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G-243

Gill G-243 Lead-Acid Aircraft Battery, 24 V, 10 Ah

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Gill G-243 is a 24 V, 10 Ah dry-charged lead-acid aircraft battery from Teledyne Battery Products, 11.8 kg filled, FAA-PMA, certification list Cessna 152 and 182.

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one-hour rate (C1)
10 Ah
30-minute emergency rate
17 A
60 s at −18 °C (0 °F)
150 A
filled, 26 lb
11.8 kg
All specifications →
SKU
G-243
Cert
FAA
Condition
New
In stockShips today (order before 14:00 CET)
19.913,82 CZK incl. VAT
16.457,70 Kč excl. VAT
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Description Specs & Parameters Downloads FAQ Shipping & Returns Reviews (2)

Gill G-243 24 V Dry-Charged Aircraft Battery

Gill G-243 from Teledyne Battery Products is a 24 V, 12-cell dry-charged lead-acid battery for aircraft, rated 10 Ah at the one-hour rate and 17 A for 30 minutes. It weighs 11.8 kg filled and is activated with electrolyte and an initial charge before service. Teledyne states FAA-PMA and names the Cessna 152 and 182 in its certification list.

  • 10 Ah at the one-hour rate (C1) and 17 A for 30 minutes (C/2), nominal 24 V from 12 cells.

  • 150 A for 60 seconds at −18 °C (0 °F) down to 1.2 V per cell, as listed in Teledyne service manual Q01-1120.

  • 11.8 kg (26 lb) filled; case 181.6 × 180.6 mm, plan size up to 219.7 × 185.7 mm with the lid flanges.

  • Dry-charged: activated before service with about 3 quarts of 1.285 SG electrolyte and an initial charge.

  • FAA-PMA per the Teledyne data sheet; the certification list names the Cessna 152 and 182.

  • Capacity check inspection every 12 months or 800 hours; the manual lists PS12-11M as the former P/N.

Case, lid and terminals

Case, lid and terminals

The case label reads G-243, 24V 10Ah, 12 CELLS and FAA-PMA.

Teledyne's drawing gives the case as 7.150 × 7.112 in (181.6 × 180.6 mm). Across the lid flanges the plan size reaches 8.650 × 7.312 in (219.7 × 185.7 mm).

Activation and first charge

Teledyne service manual Q01-1120 describes the activation of Gill dry-charged batteries. The vent caps are fitted tightly after filling, and no more than 8 hours may pass between filling and the start of charging. The initial constant current for the G-243 is 3 A, reduced to 1.5 A once the cells start gassing.

After the first hour of charge the level in each cell is checked against the bottom of the split ring. At this stage only electrolyte is added, not water. The electrolyte contains sulfuric acid, so goggles and acid-resistant gloves are required.

Performance data

Teledyne's Appendix A sheet for the G-243 gives, at 1.67 V per cell and 24 °C, 17 A for 30 minutes (8.5 Ah), 10 A for 60 minutes (10 Ah) and 0.8 A at the 20-hour rate (16 Ah). The cold figure is 150 A for 60 seconds at −18 °C to 1.2 V per cell.

Teledyne specifies a capacity check inspection every 12 months or 800 hours.

Approvals and installation

The Teledyne data sheet states FAA-PMA and names the Cessna 152 and 182 in its certification list. FAA-PMA is a US parts approval and does not replace EASA approval.

On an EASA-registered aircraft the battery is replaced according to the approved maintenance data of that aircraft and released to service with a Certificate of Release to Service.

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