Mason — Starter
Mason 12V20Ah — LiFePO₄ Starter Battery
The Mason 12V20Ah is a lightweight, compact and high-performance lithium starter battery. With LiFePO₄ chemistry and an integrated BMS, it’s exceptionally reliable and safe. Designed to serve as a 12V voltage source for starting combustion engines. Lead-acid equivalent 70–100Ah (when alternator ≤ 66A).
12.8V nominal
20Ah / 256Wh
>1000 cycles (10C, 100% DoD)
IP66
EqPb 70–100Ah
4.6 kg
Nominal capacity
20Ah
Nominal voltage
12.8V
Dimensions (L×W×H)
255 × 101 × 171 mm / 10.0” × 4.0” × 6.7”
Open circuit voltage
13.2V
Gallery
Specifications
Electrical
- Nominal capacity: 20Ah
- Energy: 256 Wh
- Open circuit voltage: 13.2V
- Self-discharge: <3% per month
- Cycle life: >1000 (at 10C discharge, 100% DoD)
- EqPb (lead-acid equivalent): 70–100Ah
- Voltage: 12V
Charge & Discharge
- Charge method: CCCV
- Charge voltage: 14.3–14.6V
- Max. charge current: 66A
- End of discharge voltage: 8V
- Discharge current (continuous): 260A
- Discharge pulse current: 892A (45C) for 1s
Mechanical
- Dimensions (L×W×H): 255 × 101 × 171 mm (10.0” × 4.0” × 6.7”)
- Weight: 4.6 kg (10.1 lbs)
- Case material: PC-ABS
- Ingress protection: IP66
- Cell type / chemistry: Cylindrical — LiFePO₄
Temperature
- Charge: 0°C to 55°C (32°F to 131°F)
- Discharge: −30°C to 55°C (−22°F to 131°F)
- Storage: −40°C to 60°C (−40°F to 140°F)
Compliance & General
- Certifications: CE, UN 38.3, UL 1642 (Cells)
- Shipping classification: UN 3480
- EAN-13: 8718531361812
- Battery designation: 4IFpR27/66-8
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