 W (August to September 2020)
  • Defects: an owner of 20 of the 100 W poly panels saw faint snail trails after a summer and found one with a broken diode wire (January 2021)
  • Controller: another found Rich Solar's MPPT controller OK but its setup and Bluetooth app in need of work (January 2021)
  • Warranty: a DIY Solar Forum owner reported Rich Solar cut its CIGS panel warranty from 5 years to 1 in 2021 (June 2026); an Escape Forum owner waited six weeks on a warranty claim (August 2024)
• YouTubeSOK SK12V314PH 12V 314Ah Marine Battery: 7 (higher)Rich Solar ALPHA 3 LITE 300Ah Battery: 6

  The Rich Solar ALPHA 3 LITE 300Ah Battery reading covers the whole brand.

  SOK SK12V314PH 12V 314Ah Marine Battery

  Liked

  • Measured above rated capacity
  • Surge held past the rated time
  • Sealed case that screws apart

  Complaints

  • BMS stops charging near 14 V
  • Cell-voltage limit needs a balancing routine

  Read the full summary

  • Will Prowse: measured 330 Ah in a capacity test, saw the 800 A surge hold past 10 seconds and called it pretty good, with a few things to improve (March 2025, about 126,900 views)
  • Disclosure: his description carries an SOK affiliate link and says every video includes paid promotion or sponsorship such as free products
  • Clark's Adventure: loved the sealed case that screws apart and found capacity above 314 Ah, but disliked the BMS's 14 V shutdown and cell-voltage limit (March 2025, about 10,000 views)
  • Disclosure: his description carries an Amazon link to the battery

  Rich Solar ALPHA 3 LITE 300Ah Battery

  Read the full summary

  • Will Prowse: in a test of several panels a Rich Solar 200 W mono gave 157 W, 78.5 percent of rating, and a 100 W poly 88 W; he kept the poly first on his list for a small panel (May 2021, about 366,000 views)
  • Disclosure: Will Prowse states every video includes paid promotion or free product and some links are affiliate links
• AmazonSOK SK12V314PH 12V 314Ah Marine Battery: 6Rich Solar ALPHA 3 LITE 300Ah Battery: 8 (higher)

  The Rich Solar ALPHA 3 LITE 300Ah Battery reading covers the whole brand.

  SOK SK12V314PH 12V 314Ah Marine Battery

  Read the full summary

  • Rating: SOK's own Amazon US listing for the 12V 314Ah (B0DSJ8NZ8S, sold by SOK Battery-SUNMAXENERGY) shows 5.0 stars from 6 ratings (October 2026)
  • Count: six ratings, all five-star, too few to weigh heavily

  Rich Solar ALPHA 3 LITE 300Ah Battery

  Read the full summary

  • Seller: Rich Solar's Amazon US listings sit in a RICH SOLAR brand store sold and shipped by SUNRICH ENERGY
  • Panels: the 100 W 12 V panel family reads 4.7 from 1,326 ratings, 84 percent five-star and 2 percent one-star; the 200 W 12 V panel 4.6 from 519; the 200 W 24 V panel 4.3 from 252 (October 2026)
  • Controller: the BRAVO 40 MPPT controller reads 3.8 from 4 ratings (October 2026)