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Forklifts & material handlingShould I choose lead-acid or lithium for two-shift forklift work?
Two-shift work usually favours lithium, because opportunity charging during breaks removes the need for a spare battery set and a ventilated charging room. Lead-acid is often the better financial decision on a single shift with a ventilated charging area. The duty cycle decides, not the technology label.
In more detail
The question is not which battery is better in general — it is which one fits your shift pattern and your building.
Under two or three shifts, lead-acid becomes awkward. A lead-acid pack needs a full charge cycle and a cooling period, so multi-shift operation normally means a spare battery set per truck plus a charging room with adequate ventilation. That is space, capital and a daily handling routine. Lithium tolerates opportunity charging, so a truck can top up during breaks instead of being taken out of service for a swap.
On a single shift, the picture reverses. If you have or can build a ventilated charging area, lead-acid costs less upfront and the charging routine fits the working day. The spare set and the extra handling disappear as problems because they were never needed.
Two factors cut across both: ambient temperature and end-of-life handling. Usable capacity falls in low temperature for either chemistry, so a cold store needs the pack sized above the nameplate figure. And recycling routes differ by market, which is worth checking locally rather than assumed.
Confirm before acting
- Shifts per day and hours per shift
- Whether a ventilated charging area exists or can be built
- Whether you can opportunity-charge during breaks
- Ambient temperature range of the working area
- Stated cycle life and warranty terms in writing, per route
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