If you are shopping for an electric golf caddy in 2026, you have probably noticed: every serious caddy now runs on lithium-ion. Lead-acid (SLA) batteries are still sold, but lithium is lighter and charges faster.
This guide covers the real-world differences between lithium and lead-acid batteries for electric golf caddies, why we sell lithium-only, and what it means for your wallet over time.
The Numbers: Lithium vs Lead-Acid
| Spec | Lithium-Ion | Lead-Acid (SLA) |
|---|---|---|
| Charge time | 3 to 5 hours (Motocaddy) | 8 to 14 hours (Motocaddy) |
| Charge cycles | 500+ (Cart Tek) | 200 to 300 |
| Weight (typical caddy battery) | 4-6 lbs | 15-20 lbs |
| Lifespan | 5-7 years | 2-3 years |
| Memory effect | None | None |
| Maintenance | Minimal (top up every 2 months in storage) | Periodic (prevent sulfation) |
| Self-discharge rate | About 1-2%/month, plus ~3% for the BMS | Under 3%/month (sealed, 77°F) |
| Consistent power | Yes (flat discharge curve) | No (weakens as it drains) |
| Upfront cost | Higher | Lower |
| Cost over 5 years | About $369-399 (1 battery) | About $198-297 (2-3 batteries) |
Why Charge Time Matters More Than You Think
Three to five hours (Motocaddy's lithium spec) vs 8 to 14 hours (Motocaddy's lead-acid spec) sounds like an abstract spec. In practice, it changes how you use your caddy:
- Morning round, afternoon round: With lithium, you can top up the battery between rounds without a full charge cycle. With lead-acid, Motocaddy says a 36-hole day takes an extended range battery or a spare standard battery.
- Forgot to charge last night: A lithium charge of 3 to 5 hours can still fit before a late tee time. Lead-acid needs 8 to 14 hours.
- Tournament days: Practice round in the morning, competitive round in the afternoon. Motocaddy rates its extended lithium battery for 36 holes on a single-motor M-Series caddy in normal conditions and suggests a top-up between rounds.
Why Weight Matters on the Course
A typical lead-acid caddy battery weighs 15-20 lbs. A lithium battery doing the same job weighs 4-6 lbs. That is 10-15 lbs less to carry, which means:
- Easier to lift: Motocaddy's lithium battery weighs 2.5 kg (about 5.5 lbs), against 6.5 kg or 10.5 kg (about 14 or 23 lbs) for its lead-acid batteries
- Easier to handle: Motocaddy says lithium batteries are smaller as well as lighter than lead-acid
The Cart Tek Galaxy Titan weighs 16 lbs total with its lithium battery. A lead-acid battery alone weighs nearly that much.
The Real Cost Comparison
Lead-acid is cheaper upfront. Over five years, the gap narrows:
5-Year Cost: Golfer Playing 2x/Week
Lithium: 1 battery x $369-399 (Cart Tek and Motocaddy replacement packs) = $369-399 total
(About 104 rounds a year on a 36-hole battery is roughly 52 full cycles a year, about 260 in 5 years, well inside Cart Tek's 500+ cycle rating.)
Lead-Acid: 2-3 batteries x $99 (12V sealed lead-acid trolley battery) = $198-297 total
(Lead-acid is charged after every round, so about 104 cycles a year. At 200 to 300 cycles, that is a new battery about every 2 to 3 years.)
Result: Over 5 years lead-acid still costs about $70 to $200 less, but lithium gets there with one battery that weighs 10-15 lbs less.
Performance Difference: Flat vs Sloping Discharge
This is the spec most people overlook. Lithium batteries have a flat discharge curve: about 80% of their stored energy comes out in the flat part of the voltage curve, and Motocaddy notes they drop off quickly only at the end of the cycle. Your caddy runs at the same speed on hole 18 as it did on hole 1.
Lead-acid batteries have a sloping discharge curve: voltage falls as the battery drains, which is why a rested lead-acid battery's voltage can be used to gauge its charge. Motocaddy advises stopping as soon as the caddy starts traveling more slowly than usual, because fully discharging the battery can severely reduce its capacity.
Storage and Off-Season
Lithium-ion cells self-discharge about 1-2% per month, and the battery's protection circuit draws about 3% more. Store the battery fully charged, top it up at least every 2 months (Motocaddy says longer gaps could void its warranty), and charge it before your first round.
Sealed lead-acid batteries self-discharge less than 3% per month at 77°F (flooded ones up to 15%) and are prone to sulfation: capacity loss when stored in a discharged state, which becomes permanent if not corrected in time. Leave a lead-acid battery over winter without periodic charging and it may be dead by spring.
Safety
Both battery types are safe when used as intended. Motocaddy lithium batteries include a built-in BMS (Battery Management System) designed to protect against high currents, deep discharge and overcharging. Lead-acid batteries can leak acid if damaged or overcharged.
For air travel: the FAA allows spare lithium-ion batteries only in carry-on bags, up to 100Wh each, or up to two batteries of 101 to 160Wh with airline approval. Caddy batteries are well above the 160Wh limit: the Cart Tek Formula battery is 263Wh, NAVEE Birdie 3 is 220Wh and Robera Pro is 299Wh. Check your specific model's specs and airline policy before flying.
Why We Sell Lithium Only
Every electric golf caddy at Top Shelf Golf uses lithium-ion batteries. We do not carry lead-acid models.
The reason is simple: we would not put a lead-acid battery on our own caddies, so we will not sell one to you. Lithium is lighter, lasts longer and charges faster, and its extra cost shrinks over five years.
Our Lithium Caddy Lineup
Every model below runs on a lithium battery:
- $999.99: NAVEE Birdie 3, remote control
- $1,099: Cart Tek Formula Manual, lowest-priced walk-behind, aviation aluminum
- $1,099: Motocaddy M1 DHC, 28V motor, compact folding design
- $1,199: Cart Tek GRi-975Li, Cart Tek's best-seller, distance control
- $1,299: Cart Tek Yellowstone, rugged dual-motor remote
- $1,499: Motocaddy M5 GPS, GPS touchscreen
- $1,649: Cart Tek Formula Remote, 5 colors
- $1,695: Cart Tek 1500 V3, Active Steer Assist
- $1,699: Motocaddy M7 Remote, twin 230W DHC motors
- $1,799: Robera Pro, AI camera follow
- $2,099: Motocaddy M7 GPS Remote, GPS + remote
- $2,299: Cart Tek Formula Pursuit, follow + remote + manual
- $2,999: Cart Tek Galaxy Titan, 16 lbs titanium
Cart Tek Formula Manual
Lowest-priced walk-behind lithium caddy. Aviation aluminum frame, DHC, display with speed control.
View Cart Tek Formula Manual →
Motocaddy M1 DHC
Same 28V system and 230W DHC motor as the M7, which runs two. Compact folding design, DHC, cable-free battery. The best value in the Motocaddy lineup.
View Motocaddy M1 DHC →
Cart Tek Formula Remote
Full remote control with handle display. Available in 5 colors. Aviation aluminum.
View Cart Tek Formula Remote →
Motocaddy M7 Remote
Twin 230W DHC motors. Full 360-degree control from 100m+.
View Motocaddy M7 Remote →
Robera Pro
Camera-based AI tracks you hands-free with obstacle avoidance. No beacon needed.
View Robera Pro →
Motocaddy M7 GPS Remote
The complete package. Remote control + GPS touchscreen in one caddy.
View Motocaddy M7 GPS Remote →
