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SigmasTek ST12B-4 Battery Specs
The SigmasTek ST12B-4 is a 12V 10Ah SLA AGM Battery with NB Terminals, delivering 210 CCA.
- Type: Rechargeable Sealed Lead Acid (SLA), Absorbent Glass Mat (AGM)
- Voltage / Capacity: 12V 10Ah
- Length: 151 mm (5.94″)
- Width: 70 mm (2.76″)
- Height: 130 mm (5.12″)
- Height with Terminal: 130 mm (5.12″)
- Cold Cranking Amps: 210 CCA
- Terminal Type: NB
Battery Model: SigmasTek ST12B-4
The SigmasTek ST12B-4 battery is a 12V 10Ah rechargeable sealed lead acid (SLA) battery from the SigmasTek ST Series, delivering 210 CCA and featuring an absorbent glass mat (AGM) design.
Designed with a safety vent that releases gas to prevent excessive internal pressure buildup, SLA batteries offer many benefits as they are low maintenance, leakproof / spillproof, reliable, and position insensitive (they can operate in any orientation).
The SigmasTek ST Series batteries are multi-functional for both cycle and standby use, and they have a life expectancy of 3-5 years in standby use.
Batteries from the ST Series offer extreme freeze, heat and vibration resistance and are typically used in high rate discharge applications, such as motorcycles, snowmobiles, ATVs, and mopeds as well as many other powersports vehicles and personal watercrafts.
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How can I extend the life of my SigmasTek ST Series sealed lead acid battery while it is in storage?
In general, it is not recommended to leave sealed lead acid batteries in storage while in a discharged or partially charged state. Sealed lead acid batteries self-discharge about 3% every month and if they are not recharged periodically, you may not be able to recover its fully capacity.
To help extend the life of your SigmasTek ST Series battery, store your battery in a cool and dry place at 25°C (77°F).
A freshening charge for your SigmasTek ST Series battery is recommended at six months if stored at 25°C (77°F). For higher temperatures, the time interval will be shorter.
Battery Chart for SigmasTek ST12B-4 NB Terminal
| Brand / Manufacturer | SigmasTek |
| Battery Model No. | ST12B-4 |
| Type | Sealed Lead Acid / AGM |
| Nominal Voltage | 12V |
| Nominal Capacity (10HR) | 10Ah |
| Cold Cranking Amps | 210 CCA |
| Polarity | +/- |
| Terminal Type | NB |
| Length | 5.94″ (151 mm) |
| Width | 2.76″ (70 mm) |
| Height | 5.12″ (130 mm) |
| Total Height with Terminal | 5.12″ (130 mm) |
| Approx. Weight | 8.04 lbs (3.65 kg) |