70% real world ah capacity (88% – 18%)
90% usable capacity with safety protection (100% – 10%)
Average 10Y lifespan
Warranties below are based on 80% DoD rating.
Choosing A Solar System Battery
| Type/Brand | Rally Creek USA Notes | Capacity | Features | Cyc/Warr | Size | Cost |
|---|---|---|---|---|---|---|
| 100 Ah | ~1.2kWh | |||||
| Weize TPLI-12100AH 100ah Mini | M8 terminal | 10Y | 6.77 x 13 x 8.46 in 27 Lbs | $230 Amazon | ||
| 200 Ah | ~2.4kWh | |||||
| NewtiPower 12V200A | M8 Marine Terminal | 10Y | 7.6 x 13.7 x 9.8 in 44 Lbs | $400 Amazon | ||
| Weize LP12-200-SFP | Low Temp Protection M6 Terminal | 9.45 x 20.55 x 8.58 in 47 Lbs | $500 at Amazon | |||
| Weize TPLI-12200AH | M8 terminal | 10Y | 20.6 x 9.37 x 8.58 in 47 Lbs | $500 at Amazon | ||
| 300 Ah | ~ 3.6kWh | |||||
| E-Lektech Large Format | Unreliable SoC indicator on BMS. Rally Creek USA Grade: B- | 3.84kWh 6S or 6P | 250A BMS M8 Terminal | 6,000 5Y | 71 lbs | $590 at Amazon (na) |
| E-Lektech Small Format SH-12-300 | Unreliable SoC indicator on BMS. Virtually identical, other than labels, to Paoweric. See our review. Rally Creek USA Grade: B- | 3.84kWh 6S or 6P | 250A BMS M8 16mm terminal | 6,000 5Y | 13.7 x 9.8 x 7″ 56 lbs | $630 at Amazon (na) |
| Newtipower Large Format | Waiting for arrival for testing… Seems nearly identical to the E-Lektech large format… we will investigate. | 250A BMS | 10,000 10Y | 19 x 8.6 x 9.5 71 lbs | ||
| Paoweric Small Format | Unreliable SoC indicator on BMS. Virtually identical, other than labels, to E-Lektech. Rally Creek USA Grade: B- | 3.84kWh 6S or 6P | 250A BMS M8 16mm terminal | 6,000 5Y | 13.7 x 9.8 x 7″ 56 lbs | $600 Amazon (na) |
| Renogy 12v 300Ah Large Format RBT12300LFPSHx2-US | 3.84kWh 4S4P | 200A BMS M8 Terminal Self-heating | 5,000 5Y | 20.6 x 9.5 x 8.7″ | $1070 at Amazon (na) $1070 at Renogy (na) | |
| Victron 12.8 330Ah Mid Format | Requires separate BMS ($160 Amazon na) | 4.22kWh | No BMS ($) 400A max dis/charge M10 Terminal | 2,500 5Y | 14.2 x 10.4 x 8.2″ 64 lbs IP22 | $1660 Amazon (na) |