FAQ - Solar City Botswana

Battery Technology

LiFePO4 vs AGM

Longer lifespan: 10+ years vs 3-5 years

Higher depth of discharge: 80-90% vs 50%

Better efficiency: Lower self-discharge rates

Lighter weight: Significantly lighter

Lithium batteries offer better long-term value despite higher upfront cost.

Victron's Detailed Comparison

Charge Controllers

PWM vs MPPT

PWM

• Lower cost
• Best for small systems
• Simple technology
• Budget-friendly

MPPT

• 20-30% more efficient
• Better for large systems
• Higher panel voltages
• Better ROI long-term

Recommendation: MPPT controllers provide best performance for Botswana's climate, maximizing energy harvest especially during cool mornings and cloudy conditions.

Victron's Technical Guide

Power Generation

Solar Output in Botswana

Botswana averages 6-7 peak sun hours per day

100W Panel 400-500Wh/day

300W Panel 1.5-2kWh/day

5kW System 25-30kWh/day

Actual production varies based on orientation, shading, temperature, and seasonal variations. We provide detailed site assessments for accurate estimates.

Maintenance

System Care

Panel cleaning: Every 2-3 months or after dust storms

Visual inspections: Quarterly checks for damage

Battery monitoring: Monthly health checks

System monitoring: Regular performance checks

Professional Service: Annual inspections recommended. Contact us for maintenance packages.

Investment Return

Payback Period

Grid-tied systems 5-8 years

Off-grid systems Immediate savings

Backup systems Energy security value

After payback, enjoy 20+ years of free electricity with 25-30 year panel warranties.

System Coverage

Complete Solutions

Yes! We design systems to meet your complete energy needs.

Daily electricity consumption

Peak power requirements

Available space

Budget & backup duration

From partial backup to complete energy independence, we find the perfect balance of capacity, reliability, and cost.

Still Have Questions?

Our team is here to help you find the perfect solar solution

Frequently Asked Questions