Choose your capacity
12 Ah — compact solutions for portable electronics, fishfinders, alarm systems, routers and small devices. 20 Ah — higher power and longer runtime for e-transport, marine, camping, solar, medical and industrial equipment.
Model 12.8V 12Ah
Compact
| Parameter | Value |
|---|---|
| Nominal Voltage | 12.8 V |
| Nominal Capacity | 12 Ah |
| Stored Energy | 153.6 Wh |
| Cell Type | Cylindrical LiFePO4 (typically format 32700) |
| Full Charge Voltage | 14.6 V |
| Discharge Cut-off Voltage | 10.0 V |
| Standard Charge Current | 2 – 5 A (maximum configurable up to 12 A) |
| Max Continuous Discharge Current | 12 A |
| Peak Discharge Current | Up to 15–36 A (briefly, less than 3 seconds) |
| Dimensions (L × W × H) | 151 × 99 × 99 mm (standard size for replacing AGM-type lead-acid batteries) |
| Weight | ~1.5 kg |
| Enclosure Protection Class | IP65 / IP66 (moisture-protected ABS plastic) |
Model 12.8V 20Ah
Higher power
| Parameter | Value |
|---|---|
| Nominal Voltage | 12.8 V |
| Nominal Capacity | 20 Ah |
| Stored Energy | 256 Wh |
| Cell Type | Cylindrical LiFePO4 (typically format 40135 / 26700) |
| Full Charge Voltage | 14.6 V |
| Discharge Cut-off Voltage | 10.0 V |
| Standard Charge Current | 5 – 10 A (maximum up to 20 A) |
| Max Continuous Discharge Current | 20 A (up to 30 A in some BMS modifications) |
| Peak Discharge Current | 40 A (briefly) |
| Dimensions (L × W × H) | 181 × 77 × 167 mm |
| Weight | ~2.2 – 2.3 kg |
| Enclosure Protection Class | IP65 (impact-resistant plastic) |
Configuration features
Series connection up to 4 units allowed (for creating 24V, 36V, or 48V systems). Parallel connection is usually limited by the specific BMS capabilities (not recommended without consultation).
Industrial and traction batteries 12V 20Ah
| Parameter | Value |
|---|---|
| Form Factor | Rectangular sealed block |
| Case Material | Blue, black, or grey plastic (optional: metal) |
| Terminals | Screw-type, M5 or M8, on the top panel |
| Weight | 2.0 – 2.6 kg |
| Dimensions (L×W×H) | ~180 × 76 × 170 mm |
| Primary Application | Trolling motors, RVs/campers, solar street lights, amateur radio, automation systems |
Appearance
Sealed rectangular monoblocks made of plastic (blue, black, or grey) or metal. Screw terminals (M5 or M8) are installed on the top cover for connecting power cables.
Safe, durable, efficient
Service life
Up to 4000+ charge-discharge cycles at 80% DoD — over 10 years of daily use.
Absolute safety
Thermal stability and a built-in BMS protect against overcharge, deep discharge, short circuits and overheating.
Efficiency
Up to 98% energy conversion efficiency; usable capacity is 100% of the nominal rating.
Cold resistance
Operating temperature range during discharge from −20°C to +60°C.
Need a battery for your device?
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